Multiple Choice Questions in Science: November 2013

Wednesday, November 27, 2013

Chapter 10 : MINERAL COAL AND MINERAL OIL

Choose Appropriate Alternative

Which is the primary state in transformation of coal?
```
[A] Lignite [B] Bitumen [C] Anthracite [D] Peat
```

What is the matured form of coal?

[A] Lignite [B] Bitumen [C] Anthracite [D] Peat

Which type of coal does not produce smoke or odour when burnt?
```
[A] Lignite [B] Bitumen [C] Anthracite [D] Peat
```
Which of the following is not obtained as a component during destructive distillation of coal?
```
[A] Coal gas [B] Methane [C] Coal tar [D] Coke
```
Which of the following is used in the production of water gas?
```
[A] Coke [B] Coal tar [C] Coal gas [D] Ammonia
```

Water gas is a mixture of...

[A] carbon dioxide and hydrogen  [B] carbon and hydrogen 
[C] carbon monoxide and hydrogen [D] ammonia and hydrogen

Which gas is filled at high pressure in cylinders of house-hold cooking gas?
```
[A] Methane [B] Ethane [C] Propane [D] Butane
```
Which component obtained during refining of petroleum is used as a solvent in petrochemicals?
```
[A] Naphtha [B] Kerosene [C] Tar [D] Petroleum coke
```
Which of the following is used in petromax to obtain light?
```
[A] Petrol [B] Diesel [C] Kerosene [D] Butane
```
Which is the chief hydrocarbon in natural gas?
```
[A] Methane [B] Ethane [C] Propane [D] Butane
```
What is the molecular formula of ethene?
```
[A] C₂H₆ [B] C₂H₂ [C] C₂H₄ [D] CH₄
```

What is the general formula of alkyne series?

[A] C_nH_2n [B] C_nH_2n-2 [C] C_nH_2n+2 [D] C_nH_n

What is the commercial name of ethyne?

[A] Acrylic acid [B] Acetylene [C] Ethane [D] Oxyacetylene

C₃H₈ is the molecular formula of...

[A] Methane [B] Ethane [C] Propane [D] Butane

What is the angle between any two bonds in methane molecule?
```
[A] 105° 54' [B] 109° 28' [C] 119° 28' [D] 190° 28'
```

Which of the following is called a fossil fuel?

[A] Mineral coal [B] Wood [C] Cowdung cake [D] All the given

From where is mineral coal obtained in Gujarat?

[A] Ankleshwar [B] Khambhat [C] Thangadh [D] Kalol

What is used as fuel in jet-planes?

[A] Gasoline [B] Diesel oil [C] Kerosene [D] All the given

Peat coal contains about _____ % carbon.
```
[A] 28 [B] 30 [C] 78 [D] 86
```
The calorific value of lignite is about _____ kJ/g.
```
[A] 22 [B] 27 [C] 30 [D] 40
```
How much carbon does bituminous coal contain?
```
[A] 28-30% [B] 30-45% [C] 56-68% [D] 78-86%
```

What is the heat energy of bituminous coal?

[A] 27 kJ/g [B] 30 kJ/g [C] 33 kJ/g [D] 35 kJ/g

What is the carbon content of anthracite coal?
```
[A] 28-30% [B] 30-49% [C] 78-86% [D] 94-98%
```

What is the calorific value of anthracite coal?

[A] 27 kJ/g [B] 30 kJ/g [C] 33 kJ/g [D] 35 kJ/g

Coke contains about ______ % carbon.
```
[A] 50 [B] 70 [C] 80 [D] 96
```
The chief component of coal gas is...
```
[A] CO [B] CO₂ [C] H₂ [D] CH₄
```

The first petroleum well was dug at...

[A] California [B] Alaska [C] Kuwait [D] Titusville

The first petroleum well was dug at _____ in India in 1867.
```
[A] Makum [B] Ranchi [C] Ankleshwar [D] Allepy
```
The general formula of paraffin (aliphatic) hydrocarbons is...
```
[A] C_nH_2n-2 [B] C_nH_2n+2 [C] C_nH_2n[D] C_nH_n
```
The general formula of naphthalene hydrocarbons is...
```
[A] C_nH_2n-2 [B] C_nH_2n+2 [C] C_nH_2n[D] C_nH_2n-6
```
>The general formula of aromatic hydrocarbons is...
```
[A] C_nH_2n-2 [B] C_nH_2n+2 [C] C_nH_2n[D] C_nH_2n-6
```

The boiling range of gasoline is...

[A] 293-343 K [B] 343-473 K [C] 383-523 K [D] 473-523 K

The hydrocarbons present in gasoline are from...

[A] C₁ to C₄ [B] C₅ to C₁₂ [C] C₁₂ to C₁₅ [D] C₁₅ to C₂₀

The boiling range of kerosene is...

[A] 293-343 K [B] 343-473 K [C] 473-548 K [D] above 523 K

The hydrocarbons present in kerosene are from...

[A] C₁ to C₄ [B] C₅ to C₈ [C] C₉ to C₁₂ [D] C₁₂ to C₁₅

The hydrocarbons present in diesel are from...

[A] C₅ to C₈ [B] C₉ to C₁₂ [C] C₁₂ to C₁₅ [D] C₁₅ to C₁₈

The boiling range of diesel oil is...

[A] 533-613 K [B] 473-548 K [C] 393-473 K [D] 303-393 K

Which of the following fractions is deposited on the inner side of the furnace during refining of petroleum?
```
[A] Naphtha [B] Lubricating oil [C] Petroleum coke [D] Tar
```

The octane number is the measure of _____ of gasoline.

[A] calorific value [B] impurity [C] knocking property [D] burning pressure

The octane number of n-heptane is...
```
[A] 0 [B] 50 [C] 90 [D] 100
```
The octane number of iso-octane is...
```
[A] 0 [B] 50 [C] 90 [D] 100
```
The efficiency of a sample of fuel is similar to that of a mixture containing 25% n-heptane and remaining iso-octane. Then its octane number is...
```
[A] 75 [B] 25 [C] 125 [D] 1/25
```

To increase the octane number of gasoline ______ is added to it.

[A] kerosene [B] tetraethyl lead [C] lead oxide [D] petroleum coke

During aromatization of n-hexane to benzene ______ is produced as an intermediate.
```
[A] iso-hexane [B] iso-octane [C] cyclohexane [D] phenol
```

Cracking of n-octane gives n-butane and ______.

[A] iso-butane [B] but-1-ene [C] but-2-ene [D] iso-pentane

To detect gas leakage from LPG cylinder, a foul smelling substance _____ is added to LPG.
```
[A] tetraethyl lead [B] H₂S [C] methyl mercaptan [D] methyl chloride
```
Carbon belongs to the _____ group in periodic table.
```
[A] 12th [B] 13th [C] 14th [D] 15th
```

n-Butane and 2-methyl propane are...

[A] allotropes [B] isotopes [C] isotones [D] isomers

The bonds formed by sharing of electrons with two unpaired electrons with opposite spins are called...
```
[A] α-bonds [B] β-bonds [C] σ-bonds [D] π-bonds
```
In homologous series, each member of the series differs from its adjacent member by...
```
[A] CH [B] CH₂ [C] C₂H [D] CH₃
```
The difference between molecular masses of any two successive members of a homologous series is...
```
[A] 12 u [B]  14 u [C] 16 u [D] 20 u
```

Which of the following are unsaturated hydrocarbons?

[A] Alkanes [B] Alkenes [C] Alkynes [D] Both alkenes and alkynes

Sodalime is a mixture of...

[A] CaO and NaOH [B] Ca(OH)₂ and NaOH [C] CaO and NaCl [D] Ca(OH)₂ and NaCl

In sodalime the proportion of CaO and NaOH is in the ratio...
```
[A] 3:1 [B] 1:3 [C] 1:2 [D] 2:1
```
Cracking of hexane gives _____ as one of the products.
```
[A] Ethene [B] Ethane [C] Butene [D] Propene
```

Dehydration of ethanol produces...

[A] Ethane [B] Ethene [C] Ethyne [D] Methanol

In addition reaction of ethyne with dihydrogen gas to obtain ethane _____ is used as catalyst.
```
[A] V₂O₅ [B] KMnO₄ [C] Raney nickel [D] HCl
```
In oxyacetylene flame for welding of metals, _____ is used.
```
[A] ethyne [B] ethene [C] ethane [D] ethyl chloride
```
Which of the following types of coal is used to obtain coal gas?
```
[A] Peat [B] Lignite [C] Bitumen [D] Anthracite
```
Which brown coloured hard substance is left as residue during destructive distillation of mineral coal?
```
[A] Coke [B] Coal tar [C] Charcoal [D] Asphalt
```

Which of the following is used in water-proofing?

[A] Asphalt [B] Diesel [C] Lubricating oil [D] Naphtha

Which of the following is used for preparing electrodes (for batteries) and carbon tiles?
```
[A] Petroleum coke [B] Tar [C] Naphtha [D] Asphalt
```
How much gasoline is obtained generally from mineral oil?
```
[A] 50% [B] 33% [C] 27% [D] 18%
```

The chief constituent of LPG is...

[A] methane [B] ethane [C] propane [D] butane

The chief constituent of CNG is...

[A] methane [B] ethane [C] propane [D] butane

What is the general formula of alkane series?

[A] C_nH_2n [B] C_nH_2n-2 [C] C_nH_2n+2 [D] C_nH_n

What is the general formula of alkene series?

[A] C_nH_2n [B] C_nH_2n-2 [C] C_nH_2n+2 [D] C_nH_n

Which type of hybridization is found in a methane molecule?
```
[A] SP¹ [B] SP² [C] SP³ [D] S²P
```

What is the main component of gobar gas?

[A] methane [B] ethane [C] propane [D] butane

Which of the following is used in the production of water gas?
```
[A] coke [B] coal tar [C] coal gas [D] ammonia
```
How many covalent bonds are there between carbon atoms in the molecule of acetylene?
```
[A] 1 [B] 2 [C] 3 [D] 4
```
Which of the following is obtained by cooling the lubricating oil fraction obtained during refining of petroleum?
```
[A] Naphtha [B] Coke [C] Wax [D] Tar
```
What is the atomic number of carbon?
```
[A] 4 [B] 6 [C] 8 [D] 14
```

The shape of the methane molecule is...

[A] hexagonal [B] tetrahedral [C] octahedral [D] rectangular

Which of the following compounds possesses cyclic structure?
```
[A] Butane [B] Benzene [C] n-Hexane [D] Iso-octane
```

The mineral oil obtained from Pennsylvania of america is of the type containing...

[A] paraffin hydrocarbons [B] naphthalene hydrocarbons
[C] aromatic compounds    [D] asphalt

The pink colour of potassium permanganate disappears when ____ is added to it.
```
[A] methane [B] ethene [C] ethyne [D] ethene or ethyne
```
In _____ reactions, straight chain hydrocarbons are converted to cyclic compounds.
```
[A] isomerization [B] dehydrogenation [C] aromatization [D] cracking
```
```
[A] [B] [C]  [D]
```
```
[A] [B] [C]  [D]
```

ANSWERS

(1) D (2) C (3) C (4) B (5) A (6) C (7) D (8) A (9) C (10) A (11) C (12) B (13) B (14) C (15) B (16) A (17) C (18) C (19) A (20) B (21) D (22) B (23) D (24) C (25) C (26) A (27) D (28) A (29) B (30) C (31) D (32) B (33) B (34) C (35) D (36) D (37) A (38) C (39) C (40) A (41) D (42) A (43) B (44) C (45) B (46) C (47) C (48) D (49) C (50) B (51) B (52) D (53) A (54) B (55) A (56) B (57) C (58) A (59) B (60) A (61) A (62) A (63) D (64) D (65) A (66) C (67) A (68) C (69) A (70) A (71) C (72) C (73) B (74) B (75) B (76) A (77) D (78) C (79) (80)

Sunday, November 24, 2013

Chapter 11 : ORGANIC COMPOUNDS

Choose Appropriate Alternative

The compound possessing (-CHO) functional group is called...
```
[A] an amide [B]  an aldehyde [C]  a ketone [D] an alcohol
```
Which functional group is possessed by carboxylic acid compounds?
```
[A] >C=O [B] -COOH [C] -CHO [D] -OH
```
With which group is suffix 'ol' attached in the nomenclature of organic compounds?
```
[A] -CHO [B] >CO [C] -OH [D] -X
```
Which functional group is there in methyl ethanoate?
```
[A] Alcohol [B] Halide [C] Ketone [D] Ester
```
Which of the following compounds is obtained from molasses by fermentation?
```
[A] Chloromethane [B] Ethanol [C] Acetone [D] Methanal
```

The solution of ethanol containing 5% water is called...

[A] beer [B] varnish [C] rectified spirit [D] denatured alcohol

What is the molecular formula of formalin?

[A] HCOOH [B] HCOOCH₃ [C] HCHO [D] HCOOC₂H₅

Which substance is obtained by reduction of methanal?

[A] Ethanol [B] CO₂ and O₂ [C] Methanol [D] Methanoic acid

Which of the following is prepared by Fischer-Tropsch method?
```
[A] Acetic acid [B] Acetaldehyde [C] Acetone [D] Ethanol
```

Which of the following is a use of propanone?

[A] As nail polish remover [B] As an antiseptic 
[C] As an antibiotic     [D] As a preservative

The reaction between an alcohol and a carboxylic acid in presence of concentrated sulphuric acid is called...
```
[A] hydrolysis [B] β-elimination [C] saponification [D] esterification
```
A compound with this functional group has minimum three carbon atoms.
```
[A] -COOH [B] -CHO [C] >CO [D] -CONH₂
```

Which of the following is the monomer of polythene?

[A] CH₃-CH₃ [B] CH₂=CH₂ [C] CH₃-CH=CH₂ [D] HC≡CH

Which of the following is a use of acetic acid?

[A] Preparation of vinegar [B] In white lead [C] As a reagent [D] All three

Which of the following is used in conveyer belts?
```
[A] Polythene [B] PVC [C] TEFLON [D] Neoprene
```

What does 'P' stand for in IUPAC?

[A] Pure [B] Physical [C] Primary [D] Proposed

What is the IUPAC name of methyl acetate?

[A] Methanal [B] Methyl ethanoate [C] Ethyl methanoate [D] Ethanoic acid

What is the formula of methyl acetate (methyl ethanoate)?

[A] CH₃COOC₂H₅ [B] CH₃COOCH₃[C] C₂H₅COOCH₃ [D] CH₃COCH₃

The general formula of alcohol series is...

[A] C_nH_2nOH [B] C_nH_nOH [C] C_nH_2n+1OH [D] C_nH_2n+2OH

Which of the following is the true formula of an alcohol with 6 carbon atoms?
```
[A] C₆H₁₁OH [B] C₆H₁₂OH [C] C₆H₁₃OH [D] C₆H₁₄OH
```

Biological catalysts are called...

[A] hormones [B] reagents [C] coagulants [D] enzymes

______ converts ______ of milk into ______.

[A] Lactase, lactic acid, lactose [B] Lactose, lactic acid, lactase 
[C] Lactic acid, lactose, lactase [D] Lactase, lactose, lactic acid

Fermentation of grape juice to ethanol is aided by the enzymes present in...
```
[A] grape juice [B] yeast [C] lactobacillus [D] atmosphere
```
Sugar in molasses is converted to glucose (fructose) in presence of enzyme...
```
[A] invertase [B] zymase [C] lactase [D] amylase
```
Fermentation of glucose (fructose) to alcohol takes place in presence of...
```
[A] invertase [B] zymase [C] lactase [D] amylase
```

Absolute alcohol can be obtained by...

[A] fermentation [B] evaporation [C] distillation [D] membrane technology

Hydration of ethene gives...

[A] ethane [B] ethanol [C] ethanoic acid [D] polythene

The boiling point of pure ethanol is...
```
[A] 311 K [B] 331 K [C] 351 K [D] 371 K
```

When ethanol reacts with sodium metal, _____ gas is produced.

[A] Dihydrogen [B] Carbon dioxide [C] Carbon monoxide [D] Dioxygen

Oxidation of ethanol in presence of alkaline KMNO₄ yields...

[A] ethanal [B] ethanoic acid [C] propanol [D] ethyl ethanoate

Which toxic substance is added to ethanol to prevent its consumption?
```
[A] Methanol [B] Acetic acid [C] Methanal [D] Mercaptan
```
Consumption of ethanol in excess causes a disease called ______ of liver.
```
[A] fibrosis [B] lymphosys [C] cirrhosis [D] carcinoma
```
In the liver of alcohol-addict the amount of _____ enzyme increases greatly.
```
[A] P-540 [B] P-405 [C] P-504 [D] P-450
```

In which of the following compounds is carbonyl group present?

[A] Aldehydes [B] Ketones [C] Esters [D] Both aldehydes and ketones

Oxidation of methanol in presence of catalyst______ gives methanal.
```
[A] Ag₂O [B] Pt [C] Pd [D] Ni
```
The boiling point of methanal (formaldehyde) is...
```
[A] 293 K [B] 351 K [C] 253 K [D] 311 K
```

Which of the following can be used as a confirmatory test for aldehydes?

[A] Silver-mirror test [B] Fehling's test [C] Benedict's test [D] All three

Reduction of methanal to methanol is carried out in presence of the catalyst...
```
[A] Pt [B] Pd [C] Ni [D] NaBH₄
```
Which of the following is a monomer of bakelite and melamine?
```
[A] Isoprene [B] Methanal [C] Ethanal [D] Propanone
```
Which catalyst is used in the preparation of acetone by Fischer-Tropsch process?
```
[A] Ag₂O [B] Pd [C] CoO [D] Alkaline KMNO₄
```
The boiling point of propanone is...
```
[A] 239 K [B] 309 K [C] 351 K [D] 329 K
```

NaBH₄ (or LiAlH₄) reduces propanone to...

[A] propan-1-ol [B] propan-2-ol [C] propanal [D] propanoic acid

Which of the following is the formula of propanone cyanohydrin?
Which catalyst is used in the preparation of acetic acid from methanol?
```
[A] CoO [B] Ag₂O [C] V₂O₅ [D] I₂-Rh
```
The boiling point of ethanoic acid is...
```
[A] 293 K [B] 329 K [C] 351 K [D] 391 K
```

The monomer of natural rubber is...

[A] chloroprene [B] isoprene [C] neoprene [D] 1-chloroethene

Flooring tiles are prepared from...

[A] polythene [B] TEFLON [C] polyvinyl chloride [D] polybutadiene

2-chloro-1,3-diene is the monomer of...

[A] PVC [B] TEFLON [C] neoprene [D] natural rubber

The elastic character of natural rubber is maintained between...
```
[A] 283-333 K [B] 293-353 K [C] 273-353 K [D] 313-343 K
```
To increase the rate of reaction during vulcanization of rubber, ______ is added.
```
[A] lead [B] sulphur [C] ZnO [D] PbCO₃
```

During saponification reaction, what is obtained as by-product?

[A] Glycerol [B] Ethanol [C] Sodium Ethoxide [D] Sodium carbonate

Which of the following is not a functional group containing oxygen?
```
[A] Alcohol [B] Aldehyde [C] Ketone [D] Halide
```

The fermentation process to manufacture ethanol is...

[A] an aerobic process       [B] an anaerobic process
[C] a polymerization process [D] a catalytic aerobic process

The IUPAC name of acetic acid is...

[A] methanoic acid [B] ethanoic acid [C] propanoic acid [D] vinegar

Ethylethanoate is...

[A] an alcohol [B] an acid [C] an ester [D] a ketone

In aldehydes, the carbonyl group is attached to...

[A] one hydrogen and one oxygen      [B] two alkyl groups 
[C] one hydrogen and one alkyl group [D] one oxygen and one alkyl group

What is vinegar?

[A] Methanol [B] Ethanol [C] Formic acid [D] Acetic acid

An organic acid + an alcohol ----> ______ + water

[A] An aldehyde [B] a ketone [C] an ester [D] a carboxylic acid

The enzyme which converts milk into curd is...

[A] lactase [B] invertase [C] zymase [D] cellulase

Which of the following is not an oxidizing agent?

[A] NaBH₄ [B] KMNO₄ [C] Cr₂O₃ [D] Fehling's solution

Which of the following is a condensation polymer?
```
[A] PVC [B] Nylon [C] Natural rubber [D] TEFLON
```
Which gas is produced during fermentation?
```
[A] CO [B] CO₂ [C] Cl₂ [D] O₂
```
Which of the following compounds has more reactivity?
```
[A] Methane [B] Ethane [C] Ethene [D] Ethyne
```
Which functional group do carboxylic acid compounds have?
```
[A] >C=O [B] -COOH [C] -CHO [D] -OH
```
What is the name of the aldehyde corresponding to butane?
```
[A] Butyric acid [B] Butanone [C] Butanal [D] Butanol
```
The names of the compounds with functional group _____ end with suffix 'ol'.
```
[A] -CHO [B] >C=O [C] -NH₂ [D] -OH
```

What is the molecular formula of acetone?

[A] CH₃OH [B] CH₃COCH₃ [C] CH₃CH₂CHO [D] CH₃CH₂COOH

What is the molecular formula of formalin?

[A] HCOOH [B] HCOOCH₃ [C] HCHO [D] HCOOC₂H₅

Which acid is present in curd?

[A] Lactic acid [B] Formic acid [C] Acetic acid [D] Citric acid

A person loses his eye-sight if he consumes ethanol containing toxic substance______.
```
[A] Formalin [B] Vinegar [C] Propanol [D] Methanol
```

What is obtained by reduction of methanal?

[A] Methanol [B] Ethanol [C] Ethanoic acid [D] Ethene

Which of the following is used to prepare milk bags?
```
[A] Polythene [B] PVC [C] Nylon [D] TEFLON
```
Which functional group is attached with hydrocarbon part in soap?
```
[A] -SO₃K [B] SO₃Na [C] -COONa [D] -COOH
```
Which of the following is used to prepare water pipes?
```
[A] Polythene [B] PVC [C] Nylon [D] TEFLON
```
Which chemical is used to preserve the residues of dead animals?
```
[A] Methanol [B] Ethanol [C] Formalin [D] Acetic acid
```

Water gas is a mixture of ...

[A] CO and N₂ [B] CO and O₂ [C] CO₂ and H₂ [D] CO and H₂

Which functional group is attached with hydrocarbon part in detergent?
```
[A] -SO₃K [B] SO₃Na [C] -COONa [D] -COOH
```
Which of the following ions is present in hard water?
```
[A] Cu²⁺ [B] Pb²⁺ [C] Mg²⁺ [D] Al³⁺ 
```

Which type of polymer is polystyrene?

[A] Addition [B] Condensation [C] Bipolymer [D] Cyclic polymer

Which of the following is used as a bio-polymer for taking stitches after surgery?
```
[A] Dextran [B] Nylon [C] Polyester [D] Acrylic fibre
```

Polyamide is also known as...

[A] Polyester [B] Nylon [C] Acrylic fibre [D] TEFLON

Who invented vulcanized rubber?

[A] Fischer-Tropsch [B] Maxwell [C] Haber [D] Charles Goodyear

_____ is obtained as a gas at room temperature.

[A] Ethanol [B] Ethanoic acid [C] Methanal [D] Propanone

How much sulphur is added in rubber to obtain vulcanised rubber for making tyres?
```
[A] 5% [B] 10% [C] 15% [D] 20%
```
```
[A][B][C][D]
```

ANSWERS

(1) B (2) B (3) C (4) D (5) B (6) C (7) C (8) C (9) C (10) A (11) D (12) C (13) B (14) D (15) D (16) A (17) B (18) B (19) C (20) C (21) D (22) D (23) B (24) A (25) B (26) D (27) B (28) C (29) A (30) B (31) A (32) C (33) D (34) D (35) A (36) C (37) D (38) B (39) B (40) C (41) D (42) B (43) A (44) D (45) D (46) B (47) C (48) C (49) A (50) C (51) A (52) D (53) B (54) B (55) C (56) C (57) D (58) C (59) A (60) A (61) B (62) B (63) D (64) B (65) C (66) D (67) B (68) C (69) A (70) D (71) A (72) A (73) C (74) B (75) C (76) D (77) B (78) C (79) A (80) A (81) B (82) D (83) C (84) A (85) (86) (87) (88) (89) (90)

Monday, November 18, 2013

Chapter 12 : NUTRITION AND RESPIRATION

Choose Appropriate Alternative

Which of the following types of organism has the longest small intestine?
```
[A] Carnivores [B] Omnivores [C] Herbivores [D] Autotrophs
```

The process of obtaining food by amoeba is known as...

[A] Dialysis [B] Cytokinesis [C] Phagocytosis [D] Amoebiosis

Which organism possesses parasitic mode of nutrition?

[A] Penicillium [B] Plasmodium [C] Paramoecium [D] Euglena

Which one of the following organisms has saprophytic mode of nutrition?
```
[A] Mushroom [B] Malarial parasite [C] Leech [D] Lice
```
The length of small intestine in an adult human being is about...
```
[A] 4.5 m [B] 1.5 m [C] 3.5 m [D] 6.5 m
```
Where does the process of digestion of food start in human being?
```
[A] Stomach [B] Food canal [C] Mouth [D] Small intestine
```

In which organ is the process of digestion in humans completed?

[A] Oesophagus [B] Small intestine [C] Stomach [D] Large intestine

By which of the following is bile secreted in human digestive system?
```
[A] Pancreas [B] Liver [C] Kidney [D] Stomach
```

The autotrophic nutrition requires...

[A] carbon dioxide and water [B] chlorophyll [C] sunlight [D] all of the above

In human digestive system, which organs secrete enzyme pepsin and trypsin respectively?

[A] Pancreas and liver        [B] Stomach and salivary gland 
[C] Pancreas and gall bladder [D] Stomach and pancreas

Which of the following organisms can live without oxygen?
```
[A] Amoeba [B] Sheep [C] Yeast [D] Leech
```
During respiration, the exchange of gases takes place in...
```
[A] bronchi [B] alveoli [C] bronchioles [D] trachea
```
In which of the following organisms, the gaseous exchange during respiration does not take place through cell membrane or skin?
```
[A] Ray fish [B] Leech [C] Earthworm [D] Amoeba
```

Autotrophic organisms obtain nutrition by the process of...

[A] photosynthesis [B] nitrification [C] respiration [D] absorption

During cellular respiration...

[A] food is digested [B] food is absorbed [C] energy is released [D] energy is absorbed

Autotrophic means...

[A] self-control [B] self-nutrition [C] self-protection [D] nonliving

What is used to confirm the presence of starch?

[A] Alcohol [B] Sulphuric acid [C] Iodine [D] Chlorophyll

The opening and closing of stomata are controlled by...
```
[A] chlorophyll [B] guard cells [C] sunlight [D] leaf
```
What is used for removing chlorophyll from a green leaf?
```
[A] Alcohol [B] Sulphuric acid [C] Sunlight [D] Iodine
```
Organisms obtaining nutrition from dead and decaying matter are called...
```
[A] phagocytes [B] parasites [C] autotrophs [D] saprophytes
```

______ obtains parasitic nutrition.

[A] Locust [B] Cuscuta [C] Mushroom [D] Earthworm

The mode of nutrition in higher animals is...

[A] parasitic [B] saprophytic [C] autotrophic [D] holozoic

Which of the following is an omnivore?
```
[A] Goat [B] Tiger [C] Rat [D] Lion
```

The mode of nutrition in amoeba is...

[A] parasitic [B] saprophytic [C] holozoic [D] autotrophic

Which enzyme is secreted by salivary glands?

[A] Amylase [B] Pepsin [C] Invertase [D] Trypsin

What does enzyme amylase do?

[A] Converts glucose to starch [B] Converts starch to maltose
[C] Converts starch to protein [D] Converts proteins to amino acids

Which of the following is not a component of gastric juice?

[A] Hydrochloric acid [B] Pepsinogen  [C] Nitric acid [D] Mucus

Enzyme pepsin digests...

[A] starch [B] cellulose [C] lipids [D] proteins

The small intestine receives secretions from...

[A] liver [B] pancreas [C] both liver and pancreas [D] gall bladder

Bile secreted by liver is...

[A] alkaline [B] acidic [C] neutral [D] both alkaline and acidic

Pancreatic juice contains...

[A] amylase [B] trypsin [C] lipase [D] all three

Which enzyme helps in digestion of fat?

[A] Amylase [B] Trypsin [C] Lipase [D] Both amylase and trypsin

In holozoic nutrition ______ is the last step involved.

[A] digestion [B] absorption [C] assimilation [D] ingestion

The process of releasing energy from food is called...

[A] digestion [B] nutrition [C] assimilation [D] respiration

The energy released during respiration is stored in...
```
[A] ATP [B] mitochondria [C] lungs [D] cell nucleus
```
During anaerobic respiration, glucose molecules are broken down to _____ in animal muscle cells.
```
[A] ethanol [B] lactic acid [C] ethylene [D] glycogen
```
In plants, the end products of anaerobic respiration are CO₂ and...
```
[A] ethanol [B] lactic acid [C] water [D] starch
```

Aerobic respiration takes place in...

[A] cytoplasm [B] mitochondria [C] both cytoplasm and mitochondria [D] lungs

Anaerobic respiration takes place in...

[A] cytoplasm [B] mitochondria [C] both cytoplasm and mitochondria [D] lungs

Which of the following parts of plants perform respiration?
```
[A] Roots [B] Stem [C] Leaves [D] All three
```

In woody plants, respiratory gaseous exchange in stems takes place through...

[A] stomata [B] lenticels [C] both stomata and lenticels [D] specific tissues

Respiration in amoeba occurs through...

[A] gills [B] pseudopodia [C] cell membrane [D] vacuole

Earthworm respires through...

[A] trachea [B] lungs [C] skin [D] cilia

Which of the following organisms does not use gills for respiration?
```
[A] Fish [B] Euglena [C] Prawn [D] Crab
```

______ use gills for respiration.

[A] Paramoecium [B] Earthworm [C] Euglena [D] Sepia

______ prevents food from entering trachea.

[A] Glottis [B] Epiglottis [C] Mucus [D] Pharynx

______ plays an important role in breathing.

[A] Diaphragm [B] Alveoli [C] Trachea [D] Glottis

Which process is involved in respiratory gaseous exchange?
```
[A] Swallowing [B] Diffusion [C] Oxidation [D] Glycolysis
```

The living organisms obtain nutrition from...

[A] energy [B] food [C] environment [D] sunlight

During which process energy is released from the absorbed food?

[A] Respiration [B] Nutrition [C] Photosynthesis [D] Chemosynthesis

Which of the following processes is responsible for the change in the size of the organism?
```
[A] Reproduction [B] Excretion [C] Movement [D] Growth
```
The organisms which can synthesize their own food from natural inorganic substances are called...
```
[A] autotrophs [B] heterotrophs [C] saprophytes [D] herbivores
```

Autotrophic organisms possess ______ pigment.

[A] haemoglobin [B] melanin [C] chlorophyll [D] phenolphthalin

Which inorganic substances are used by autotrophs to synthesize food in presence of sunlight and chlorophyll?
```
[A] CO₂ and O₂ [B] CO₂ and NO₂[C] CO₂ and H₂O [D] CO₂ and H₂
```

Apart from green plants photosynthesis is also seen in...

[A] euglena [B] volvox [C] mushroom [D] both euglena and volvox

We derive energy from the food which is stored in the body as...
```
[A] starch [B] glucose [C] glycogen [D] lactose
```
In which of the following parts of the plants is photosynthesis seen to occur mostly?
```
[A] Leaves [B] Roots [C] Stem [D] Flowers
```

The products of photosynthesis are...

[A] CO₂ and O₂[B] CO₂ and H₂O [C] Glucose and O₂ [D] CO₂ and glucose

What type of energy conversion takes place during photosynthesis?

[A] Chemical energy to light energy [B] Light energy to chemical energy
[C] Light energy to heat energy    [D] Light energy to atomic energy

During photosynthesis carbohydrates are formed by _______ of CO₂.
```
[A] oxidation [B] reduction [C] carboxylation [D] hydrolysis
```

The opening and closing of stomata is controlled by...

[A] epidermal cells [B] epithelial cells [C] lenticels [D] guard cells

The mode of nutrition in which one organism obtains nutrition from other organisms is known as...
```
[A] autotrophic nutrition [B] heterothrophic nutrition 
[C] saprophytic nutrition [D] symbiosis
```
When one living organism depends on another living organism for nutrition, the mode of nutrition is called...
```
[A] parasitic nutrition [B] saprophytic nutrition [C] symbiosis [D] holozoic nutrition
```

Which of the following is the correct order for process of nutrition?

[A] Digestion, absorption, assimilation, egestion 
[B] Absorption, assimilation, egestion, ingestion 
[C] Ingestion, digestion, absorption, assimilation
[D] Digestion, absorption, ingestion, egestion

Amoeba uses ______ for ingestion of food.

[A] tantacles [B] pseudopodia [C] cilia [D] oral opening

In amoeba, the absorption of digested food takes place in...

[A] cytoplasm [B] cell membrane [C] food vacuole [D] nucleus

Which of the following is the correct order of human digestive organs?

[A] Mouth, oesophagus, stomach, small intestine, large intestine 
[B] Stomach, large intestine, small intestine, oesophagus, mouth
[C] Mouth, stomach, oesophagus, large intestine, small intestine
[D] Mouth, small intestine, stomach, large intestine, oesophagus

In which organ does the first digestion of starch occur in humans?
```
[A] Stomach [B] Small intestine [C] Large intestine [D] Mouth
```
Approximately for how much time does food remain in stomach?
```
[A] 30 minutes [B] 3 hours [C] 6 hours [D] 8 hours
```

What is the nature of gastric juice?

[A] Acidic [B] Alkaline [C] Neutral [D] Basic

In humans, the process of digestion of food ends in...

[A] stomach [B] small intestine [C] large intestine [D] liver

Fats are broken into small globules by...

[A] bile salt [B] hormones [C] pepsin [D] amylase

Which of the following converts starch to glucose, proteins to amino acids and fats to glycerol?
```
[A] Gastric juice [B] Bile salts [C] Intestinal juice [D] Pepsinogen
```

Where are the nutrients of the digested food absorbed?

[A] In small intestine [B] In stomach [C] In large intestine [D] In oesophagus

Which type of reaction is respiration?

[A] Oxidation [B] Reduction [C] Hydrolysis [D] Pyrolysis

During glycolysis, glucose is converted to...

[A] starch [B] cellulose [C] pyruvic acid [D] CO₂

How many ATP molecules are produced after complete oxidation of a glucose molecule?
```
[A] 2 [B] 8 [C] 18 [D] 38
```
How many ATP molecules are produced from one molecule of glucose during anaerobic respiration?
```
[A] 2 [B] 8 [C] 18 [D] 38
```

Which of the following functions is carried out by stomata?

[A] Photosynthesis [B] Respiration [C] Exchange of gases [D] Absorption of water

The first and the last organs of human respiratory system are...

[A] Nostrils, lungs [B] Nasal cavity, lungs [C] Buccal cavity, trachea [D] Pharynx, trachea

Which of the following shows anaerobic phase of aerobic respiration?

[A] Gluconeogenesis [B] Respiration [C] Glycolysis [D] Both respiration and glycolysis

```
[A][B][C][D]
```

ANSWERS

(1) C (2) C (3) B (4) A (5) D (6) C (7) B (8) B (9) D (10) D (11) C (12) B (13) A (14) A (15) C (16) B (17) C (18) B (19) A (20) D (21) B (22) D (23) C (24) C (25) A (26) B (27) C (28) D (29) C (30) A (31) D (32) C (33) C (34) D (35) A (36) B (37) A (38) C (39) A (40) D (41) B (42) C (43) C (44) B (45) D (46) B (47) A (48) B (49) B (50) A (51) D (52) A (53) C (54) C (55) D (56) C (57) A (58) C (59) B (60) B (61) D (62) B (63) A (64) C (65) B (66) A (67) A (68) D (69) B (70) A (71) C (72) A (73) C (74) A (75) A (76) C (77) D (78) A (79) C (80) A (81) C (82) (83) (84) (85) (86) (87) (88) (89) (90)

Thursday, November 14, 2013

Chapter 13 : TRANSPORTATION, CIRCULATION, EXCRETION IN ORGANISMS

Choose Appropriate Alternative

Which of the following structures is responsible for transportation of water in higher plants?
```
[A] Sieve tube [B] Sieve cell [C] Vessel [D] Companion cell
```

The kidneys in human being are a part of the system for...

[A] respiration [B] transportation [C] excretion [D] nutrition

How many chambers are present in human heart?
```
[A] 2 [B] 3 [C] 4 [D] 6
```

Where is tricuspid valve found in human heart?

[A] Between two atria                   [B] Between two ventricles 
[C] Between right atrium and right ventricle [D] Between left atrium and left ventricle

What is the excretory unit in human being?

[A] Bowman's capsule [B] Nephron [C] Urinary bladder [D] Kidney

In which part of the body does blood get purified (becomes oxygenated)?
```
[A] Heart [B] Lungs [C] Atrium [D] Ventricle
```
In plants, food and other substances are transported through...
```
[A] tracheids [B] vessels [C] sieve tubes [D] companion cell
```

By which process is blood filtered out in Bowman's capsule?

[A] Reabsorption [B] Secretion [C] Ultrafiltration [D] None of the three

______ is a structural component of xylem.

[A] Tracheid [B] Companion cell [C] Sieve cell [D] All three

The loss of water in the form of vapours from the aerial parts of a plant is known as...
```
[A] translocation [B] evaporation [C] expiration [D] transpiration
```
Transport of food from leaves to other parts of the plant is called...
```
[A] translocation [B] transpiration [C] ascent [D] translation
```

Sieve tube is a part of...

[A] sieve cells [B] xylem [C] tracheid [D] phloem

Oxygenated blood from lungs enters left atrium through...

[A] vena cava [B] pulmonary artery [C] pulmonary vein [D] aorta

Oxygenated blood from left ventricle is distributed to other parts of the body through...
```
[A] vena cava [B] pulmonary artery [C] pulmonary vein [D] aorta
```
The partition separating all four chambers of heart from one another is called...
```
[A] bicuspid valve [B] tricuspid valve [C] septa [D] vena cava
```

Which of the following is a true statement?

[A] The wall of the vein is thick and elastic. [B] Veins possess valves. 
[C] Arteries carry blood to heart. [D] veins join to form capillaries.

Which of the following is not a part of kidney?
```
[A] Cortex [B] Medulla [C] Urethra [D] Nephron
```
There are about ______ uriniferous tubules in each kidney.
```
[A] 1,000 [B] 10,000 [C] 1,00,000 [D] 10,00,000
```

The process of ultrafiltration takes place in...

[A] Bowman's capsule [B] Henle's loop [C] Bladder [D] Renal pelvis

During photosynthesis plants convert light energy into...

[A] heat energy [B] mechanical energy [C] chemical energy [D] kinetic energy

Which of the following are components of xylem tissue?
1. tracheid
2. companion cell
3. sieve tube
4. vessel
```
[A] (i) and (ii) [B] (ii) and (iii) [C] (i) and (iv) [D] (ii) and (iv)
```

What type of pressure is created in leaf cells due to transpiration?

[A] Capillary force [B] Surface tension [C] Suction force [D] Cellular tension

Which of the following are components of phloem tissue?
1. tracheid
2. sieve cell
3. sieve tube
4. vessel
```
[A] (i) and (ii) [B] (ii) and (iii) [C] (i) and (iv) [D] (ii) and (iv)
```

Translocation takes place in...

[A] upward direction only            [B] downward direction only
[C] both upward and downward directions [D] in all directions

Translocation of substances in a plant requires energy which is obtained from...
```
[A] food [B] NADP [C] hormones [D] ATP
```
When the materials like sucrose are transferred to phloem tissue, the osmotic pressure of the tissue ______ leading to ______ of water into/from it.
```
[A] increases, entry [B] increases, exit [C] decreases, entry [D] decreases, exit
```
The system concerned with the transportation of various substances in animals is called...
```
[A] excretory system [B] control system [C] circulatory system [D] endocrine system
```

Walls of arteries are...

[A] thin and elastic [B] thick and elastic 
[C] thin and nonelastic [D] thick and nonelastic

Which structure carries blood to individual cells of the body?
```
[A] Artery [B] Vein [C] Arteriole [D] Capillary
```
What do the lymph vessels in the villi of small intestine absorb?
```
[A] Carbohydrates [B] Proteins [C] Lipids [D] Vitamins
```

Plants store excretory waste products...

[A] in food vacuoles [B] as resins and gum 
[C] in cellular vacuoles [D] both in cellular vacuoles and as resin and gums

Unicellular organisms use _____ process for excretion.

[A] diffusion [B] osmosis [C] evaporation [D] vomiting

Which is the main excretory organ of human body?

[A] Urinary bladder [B] Ureter [C] Kidney [D] Uriniferous tubule

The tube emerging from each kidney is called...

[A] uriniferous tubule [B] ureter [C] urethra [D] urinary bladder

Urine is stored in...

[A] ureter [B] kidney [C] urinary bladder [D] ureter

Vessel A has valves to prevent backward flow of blood. Vessel B has high blood pressure. If vessel B is a pulmonary vessel then...
```
[A] vessel B is aorta [B] vessel B is pulmonary artery [C] vessel B is vena cava [D] vessel B is pulmonary vein
```
What are the blood capillaries lying in the cup-shaped groove of Bowman's capsule called?
```
[A] Glomerulus [B] Lymphatic vessels [C] Renal ducts [D] Sieve capillaries
```

Renal pelvis opens into...

[A] Bowman's capsule [B] neck [C] ureter [D] Henle's loop

```
[A][B][C][D]
```

ANSWERS

(1) C (2) C (3) C (4) C (5) B (6) B (7) C (8) C (9) A (10) D (11) A (12) D (13) C (14) D (15) C (16) B (17) C (18) D (19) A (20) C (21) C (22) C (23) B (24) C (25) D (26) A (27) C (28) B (29) D (30) C (31) B (32) A (33) C (34) B (35) C (36) D (37) A (38) C (39) (40)

Sunday, November 3, 2013

Chapter 14 : CONTROL AND COORDINATION IN ORGANISMS

CHOOSE APPROPRIATE ALTERNATIVE

What is called the movement of plant toward gravity?

[A] Hydrotropism [B] Geotropism [C] Chemotropism [D] Phototropism

The plant part which exhibits negative geotropism is...
```
[A] root [B] stem [C] branch [D] leaves
```

The growth of a pollen tube towards the ovule is caused by...

[A] phototropism [B] hydrotropism [C] gravitropism [D] chemotropism

Bending of a shoot of a plant in response to light is known as...
```
[A] geotropism [B] phototropism [C] thigmotropism [D] photonasty
```
The stimulus in the process of thigmotropism is
```
[A] touch [B] gravity [C] light [D] chemical
```
Which of the following helps in maintaining posture and balance of human body?
```
[A] Cerebellum [B] Cerebrum [C] Medulla oblongata [D] Pons
```
How many pairs of nerves arise from the spinal cord?
```
[A] 21 [B] 31 [C] 41 [D] 51
```

Cerebellum, medulla oblongata and pons are the parts of...

[A] mid-brain [B] hind-brain [C] fore-brain [D] spinal cord

For the synthesis of which of the following hormones is iodine necessary?
```
[A] Adrenaline [B] Auxin [C] Thyroxine [D] Insulin
```

Which of the following is a mis-matched pair?

[A] Adrenaline and pituitary gland [B] Estrogen and ovary 
[C] Insulin and pancreas [D] Progesterone and ovary

The spinal cord originates from...

[A] cerebrum [B] cerebellum [C] medulla oblongata [D] pons

Which of the following hormones prepares our body for action in emergency situations?
```
[A] Testosterone [B] Growth hormone [C] Adrenaline [D] Insulin
```

Which of the following is male sex hormone?

[A] Estrogen [B] Adrenaline [C] Testosterone [D] Progesterone

Which of the following endocrine glands does not occur as a pair in human body?
```
[A] Adrenal [B] Pituitary [C] Testis [D] Ovary
```

Plant hormones are called...

[A] phytohormones [B] cytohormones [C] mesohormones [D] mitohormones

Which of the following hormones is a growth inhibitor?

[A] Auxin [B] Gibberellin [C] Cytikinin [D] Abscisic acid

The leaves of a sensitive plant possess a soft cushion-like structure called...
```
[A] pulmonus [B] pulvinus [C] pollenus [D] polynus
```
Which of the following plants shows thermonasty at higher temperatures?
```
[A] Lotus [B] Sunflower [C] Tulip [D] Mimosa
```
The structural and functional unit of human nervous system is...
```
[A] brain [B] nerve cell [C] axon [D] spinal cord
```
The protective and insulation sheath of myelin is found around...
```
[A] axon [B] dendrite [C] cell body [D] pons
```
The very small gap between two nerve cells is called...
```
[A] myelin [B] Ranvier's node [C] synapse [D] impulse
```

The central nervous system consists of...

[A] brain [B] spinal cord [C] brain and spinal cord [D] cerebrum and pons

The average weight of an adult human brain is ______ gm.
```
[A] 1000 [B] 1350 [C] 1530 [D] 3150
```

Pons regulates...

[A] body balance [B] blood circulation [C] blood pressure [D] respiration

Involuntary activities are controlled by...

[A] fore-brain [B] cerebellum [C] medulla oblongata [D] spinal cord

In spinal cord, the grey matter is arranged in ______ shape.
```
[A] H [B] W [C] R [D] K
```
Which of the following is not an example of reflex action?
```
[A] Sneezing [B] Yawning [C] Walking [D] Coughing
```

In reflex action ______ plays no role.

[A] brain [B] spinal cord [C] sensory neuron [D] motor neuron

The effects of sympathetic and parasympathetic nervous systems are...

[A] complimentary [B] contradictory [C] both of A and B [D] neither of A and B

Which of the following hormones is not released by pituitary gland?
```
[A] TSH [B] Thyroxin [C] ACTH [D] FSH
```
Which hormone causes ejection of milk from mammary glands?
```
[A] Vasopressin [B] Oxytocin [C] FSH [D] TSH
```

______ is antidiuretic hormone.

[A] Vasopressin [B] Oxytocin [C] FSH [D] TSH

Diabetes is caused due to the deficiency of...

[A] vasopressin [B] thyroxine [C] oxytocin [D] insulin

Goitre is caused due to the deficiency of ______ in our diet.
```
[A] iron [B] iodine [C] sodium [D] protein
```

Hypothyroidism results in...

[A] enlargement of thyroid [B] contraction of thyroid 
[C] exophthalmic goitre [D] deficiency of iodine

The hormone secreted by parathyroid gland regulates the level of ______ in blood.
```
[A] RBC & WBC [B] sugar & fat [C] calcium & phosphate [D] protein
```

______ is called 'fight or flight' hormone.

[A] Thyroxine [B] Adrenalin [C] Testosterone [D] FSH

Hormones have ______ effect.

[A] stimulatory [B] inhibitory [C] both stimulatory & inhibitory [D] nonregulatory

Animals coordinate their activities through...

[A] nervous system [B] hormones [C] both in A and B [D] brain

Which of the following is/are growth promoter hormone/s in plants

[A] Auxin [B] Abscisic acid [C] Cytokinin [D] Auxin and cytokinin

The growth of plant in the direction of stimulus is called...

[A] tropism [B] nastism [C] positive tropism [D] negative tropism

The growth of stem is known as...

[A] geotropism [B] gravitropism [C] positive geotropism [D] negative geotropism

When we touch the leaves of mimosa plant, we observe...

[A] photonasty [B] thermonasty [C] thigmonasty [D] hydronasty

The flowers of lotus and sunflower open in the morning. This is an example of...
```
[A] thigmonasty [B] thermonasty [C] photonasty [D] tropic movement
```
Opening of crocus and Tulip flowers at high temperature is an example of...
```
[A] thigmonasty [B] thermonasty [C] thermotropism [D] thigmotropism
```

The shorter fibres of nerve cell are called...

[A] dendrite [B] axon [C] synapse [D] nerve fibre

The longest fibres of nerve cell are called...

[A] dendrite [B] axon [C] synapse [D] nerve fibre

Which structure of a nerve cell receives the nerve impulse passed on by another nerve cell?
```
[A] Dendrite [B] Axon [C] Nerve fibre [D] Ranvier's node
```
By which structure does nerve impulse pass from one nerve cell to other nerve cell?
```
[A] Dendrite [B] Axon [C] Nerve fibre [D] Ranvier's node
```

After travelling through the nerve cell, the nerve impulse gets converted to...

[A] chemical signal [B] electrical signal [C] mechanical signal [D] electronic signal

The structure that protects brain is called...

[A]vertebral column [B] cranium [C] thalamus [D] corpus callosum

The brain is surrounded by membranes called...

[A] corpus callosum [B] meninges [C] thalamus [D] lobes

Which matter is present in the outer region of brain?

[A] Blue matter [B] White matter [C] Grey matter [D] Dark matter

Which matter forms the inner part of brain?

[A] Blue matter [B] White matter [C] Grey matter [D] Dark matter

Which of the following protects brain from mechanical shock?

[A] White matter [B] Grey matter [C] Dark fluid [D] Cerebrospinal fluid

Which is the largest and most complex part of human brain?
```
[A] Cerebrum [B] Cerebellum [C] Pons [D] cranium 
```

The two cerebral hemispheres are joined together by...

[A] cranium [B] pons [C] medulla oblongata [D] corpus callosum

Each cerebral hemisphere is divided into _____ lobes.
```
[A] 2 [B] 3 [C] 4 [D] 6
```

Which of the following is a highly convoluted structure?

[A] cerebellum [B] cerebral medulla [C] cerebral cortex [D] corpus callosum

Which of the following part of the brain controls and regulates blood pressure, hunger, body temperature and thirst?
```
[A] Thalamus [B] Hypothalamus [C] Medulla oblongata [D] Cerebellum
```

Which of the following coordinates the body movement?

[A] Pons [B] Medulla oblongata [C] Cerebellum [D] Corpora quadrigemina

Which of the following controls involuntary activities like coughing and sneezing?
```
[A] Pons [B] Medulla oblongata [C] Cerebellum [D] Cerebrum
```

The spinal cord is protected by...

[A] cranium [B] corpus callosum [C] pons [D] vertebral column

Which of the following nerve fibres are present in the white matter?

[A] Medullated nerve fibres and neurons with long processes 
[B] Medullated nerve fibres and neurons with short processes
[C] Nonmedullated nerve fibres and neurons with long processes
[D] Nonmedullated nerve fibres and neurons with short processes

Which of the following nerve fibres are present in the grey matter?

[A] Medullated nerve fibres and neurons with long processes 
[B] Medullated nerve fibres and neurons with short processes
[C] Nonmedullated nerve fibres and neurons with long processes
[D] Nonmedullated nerve fibres and neurons with short processes

The nervous system that controls the involuntary activities is called...

[A] autonomous nervous system [B] central nervous system
[C] independent nervous system [D] absolute nervous system

Sympathetic and parasympathetic nervous systems are parts of...

[A] central nervous system [B] autonomous nervous system 
[C] peripheral nervous system [D] special nervous system

In which part of the body are pituitary gland, pineal gland and hypothalamus are located?
```
[A] Abdominal cavity [B] Brain [C] Neck [D] Thoracic cavity
```
Melanocyte stimulating hormone is secreted from ______ pituitary gland.
```
[A] anterior [B] intermediate [C] posterior [D] dorsal
```

______ is the gland attached to the kidney.

[A] Pineal [B] Thyroid [C] Testis [D] Adrenal

_____ stimulates the absorption of water and controls the loss of water through urine.
```
[A] ADH [B] TSH [C] ACTH [D] FSH
```
A patient experienced a sudden rise in body weight up to 6 kg within a couple of weeks. Disorder of which gland is related to this condition?
```
[A] Adrenal [B] Testes/ovary [C] Pancreas [D] Thyroid
```
In which lobe of cerebrum is the centre for visual reception located?
```
[A] Frontal [B] Parietal [C] Temporal [D] Occipital
```
```
[A][B][C][D]
```

ANSWERS

(1) B (2) B (3) D (4) B (5) A (6) A (7) B (8) B (9) C (10) A (11) C (12) C (13) C (14) B (15) A (16) D (17) B (18) C (19) B (20) A (21) C (22) C (23) B (24) D (25) C (26) A (27) C (28) A (29) C (30) B (31) B (32) A (33) D (34) B (35) A (36) C (37) B (38) C (39) C (40) D (41) A (42) D (43) C (44) C (45) B (46) A (47) B (48) A (49) B (50) A (51) B (52) B (53) C (54) B (55) D (56) A (57) D (58) C (59) C (60) B (61) C (62) B (63) D (64) A (65) D (66) A (67) B (68) B (69) B (70) D (71) A (72) D (73) D (74) (75)

Multiple Choice Questions in Science

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Wednesday, November 27, 2013

Chapter 10 : MINERAL COAL AND MINERAL OIL

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Sunday, November 24, 2013

Chapter 11 : ORGANIC COMPOUNDS

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Monday, November 18, 2013

Chapter 12 : NUTRITION AND RESPIRATION

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Thursday, November 14, 2013

Chapter 13 : TRANSPORTATION, CIRCULATION, EXCRETION IN ORGANISMS

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Sunday, November 3, 2013

Chapter 14 : CONTROL AND COORDINATION IN ORGANISMS

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