Multiple Choice Questions in Science: Chapter 6 : UNIVERSE

Choose Appropriate Alternative

Which of the following is a star?

[A] Sun [B] Phobos [C] Asteroid [D] Comet

Which of the following is not a member of our solar system?

[A] Asteroid [B] Shooting star [C] Sun [D] Artificial satellite

What is the periodic time of Halley's comet?

[A] 67 years [B] 76 years [C] 86 years [D] 100 years

Matter in the core region of the Sun is in _____ state.
```
[A] solid [B] liquid [C] gaseous [D] plasma
```
_____ is the most brilliant planet of our solar system.
```
[A] Earth [B] Venus [C] Jupiter [D] Mars
```

Poles of Mars are covered by...

[A] dry-ice [B] water-ice [C] nitrogen [D] iron

_____ was the first person to land on moon.

[A] Yuri gagarin [B] Aleksi Leonov [C] Kalpana Chawla [D] Neil Armstrong

The distance of a geostationary satellite above Earth's surface is _____ km.
```
[A] 43000 [B]  37956 [C] 35786 [D] 23123
```
Using telescope, who discovered four large moons of Jupiter in 17th century?
```
[A] Galileo [B] Kepler [C] Newton [D] Hubble
```
The first imaging X-ray telescope launches by NASA in 1978 was named...
```
[A] Galileo [B] Kepler [C] Einstein [D] Hubble
```
The X-ray radio telescope 'Einstein' was renamed_____ in 1999 by NASA.
```
[A] Galileo [B] Hubble [C] Chandra [D] Kepler
```

Who presented 'Geo-centric' model of Universe?

[A] Copernicus [B] Galileo [C] Kepler [D] Ptolemy

Who presented 'Helio-centric' model of Universe?

[A] Copernicus [B] Galileo [C] Plato [D] Ptolemy

Who discovered the laws of planetary motion?

[A] Copernicus [B] Kepler [C] Galileo [D] Newton

'There is no obvious centre of the Universe'. this fact is suggested by...

[A] Newton's first law of motion [B] Kepler's laws of planetary motion
[C] Einstein's theory of relativity [D] Universal law of gravitation

The estimated age of our solar system is _____ years.

[A] 3.72 billion [B] 4.568 billion [C] 4.923 billion [D] 4.865 billion

About _____% of the mass of the solar system is concentrated in Sun.
```
[A] 97.56 [B] 96.98 [C] 99.86 [D] 98.96
```

The planets are kept in their orbits by...

[A] centripetal force [B] centrifugal force [C] nuclear force [D] magnetic force

The diameter of Sun is about _____ km.

[A] 15,29,000 [B] 15,92,000 [C] 14,29,000 [D] 13,92,000

The temperature in the core region of Sun is about _____ K.
```
[A] 0.5 crore [B] 1.0 crore [C] 1.05 crore [D] 1.5 crore
```

Einstein's mass-energy relation is...

[A] E = Δm.c [B] E = Δm.c² [C] E = (Δm)².c[D] E = (Δm.c)²

During thermonuclear fusion process taking place in Sun, four hydrogen nuclei fuse to form a nucleus of...
```
[A] carbon [B] helium [C] heavy hydrogen [D] radium
```
At the surface of Sun, the temperature is about _____ K.
```
[A] 3000 [B] 4500 [C] 6000 [D] 15000
```

Sun spots result due to variation in...

[A] Earth's magnetic field [B] Sun's magnetic field 
[C] Earth's temperature   [D] Sun's temperature

The thickness of photosphere of Sun is about _____ km.
```
[A] 400 [B] 600 [C] 800 [D] 1000
```
Which of the following is not a terrestrial planet?
```
[A] Earth [B] Mercury [C] Mars [D] Jupiter
```
Which of the following is not a Jovian planet?
```
[A] Earth [B] Jupiter [C] Saturn [D] Neptune
```
_____ is the smallest planet of our solar system.
```
[A] Mercury [B] Earth [C] Venus [D] Pluto
```
The ratio of the mass of Mercury to mass of Earth is...
```
[A] 1:12 [B] 12:1 [C] 1:18 [D] 18:1
```
The daytime and night-time temperatures on Mercury are ______ and ______, respectively.
```
[A] 427°C, 173°C [B] 427°C, 100°C [C] 427°C, -173°C [D] 472°C, -173°C
```

Which planets have no moon?

[A] Mercury and Mars [B] Venus and Mars [C] Mercury and Venus [D] Venus and saturn

The Sun rises in the west on...

[A] Mercury [B] Venus [C] Mars [D] Neptune

Which pair of the planets forms neighbours of Earth?

[A] Mercury, Venus [B] Venus, Mars [C] Mercury, Mars [D] Mars, Jupiter

The atmosphere of Venus largely consists of clouds of...
```
[A] O₂ [B] H₂ [C] CO₂ [D] N₂
```

Phobos and Deimos are the moons of...

[A] Mars [B] Venus [C] Uranus [D] Saturn

Jupiter is about _____ times bigger than the Earth.
```
[A] 1000 [B] 1200 [C] 1400 [D] 1600
```
Saturn is about _____ times bigger than the Earth.
```
[A] 450 [B] 550 [C] 650 [D] 850
```

_____ is the largest moon of Saturn.

[A] Phobos [B] Ceres [C] Triton [D] Titan

Uranus is about _____ times bigger than the Earth.
```
[A] 37 [B] 46 [C] 64 [D] 84
```

Triton and Nerid are moons of...

[A] Neptune [B] Uranus [C] Jupiter [D] Mars

The orbit of _____ is highly elliptical.

[A] Venus [B] Neptune [C] Uranus [D] Pluto

There are about _____ asteroids.

[A] 1 million [B] 1 lac [C] 10,000 [D] 50,000

The diameter of the largest known asteroid, Ceres, is about _____ km.
```
[A] 100 [B] 400 [C] 1000 [D] 4000
```
The diameter of the asteroid, Vesta, is about _____ km.
```
[A] 100 [B] 400 [C] 1000 [D] 4000
```

Meteors are seen in large numbers during the period between...

[A] August to November [B] November to February 
[C] March to May       [D] June to August

If an object entering Earth's atmosphere from space falls on Earth, it is called...
```
[A] a comet [B] a meteor [C] a meteorite [D] an asteroid
```
If the surface temperature of a star is very low, the star appears...
```
[A] blue [B] white [C] red [D] yellow
```
If the surface temperature of a star is very high, the star appears...
```
[A] blue [B] white [C] red [D] yellow
```
There are _____ nakshatras.
```
[A] 22 [B] 24 [C] 25 [D] 27
```

The angular region of every nakshatra is...

[A] 12° 30' [B] 13° 20' [C] 14° 20' [D] 12° 40'

The sun remains in one nakshatra for about _____ days.
```
[A] 15 [B] 27 [C] 30 [D] 13.5
```
The diameter of Milky Way is about _____ light years.
```
[A] 15,000 [B] 30,000 [C] 60,000 [D] 1,00,000
```
The Sun is situated about _____ light years away from the galactic centre.
```
[A] 15,000 [B] 30,000 [C] 50,000 [D] 75,000
```
The Sun completes one revolution around the galactic centre in _____ years.
```
[A] 15 crore [B] 22.5 crore [C] 25.2 crore [D] 30 crore
```
There are about _____ stars in a galaxy.
```
[A] 10¹¹ [B] 10¹³ [C] 10¹⁹ [D] 10²²
```
There are about _____ stars in the Universe.
```
[A] 10¹¹ [B] 10¹³ [C] 10¹⁹ [D] 10²²
```

The period of the slowest observed pulsar is...

[A] 8 seconds [B] 80 seconds [C] 8 minutes [D] 80 minutes

Who was the pioneer of space travel?

[A] Albert Einstein [B] Yuri Gagarin [C] Tsiolkowsky [D] Kaspersky

The first artificial satellite launched in space was...

[A] Sputnik-I [B] Explorer-I [C] Challenger [D] Atlantis

The first human being who visited space was...

[A] Yuri Gagarin [B] Neil Armstrong [C] Aleksi Leonov [D] Timolov

The first space-walk was done by _____ on 18th March,1965.

[A] Yuri Gagarin [B] Neil Armstrong [C] Aleksi Leonov [D] Timolov

The first space-shuttle launched on 12th April, 1981, was...
```
[A] Challenger [B] Columbia [C] Discovery [D] Atlantis
```

The full form of LHC is...

[A] Large Hydrogen Collider  [B] Large Hedron Collider
[C] Liquid Hydrogen Collider [D] Liquid Hedron Collider

The first satellite launched by India in 1980 was...
```
[A] INSAT-1 [B] Rohini [C] Aryabhatt [D] IRS-1
```
The minimum speed required for a satellite to revolve around the Earth in an orbit is...
```
[A] 8 km/h [B] 8 km/min [C] 8 km/s [D] 8 m/s
```
The height of a satellite in polar orbit is about _____ km.
```
[A] 200 [B] 700 [C] 1000 [D] 35786
```
The repeating time of remote-sensing satellite of India is...
```
[A] 16 hours [B] 16 days [C] 21 hours [D] 21 days
```
For DTH (Direct to Home) TV transmission, India has launched...
```
[A] Rohini [B] INSAT-1 [C] Cartosat [D] INSAT-4
```
The strength of the gravitational field of Mercury is about _____ times that of the Earth.
```
[A] 1/3 [B] 1/2 [C] 3 [D] 2
```
_____ is the largest planet of our solar system.
```
[A] Earth [B] Jupiter [C] Saturn [D] Neptune
```
There are _____ beautiful rings around Saturn.
```
[A] 2 [B] 3 [C] 4 [D] 5
```
The diameter of Earth is d_e. Then the diameter of Uranus is _____ x d_e.
```
[A] 1.7 [B] 2.7 [C] 3.7 [D] 4.7
```
Asteroids revolve around...
```
[A] Earth [B] Mars [C] Jupiter [D] Sun
```

The tail of a comet is the longest when...

[A] it is nearest to the Sun [B] it is farthest from the Sun
[C] it is far from the Earth [D] it is near Saturn

Which of the following is a star?

[A] A tailed star [B] A shooting star [C] Sun [D] Andromeda

The moon undergoes an angular displacement of _____ in 1 day.
```
[A] 30° [B] 20° 40' [C] 15° 45' [D] 13° 20'
```

The moon stays in one nakshatra for about...

[A] 30 days [B] 13.5 days [C] 7 days [D] 1 day

Sun rises _____ minutes _____ than the time of its rise the previous day.
```
[A] 4, earlier [B] 4, later [C] 8.5, earlier [D] 8.5 later
```
There are about _____ galaxies in the Universe.
```
[A] 10¹¹ [B] 10¹² [C] 10²² [D] 10²³
```

A rocket works on the principle of...

[A] Newton's first law of motion [B] Newton's second law of motion 
[C] Newton's third law of motion [D] Newton's law of gravitation

Which series of satellites is used by India for astronomical observations?
```
[A] Agni [B] Rohini [C] INSAT [D] Kalpana
```

1 light year = _______ km.

[A] 4.96 x 10¹² [B] 6.49 x 10¹²[C] 9.46 x 10¹² [D] 6.94 x 10¹²

1 light year = ______ Au.
```
[A] 63240 [B] 36240 [C] 24360 [D] 60234
```

Astronomical Unit (Au) is the mean distance between...

[A] Earth and Moon [B] Earth and Jupiter [C] Earth and Sun [D] Sun and Jupiter

1 Astronomical unit (Au) = _____ km.

[A] 1.946 x 10⁸ [B] 1.496 x 10⁸ [C] 4.96 x 10⁸ [D] 9.46 x 10⁸

According to _______ there may be more than one universe.

[A] John Kepler [B] Stephen Hawking [C] Albert Einstein [D] Yuri Gagarin

Which planet of our solar system has maximum number of satellites?
```
[A] Mars [B] Saturn [C] Jupiter [D] Neptune
```
Which of the following planets has very large temperature difference between day-time and night-time?
```
[A] Mercury [B] Venus [C] Earth [D] Neptune
```
Halley's comet was last seen in the year _____.
```
[A] 1968 [B] 1978 [C] 1986 [D] 1999
```

Match the statements in Part A with the name of the planet in Part B.

[A] 1-b, 2-c, 3-a, 4-d [B] 1-c, 2-b, 3-d, 4-a 
[C] 1-d, 2-a, 3-c, 4-b [D] 1-d, 2-a, 3-b, 4-c

Match appropriate pairs in Part A and Part B.

[A] 1-b, 2-d, 3-c, 4-a [B] 1-b, 2-d, 3-a, 4-c
[C] 1-d, 2-c, 3-a, 4-b [D] 1-b, 2-c, 3-a, 4-d

Match the satellites in Part A with their functions in Part B.

[A] 1-b, 2-c, 3-a, 4-d [B] 1-d, 2-c, 3-a, 4-b
[C] 1-c, 2-d, 3-a, 4-b [D] 1-d, 2-a, 3-b, 4-c

_____ satellite gives information regarding the life in oceans and the environment around it.
```
[A] EDUSAT [B] RESOURCESAT [C] INSAT-4A [D] METSAT
```

How much time does the earth take to complete one rotation about its own axis?

[A] 24 hours [B] 23 hours 58 minutes [C] 23 hours 57 minutes [D] 23 hours 56 minutes

At what speed does the Sun revolve around the galactic centre?
```
[A] 30,000 km/h [B] 250 m/s [C] 250 km/s [D] 250 km/h
```
_____ is used for launching 1000-2000 kg class of remote sensing satellites.
```
[A] GSLV [B] MSLV [C] PSLV [D] CSLV
```
```
[A][B][C][D]
```
```
[A][B][C][D]
```

ANSWERS

(1) A (2) D (3) B (4) D (5) B (6) A (7) D (8) C (9) A (10) C (11) C (12) D (13) A (14) B (15) C (16) B (17) C (18) A (19) D (20) D (21) B (22) B (23) C (24) B (25) A (26) D (27) A (28) A (29) C (30) C (31) C (32) B (33) B (34) C (35) A (36) C (37) D (38) D (39) C (40) A (41) D (42) B (43) C (44) B (45) A (46) C (47) C (48) A (49) D (50) B (51) D (52) D (53) B (54) B (55) A (56) D (57) A (58) C (59) A (60) A (61) C (62) B (63) B (64) B (65) C (66) C (67) D (68) D (69) A (70) B (71) B (72) C (73) D (74) A (75) C (76) D (77) D (78) A (79) A (80) C (81) B (82) C (83) A (84) C (85) B (86) B (87) C (88) A (89) C (90) C (91) B (92) D (93) B (94) D (95) C (96) C (97)

Multiple Choice Questions in Science

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Friday, December 20, 2013

Chapter 6 : UNIVERSE

Choose Appropriate Alternative

ANSWERS

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