Stars and Solar System Test

Result

Stars and Solar System Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

The tail of a comet points away from the Sun due to

A
Centrifugal force

B
Electrical repulsion

C
Attraction of comet due to other planets

D
Radiation pressure.

Solution

A comet is a heavenly body made of gas and dust particles. Due to solar radiations, these gas and dust particles are pushed outwards, as the comets approach the Sun. These gases which move out are said to form a tail which points away from the Sun.
Question 2
1 / -0

A planet which is called born sister of Earth is

A
Mercury

B
Venus

C
Mars

D
Jupiter.

Solution

The Earth and Venus are called sister planets because Venus is very close to the Earth and nearly of same size and density as Earth and the chemical make up is also very similar.
Question 3
1 / -0

India's first artificial satellite is

A
APPLE

B
KANISHKA

C
ARYABHATTA

D
PSLV
Question 4
1 / -0

Which planet does not have any moons?

A
Venus

B
Mars

C
Jupiter

D
Saturn
Question 5
1 / -0

According to the table, on which planet would a ball fall the fastest?

Planet Earth Jupiter Neptune Saturn

Acceleration due to gravity
(ms^-2)
10 26 14 12

A
Jupiter

B
Saturn

C
Neptune

D
Earth

Solution

Since the acceleration due to gravity on the surface of the Jupiter is maximum, so, the ball would fall the fastest on the surface of Jupiter.
Question 6
1 / -0

Read the given statements and select the correct option.

Statement 1: Venus is hotter than mercury though it is far away from the Sun.
Statement 2: Cloudy atmosphere of Venus reflects almost 75 percent of the sunlight that falls on it.

A
Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.

B
Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.

C
Statement 1 is true but statement 2 is false.

D
Both statements 1 and 2 are false.

Solution

Venus is hotter than mercury though it is far away from the Sun because of the high percentage of carbon dioxide in its atmosphere, which causes heating due to the greenhouse effect. Venus appears bright due to its cloudy atmosphere, which reflects almost 75 per cent of the sunlight that falls on it.
Question 7
1 / -0

The artificial satellites sent into space by India in ascending order of their launching date is

A
APPLE, EDUSAT, ROHINI, INSAT 4B

B
EDUSAT, ROHINI, APPLE, INSAT 4B

C
ROHINI, APPLE, EDUSAT, INSAT 4B

D
INSAT 4B, EDUSAT, APPLE, ROHINI

Solution

ROHINI-18 July 1980; APPLE-19 June 1981; EDUSAT - 20 September 2004; INSAT 4B - 12 March 2007

Question 8

1 / -0

Match the Column I with Column II and select the correct option from the codes given below.

Column I	Column II
Made of ice and rocky material	(i) Orion
Chunks of rocks that have never managed to come together as planet	(ii) Meteors
Shooting stars in the sky	(iii) Asteroids
The hunter	(iv) Comets

a)-(i); (b)-(ii); (c)-(iii) (d)-(iv)

(a)-(iv); (b)-(iii); (c)-(ii) (d)-(i)

(a)-(iii); (b)-(ii); (c)-(i) (d)-(iv)

(a)-(ii); (b)-(i); (c)-(iv) (d)-(iii)

Question 9
1 / -0

Consider the following statements and select the option which correctly identifies true (T) and false (F).

(i) Mars is the red planet because it is hottest planet of solar system.
(ii) The galaxy in which our solar system is located is milky way,
(iii) Hydrogen burns as fuel in stars.
(iv) A nebula is a cloud of dust and gas in space.

A

(i) (ii) (iii) (iv)

T T T T

B

(i) (ii) (iii) (iv)

F F F F

C

(i) (ii) (iii) (iv)

T T F F

D

(i) (ii) (iii) (iv)

F T T T

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Planet	Earth	Jupiter	Neptune	Saturn
Acceleration due to gravity (ms^-2)	10	26	14	12

Stars and Solar System Test - 2

Result

Stars and Solar System Test - 2

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Question 1

Centrifugal force

Electrical repulsion

Attraction of comet due to other planets

Radiation pressure.

Solution

Question 2

Mercury

Venus

Mars

Jupiter.

Solution

Question 3

APPLE

KANISHKA

ARYABHATTA

PSLV

Question 4

Venus

Mars

Jupiter

Saturn

Question 5

Jupiter

Saturn

Neptune

Earth

Solution

Question 6

Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.

Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.

Statement 1 is true but statement 2 is false.

Both statements 1 and 2 are false.

Solution

Question 7

APPLE, EDUSAT, ROHINI, INSAT 4B

EDUSAT, ROHINI, APPLE, INSAT 4B

ROHINI, APPLE, EDUSAT, INSAT 4B

INSAT 4B, EDUSAT, APPLE, ROHINI

Solution

Question 8

a)-(i); (b)-(ii); (c)-(iii) (d)-(iv)

(a)-(iv); (b)-(iii); (c)-(ii) (d)-(i)

(a)-(iii); (b)-(ii); (c)-(i) (d)-(iv)

(a)-(ii); (b)-(i); (c)-(iv) (d)-(iii)

Question 9

(i) (ii) (iii) (iv) T T T T

(i) (ii) (iii) (iv) F F F F

(i) (ii) (iii) (iv) T T F F

(i) (ii) (iii) (iv) F T T T

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(i) (ii) (iii) (iv)

T T T T

(i) (ii) (iii) (iv)

F F F F

(i) (ii) (iii) (iv)

T T F F

(i) (ii) (iii) (iv)

F T T T