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1. The average distance from the sun to the earth is –

a) 150 mn km

b) 57.8 mn km

c) 227.9 mn km

d) 778.2 mn km

Ans:      A 

2. Which one of the following present the Highest amount in terms of percentage by mass in the earth’s crust?

a) Silicon

b) Oxygen

c) Carbon

d) Calcium

Ans:      B

3. The Earth without rotational movement would result in 

1. no-sun-rise and sun-set

2. No occurrence of day and night cycle

3. Only one season

Select the correct answer using the code given below:

a) 1 only

b) 1 and 2 only

c) 2 and 3 only

d) 1, 2 and 3

Ans:      D

4. The scientist who first discovered that the earth revolves around the sun was

a) Newton

b) Dalton

c) Copernicus

d) Einstein

Ans:     C

5. Which one among the following statements is not correct?

a) Solar noon occurs simultaneously at locations with the same longitude

b) One meridian, which is directly under the sun, experiences solar noon at a given time

c) Places having the same longitude experience solar noon at different times

d) Solar noon occurs at different times at locations with the same latitude

Ans      C

6. Variations in the length of daytime and nighttime from season to season are due to 

a) The earth’s rotation on its axis

b) The earth’s revolution around the sun in an elliptical manner

c) Latitudinal position of the place

d) Revolution of the earth on a tilted axis

Ans:     B

7. What is the time taken by the Earth to complete one rotation on its imaginary axis?

a) 24 hr 37 min 23 sec        

b) 24 hr

c) 23 hr 56 min 4 sec

d) 23 hr 52 min

Ans:     C