IAS Previous Year GEOGRAPHY Questions – Lecture – 2 – STHAAPNA Series

Q.1) Which one of the following scholars suggested the earth’s origin from gases and dust particles? [1999]

(a) James Jeans

(b) H. Alfven

(c) F. Hoyle

(d) O. Schmidt

Q.2) Who amongst the following was the first to state that the earth was spherical ? [2001]

(a) Aristotle

(b) Copernicus

(c) Ptolemy

(d) Strabo

Q.3) Consider the following pairs: [2013 – I]

1. Electromagnetic radiation
2. Geothermal energy
3. Gravitational force
4. Plate movements
5. Rotation of the earth
6. Revolution of the earth

Which of the above are responsible for bringing dynamic changes on the surface of the earth?

(a) 1, 2, 3 and 4 only

(b) 1, 3, 5 and 6 only

(c) 2, 4, 5 and 6 only

(d) 1, 2, 3, 4, 5 and 6

Q.4) Consider the following statements: [2005]

1. Total land area of earth is approximately 1475 lakh square kilometres.
2. Ratio of land area to water area of earth is approximately 1 : 4.
3. Maximum percentage of earth’s water is in the Pacific Ocean.

Which of the statements given above is/are correct?

(a)1 and 3

(b)2 and 3

(c) 1 only

(d) 3 only

Q.5) Variations in the length of daytime and night time from season to season are due to [2013]

(a) the earth’s rotation on its axis

(b) the earth’s revolution round the sun in an elliptical manner

(c) latitudinal position of the place

(d) revolution of the earth on a tilted axis.

Q.6) If the stars are seen to rise perpendicular to the horizon by an observer, he is located on the: [2001]

(a)Equator

(b)Tropic of Cancer

(c) South Pole

(d) North Pole

Q.7) In the earth’s direction of rotation is reversed, what should be the IST when it is noon at the International Date Line? [1997]

(a)06.30 hrs

(b)05.30 hrs

(c)18.30 hrs

(d)17.30 hrs

Q.8) Consider the following statements: [2005]

1. The Axis of the earth’s magnetic field is inclined at 23 and half to the geographic axis of the earth.

2. The earth’s magnetic pole in the Northern Hemisphere is located on a Peninsula in Northern   Canada.

3. The earth’s magnetic equator passes through Thumba in South India.

Which of the statements given above is/are correct?

(a)1, 2 and 3

(b)2 and 3

(c) 2 only

(d) 3 only

Q.9) Diamond ring is a phenomenon observed: [1996]

(a) at the start of a total solar eclipse

(b) at the end of a total solar eclipse

(c) only along the peripheral regions of the totality trail

(d) only in the central regions of the totality trail

Q.10)

Choose the appropriate codes from below: [2005]

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and R are true but R is NOT a correct explanation of A

(c) A is true but R is false

(d) A is false but R is true

Q.11) Which of the following phenomena might have influenced the evolution of organisms? [2014]

1. Continental drift
2. Glacial cycles

Select the correct answer using the code given below.

(a)1 only

(b)2 only

(c) Both 1 and 2

(d) Neither 1 nor 2

Q.12) Which one of the following conditions is most relevant for the presence of life on Mars? [1997]

(a) Atmospheric composition

(b) Thermal conditions

(c) Occurrence of ice caps and frozen water

(d) Occurrence of ozone

Q.13) Consider the following statements: [2008]

1. Albedo of an object determines its visual brightness when viewed with reflected light.
2. Albedo of Mercury is much greater than the albedo of the Earth.

Which of the statements given above is/are correct?

(a)1 only

(b)2 only

(c) Both 1 and 2

(d) Neither 1 nor 2

Q.14) Consider the following statements:

1. The Earth’s magnetic field has reversed every few hundred thousand years.
2. When the Earth was created more than 4000 million years ago, there was 54% oxygen and no carbon dioxide.
3. When living organisms originated, they modified the early atmosphere of the Earth.

Which of the statements given above is/are correct? [2018]

a) 1 only

b) 2 and 3 only

c) 1 and 3 only

d) 1, 2 and 3

Q.15) Assertion (A): To orbit around the Sun the planet Mars takes lesser time than the time taken by the earth.

               Reason (R) : The diameter of the planet Mars is less than that of earth.[2006]

Codes:                                                                                                                           

(a) Both ‘A’ and ‘R’ are individually true and ‘R’ is the correct explanation of ‘A’ .

(b) Both ‘A’ and ‘R’ are individually true but ‘R’ is not the correct explanation of ‘A’.

(c) ‘A’ is true but ‘R’ is false.

(d) ‘A’ is false but ‘R’ is true.

For solutions and detailed explanation watch the video and download the pdf