geomorphology & earth landforms section 6 MCQ Questions & Answers Detailed Explanation

Question : 1

Arrange the following rocks in descending order in terms of silica content.

1. Andesite
2. Granite
3. Basalt
4. Rhyolite

a) 1, 2, 3, 4

b) 2, 1, 4, 3

c) 2, 4, 1, 3

d) 2, 1, 3, 4

Question : 2

Which of the following scholar has suggested that the Earth has originated from the gases and the dust particles?

a) F. Hoyal

b) James Jeans

c) O. Schmidt

d) H. Alfven

Question : 3

Which one of the following is not the correct explanation for Plains?

a) The plains may be above the or below the sea levels but always higher than the surrounding regions.

b) Plains are flat areas with low height and extensive tract without prominent hills and depressions.

c) The slope should be quite gentle; the average fall of the slope should be 4 metres and in extreme cases, not more than 50 metres.

d) Some plains are only a few metres above the sea level, examples south deltaic plains of Bangladesh. Some are quite high, like the eastern Mississippi plain (450 m high), even higher than the Piedmont plateau.

Question : 4

Select the correct answer using the codes given below:
Composite Volcanoes are:

1. made from alternate layers of lava flows and exploded rock
2. made of magma ranging from basalt to granite
3. about 100 to 3,500 m tall

a) 1 and 3 only

b) 1 and 2 only

c) 1, 2 and 3

d) 2 and 3 only

Question : 5

Match the following: A. 1. B. 2. C. 3. D. Choose the correct answer from the codes given below:

a) A-1, B-2, C-2, D-3

b) A-1, B-2, C-3, D-2

c) A-3, B-1, C-1, D-2

d) A-2, B-2, C-3, D-1

Question : 6

Which of the following rocks is not likely to contain fossils?

a) Shale

b) Conglomerate

c) Sandstone

d) Granite