Various landforms observed on the surface of the earth are due to the

Question 18 Various landforms observed on the surface of the earth are due to the

1. differences in the type and structure of the crustal material
2. differences in the land forming processes
3. differential rates of the processes at different places on the Earth's surface
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

Answer: D) 1, 2 and 3

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Question 19 Under which of the following condition(s) the occluded fronts are created?

1. When the front remains stationary
2. When cold air mass moves to warm air mass
3. When warm air mass moves to cold air mass
4. When an air mass is fully lifted above the land surface
Select the correct answer using the code given below:
A) 1 and 2
B) 2 and 3
C) 3 and 4
D) 4 only

Answer: A) 1 and 2

Question 20 The following item consists of two statements, Statement I and Statement II. Examine these two statements carefully and select the correct answer using the code given below

A) Both the statements are individually true and Statement II is the correct explanation of Statement I
B) Both the statements are individually true but Statement II is not the correct explanation of Statement I
C) Statement I is true but Statement II is false
D) Statement I is false but Statement II is true
Statement I Catalytic hydrogenation is highest when the catalyst remains in the powdered form
Statement II When a catalyst is in the powdered form, its surface area becomes highest

Answer: B) Both the statements are individually true but Statement II is not the correct explanation of Statement I

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