IAS Previous Year GEOGRAPHY Questions – Lecture – 21 – STHAAPNA Series

Which of the following statements regarding laterite soils of India are correct? [2013 – I]

1. They are generally red in colour.
2. They are rich in nitrogen and potash.
3. They are well-developed in Rajasthan and UP.
4. Tapioca and cashew nuts grow well on these soils.

Select the correct answer using the codes given below.

(a)1, 2 and 3

(b)2, 3 and 4

(c) 1 and 4

(d) 2 and 3 only

When you travel in certain parts of India, you will notice red soil. What is the main reason for this colour? [2010]

(a) Abundance of magnesium

(b) Accumulated humus

(c) Presence of ferric oxides

(d) Abundance of phosphates

With reference to soil conservation, consider the following practices: [2010]

1. Crop rotation
2. Sand fences
3. Terracing
4. Wind breaks

Which of the above are considered appropriate methods for soil conservation in India?

(a) 1, 2 and 3 only

(b) 2 and 4 only

(c) 1, 3 and 4 only

(d) 1, 2, 3 and 4

With reference to agricultural soils, consider the following statements : (2018)

1.A high content of organic matter in soil drastically reduces its water holding capacity.

2.Soil does not play any role in the Sulphur cycle.

3.Irrigation over a period of time can contribute to the salinization of some agricultural lands.

Which of the statements given above is/are correct ?

(a)1 and 2 only

(b)3 only

(c)1 and 3 only

1, 2 and 3

What can be the impact of excessive / inappropriate use of nitrogenous fertilizers in agriculture? [2015-I]

1. Proliferation of nitrogen-fixing microorganisms in soil can occur.
2. Increase in the acidity of soil can take place.
3. Leaching of nitrate to the ground-water can occur.

Select the correct answer using the code given below.

(a) 1 and 3 only

(b) 2 only

(c) 2 and 3 only

(d) 1, 2 and 3

With reference to the circumstances in Indian agriculture, the concept of “Conservation Agriculture” assumes significance. Which of the following fall under the Conservation Agriculture? (2018)

1.Avoiding the monoculture practices

2.Adopting minimum tillage

3.Avoiding the cultivation of plantation crops

4.Using crop residues to cover soil surface

5.Adopting spatial and temporal crop sequencing/crop rotations

Select the correct answer using the code given below:

(a)1, 3 and 4

(b)2, 3, 4 and 5

(c)2, 4 and 5

1, 2, 3 and 5

Assertion (A) : Eastern coast of India produces more rice than the western coast.

Reason (R) : Eastern coast receives more rainfall than the western coast.

Select the correct code from the ones given below:[2003]

(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

What are the benefits of implementing the ‘Integrated Watershed Development Programme’? [2014 – I]

1. Prevention of soil runoff
2. Linking the country’s perennial rivers with seasonal rivers
3. Rainwater harvesting and recharge of groundwater table
4. Regeneration of natural vegetation

Select the correct answer using the code given below.

(a) 1 and 2 only

(b) 2, 3 and 4 only

(c) 1, 3 and 4 only

(d) 1, 2, 3 and 4