Unique Academic Board Solutions for Exercise 2: Previously Asked Questions

Which of the following statements regarding laterite soils of India are correct?
1. They are generally red in colour.
2. They are rich in nitrogen and potash.
3. They are well-developed in Rajasthan and Uttar Pradesh.
4. Tapioca and cashew nuts grow well on these soils.
Select the correct answer using the codes given below.

'Counter bunding' is a method of soil conservation used in:

Salinisation occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effect of salinisation on the irrigated land?

In India, the problem of soil erosion is associated with which of the following?
1. Terrace cultivation
2. Deforestation
3. Tropical climate
Select the correct answer using the codes given below.

Which of the following is/are the advantage/advantages of practising drip irrigation?
1. Reduction in weed.
2. Reduction in soil salinity.
3. Reduction in soil erosion.
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Consider the following statements:
The nation-wide 'Soil Health Card Scheme' aims at
1. Expanding the cultivable area under irrigation.
2. Enabling the banks to assess the quantum of loans to be granted to farmers on the basis of soil quality.
3. Checking the overuse of fertilizers in farmlands.
Which of the above statements is/are correct?

Which of the following practices can help in water conservation in agriculture?
1. Reduced or zero tillage of the land
2. Applying gypsum before irrigating in the field
3. Allowing crop residue to remain in the field
Select the correct answer using the code given below: