indian agriculture & animal husbandry section 6 MCQ Questions & Answers Detailed Explanation

Answer: (a)

Tank irrigation is practised mainly in peninsular India due to the following reasons

1. The undulating relief and hard rocks make it difficult to dig canals and wells.
2. There is little percolation of rainwater due to the hard rock structure and groundwater is not available in large quantity.
3. Most of the rivers of this region are seasonal and dry up in the summer season. Therefore, they can not supply water to canals throughout the year.
4. The scattered nature of population and agricultural fields also favours tank irrigation.

Answer: (b)

The novel technological development of the Green Revolution was the production of novel wheat cultivars. Agronomists bred cultivars of maize, wheat, and rice that are generally referred to as HYVs or "high yielding varieties". In the Indian context, wheat benefitted the most in such states as Punjab, Haryana and Uttar Pradesh.

There are also claims that the Green Revolution has decreased food security for a large number of people. One claim involves the shift of subsistence-oriented cropland to cropland oriented towards the production of grain for export or animal feed.

For example, the Green Revolution replaced much of the land used for pulses that fed Indian peasants for wheat, which did not make up a large portion of the peasant diet.

Answer: (b)

Even though the cultivation of Tobacco is spread all over the country, commercial cultivation of Tobacco is concentrated in States like Andhra Pradesh, Karnataka, Gujarat, Maharashtra, Bihar, Tamil Nadu and West Bengal. India's Tobacco Board is headquartered in Guntur in the state of Andhra Pradesh.

Answer: (b)

Answer: (c)

Answer: (a)

In agriculture, leaching refers to the loss of water-soluble plant nutrients from the soil, due to rain and irrigation. The rate of leaching increases with the amount of rainfall, high temperatures, and the removal of protective vegetation.

In areas of extensive leaching, many plant nutrients are lost, leaving quartz and hydroxides of iron, manganese, and aluminium. This remainder forms a distinctive type of soil, called laterite.