The descending order of the following states from the point of view of wheat production in the country is:

Haryana, Madhya Pradesh, Rajasthan, Bihar.
Haryana, Rajasthan, Madhya Pradesh, Bihar
Madhya Pradesh, Bihar, Rajasthan, Haryana
Haryana, Rajasthan, Bihar, Madhya Pradesh

The correct answer is (b).

Haryana is the leading producer of wheat in India, followed by Madhya Pradesh, Rajasthan, and Bihar. In 2020-21, Haryana produced 13.2 million tonnes of wheat, while Madhya Pradesh produced 12.5 million tonnes, Rajasthan produced 11.6 million tonnes, and Bihar produced 9.7 million tonnes.

Haryana is well-suited for wheat cultivation due to its fertile soil, favorable climate, and irrigation facilities. The state has a long history of wheat cultivation, and its farmers are highly skilled in the cultivation of this crop.

Madhya Pradesh is also a major producer of wheat. The state has a large area under wheat cultivation, and its farmers use modern agricultural practices to produce high yields.

Rajasthan is a desert state, but it is also a major producer of wheat. The state has developed a number of irrigation schemes to make it possible to grow wheat in the desert.

Bihar is a state in eastern India. It is the third most populous state in India, after Uttar Pradesh and Maharashtra. Bihar is a major producer of rice, wheat, and maize.

The descending order of the following states from the point of view of wheat production in the country is:

  1. Haryana
  2. Madhya Pradesh
  3. Rajasthan
  4. Bihar