Solution:
AGMARK is a certification given to agricultural commodities in order to comply with Agricultural Products Act 1986. It is given for the assurance of quality.
86. Which of the following types of soils have a marked capacity to retain water?
Solution:
Regur soil have a marked capacity to retain water. Black soil is also called Regur soil. It is black in color and ideal for growing cotton. This type of soil is typical of the Deccan trap (Basalt) region spread over North-West Deccan plateau and is made up of lava flows.
87. Among the following crops which one occupies the largest area in India?
Solution:
Sugarcane occupies the largest area in India. Sugarcane is grown on around 2.8% of Gross Cropped Area of India. India produced around 352 million tonnes of sugar.
88. Which of the following is not primarily a rabi crop in India?
Solution:
Jute is not primarily a rabi crop in India. Kharif crops o are domesticated plants that are cultivated and harvested in during the rainy season, which lasts from April to October depending on the area.
89. The Laterite soil is found in which of the following state?
Solution:
Laterite soil is found in areas of high temperature, and high rainfall. These soils have mainly developed in the higher areas of peninsular plateau. Laterite soils are found mainly in the states of Karnataka, Kerala, Tamil Nadu, Madhya Pradesh and the hilly regions of Orissa and Assam.
90. The type of crop which is able to fix nitrogen from air is known as
Solution:
The type of crop which is able to fix nitrogen from air is known as Legume. When the plant stores the nitrogen in the roots, it produces a lump on the root called a nitrogen nodule. This is harmless to the plant but very beneficial to your garden.