Agronomy - Study Mode
[#661] Match the following columns: Column I (Origin) Column II (Crop) a. South American 1. Sorghum b. Africa 2. Potato c. Asia minor 3. Wheat d. India 4. Soyabean
Correct Answer
(C) a-2, b-1, c-4, d-3
Explanation
Solution: Potato is a crop that originated in South America (Peruvian - Bolivian Andes). It was believed to be cultivated in South America by the Incas as early as 1800 years ago. Sorghum is native to Africa. It was derived from the wild progenitor s. bicolour subspecies verticilliflorum. Soybean is believed to be originated from Asia minor, as per botanists, it was first domesticated in central China as early as 7000 BCE. As per the evidence from Mohen-Jo-Daro, excavations, indicate that wheat was being grown there more than 5000 years ago.
[#662] RMO-40 is a variety of
Correct Answer
(D) Mothbean
Explanation
Solution: RMO-40 is the variety of Mothbean. It has short stature and a non-spreading plant type with synchronous maturity. It is resistant to the yellow mosaic virus in the fields. It is widely cultivated in the western zone of Rajasthan in the drought prone area.
[#663] NARS refers to
Correct Answer
(D) National Agricultural Research System
Explanation
Solution: NARS stands for National Agricultural Research System. It is a system that brings together public and private sector research institutions, universities and other institutions engaging in integrated and coordinated agricultural research for development. It is responsible for providing technical, analytical, diagnostic and advisory services and up-to-date information to the agriculture sector.
[#664] Silicon is the . . . . . . . . most abundant element in the earth's crust.
Correct Answer
(D) Second
Explanation
Solution: Silicon is the chemical element with atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic luster. It is the second most abundant element in the earth’s crust after oxygen. It is relatively unreactive, but it shows a high affinity toward oxygen, it links up with oxygen to form the most common minerals on Earth.
[#665] The polish percentage in paddy is
Correct Answer
(D) 8%
Explanation
Solution: Polish rice is done to increase the brand value of the product. It is done during the milling process after the removal of the outer covering of rice. The polish percentage in paddy is 8%. Nutritionally, rice polishing contains 13% - 15% protein, 11% - 12% oil and 40% - 45% nitrogen free extract.