Agronomy - Study Mode
[#511] Seasmum belongs to the family
Correct Answer
(C) Pedaliaceae
Explanation
Solution: Sesamum is an annual leguminous herb belonging to the Pedaliaceae family. It is widely cultivated and naturalized in tropical regions for its edible seeds. It is the source of sesame seeds.
[#512] Fruits are generally . . . . . . . . in nature
Correct Answer
(A) Acidic
Explanation
Solution: Fruit is a mature ovary and it contains seeds that are the mature ovules after fertilization. Fruits are generally acidic, it contains reducing sugar, acid, cellulose, phenols, anthocyanins and vitamin C also.
[#513] Soils of which soil order have no diagnostic horizon
Correct Answer
(B) Entisols
Explanation
Solution: A diagnostic horizon in a soil layer is a combination of characteristics typical of that kind of soil. Certain features are illuvial iron- manganese coatings, depth of water table, texture, presence of organic matter, etc. Entisols are the soil order that has no diagnostic horizon, entisols are the most abundant soil order, occupying about 16% of the global ice-free land area.
[#514] Potato crop gives good response to application of
Correct Answer
(C) Potassium
Explanation
Solution: The potato is a stem tuber belonging to the Solanaceae family. And potassium is one of the essential nutrients for plant's growth and development. Its application to potato plants shows a very good response, it increases the height of the plant and the crop's vigor and at the same time, it imparts resistance against drought, frost and diseases.
[#515] Which weedicide is used to kill broad leaf weeds in wheat?
Correct Answer
(A) 2, 4 - D.S.S. (WPSS)
Explanation
Solution: Weedicide is the chemical used in agriculture to kill the weeds that are unwanted plants or herbs that grow with the main crop and affect the overall yield. 2, 4 - D sodium salt 80% WP is a selective weedicide that controls broad-leaved weeds, edges, and germinating grass seedlings in the plantation of sugarcane, wheat, maize, citrus, grapes and tea.