Agronomy - Study Mode

[#991] The inherent capacity of soil to supply plant nutrients in adequate amount and suitable proportion is called
Correct Answer

(B) Soil fertility

Explanation

Solution: The inherent capacity of soil to supply plant nutrients in adequate amounts and suitable proportions is called Soil fertility. It can also be defined as the capability of the soil to provide all the essential nutrients in all available forms to the plant.

[#992] Groundnut pegs when developed in the soil from
Correct Answer

(D) Fruits

Explanation

Solution: Groundnut has a unique ability to embed fertilized ovary of the flower into the ground through a specialized organ known as peg or gynopore . This peg is a tube-like structure formed after successful fertilization in flowers which is further developed into fruits.

[#993] UPAS 120 is a variety of
Correct Answer

(B) Pigeonpea

Explanation

Solution: UPAS 120 is an early maturing variety of pigeonpea that takes approximately 120 days to mature. It is a mutant variety that is in use since 1976. The plants developed are medium tall, open and of semi-spreading type.

[#994] Water requirement (WR) includes the losses due to
Correct Answer

(C) Consumptive use, water required for special operation and other eonomically unavoidable losses of water

Explanation

Solution: Water requirement (WR) = ET or CU + application losses + special needs. In hot climate evaporation loss is also being added. So, it is an overall combination of consumptive use, water required for special operations and other economically unavoidable losses of water.

[#995] Numbers of hot spot (biodiversity) present in India
Correct Answer

(C) 3

Explanation

Solution: There are three biodiversity hotspots present in India and total of 35 in the world. These are the Western Ghats, the Himalayas and the Indo-Burma region . Each one of them comprises at least 1500 species of vascular plants and it should have lost greater than or equal to 70% of its original habitat.