Agronomy - Study Mode

[#451] 'ICRISAT' is located in
Correct Answer

(A) India

Explanation

Solution: ICRISAT is the intergovernmental organization that stands for International Crop Research Institute for the Semi-Arid Tropics and was formed in the year 1972. It is headquartered in Patancheru, Hyderabad (Telangana), and works under the parent organization CGAIR (Consultative Group for International Agricultural Research). Its mission is to reduce poverty, hunger, malnutrition, and environmental degradation in the drylands.

[#452] The carbohydrates produced in leaves can not be translocated to different growing parts of plant in the absence of
Correct Answer

(B) Boron

Explanation

Solution: Plants produce carbohydrates i.e. their food and energy in green leaves by the process of photosynthesis which is transported by the phloem tissues to all parts of the plant but the main element which is essential for its translocation is Boron. Boron plays a vital role in plant metabolic activities.

[#453] Which one of the following microbial agents is being commercially exploited as biocontrol agent
Correct Answer

(C) Trichoderma viridiae

Explanation

Solution: Trichoderma viridiae is a type of fungus that can block the life cycle of many pathogens and most specifically various other fungi that is the reason which makes it an amazing biological control agent against various pathogens that leads to its exploitation on a commercial level. It is a free-living fungus that grows mainly on the roots area of the plant present in the soil, it enhances the fertility of the soil, boosts plant growth and protects the plants from various pathogens.

[#454] Law of Minimum was given by
Correct Answer

(B) Liebig

Explanation

Solution: The Law of minimum is the theory proposed by Justus von Liebig, a German Scientist, which means that among all 16 essential nutrients if any one of them is missing or in less quantity than what is required by a plant then the yield and growth of the plant will be directly proportional to the amount of that minimum element i.e. that will also be poor even if all other nutrients are in proper quantity and abundance. That one element can lead to poor growth and yield.

[#455] Family of groundnut is
Correct Answer

(A) Leguminosae

Explanation

Solution: Groundnut belongs to the Leguminosae or Fabaceae family. Legume crops are known for their edible seeds and high protein content in their seeds while peanuts and groundnut are also oil crops. The main feature of this family is the presence of symbiotic nitrogen-fixing bacteria which is good for both plant growth as well as soil fertility. The other examples of this family are pea, chickpeas, peanut, beans, and all other pulses.