Agronomy - Study Mode

[#566] The crop grown in Uttar Pradesh during all the three seasons is
Correct Answer

(D) Maize

Explanation

Solution: Maize is the crop grown in Uttar Pradesh in all three seasons. The three main agricultural seasons are Kharif, rabi, and Zaid. Maize is the most versatile emerging crop and it can be grown in all three seasons pop corn, baby corn and corn cob.

[#567] Subsistence farming is characterised by
Correct Answer

(D) Distress scale

Explanation

Solution: The traditional method to grow crops with low resources and inputs is termed subsistence farming. When farmers grow crops to meet their needs of themselves on small scale, not for commercial purposes. Its main characteristics are the Distress scale, along with Lack of technology, non-profit based, absence of chemical fertilizer and pesticides, etc.

[#568] What is the major constituent of biomass of an organism?
Correct Answer

(B) Carbon

Explanation

Solution: Biomass is the weight or total quantity of living organisms including plants, animals and microorganisms in a given area or volume. Biochemically all these are cellulose, lignin, sugars, fats and proteins. Chemically it is a mixture of methane, hydrogen, carbon dioxide and hydrogen sulphide. Methane is the major constituent (75%). So, the major constituent is carbon in biomass.

[#569] Which one of the following is not correctly matched in the term of Crop variety and Origin?
Correct Answer

(A) Aruna ⇔ Interspecific cross

Explanation

Solution: Aruna is the variety of castor seeds that have been developed by mutation, not interspecific cross. Jagannath is the mutant variety of rice developing agency is Rice Research station Bhubaneswar. The breeding method is Mutation. Its characteristics are Semi dwarf, strongly photosensitive, and high seed dormancy. Jaya is also the variety of rice originated by the intervarietal cross, i.e. crossing over two different varieties. Pusa Jai Kisan is a soma clonal variant of mustard seeds, it is high yielding and developed through tissue culture techniques.

[#570] If total grain weight is 40qt in 20% moisture, what will be the weight of grains at 10% moisture?
Correct Answer

(B) 35.5 qt