Horticulture - Study Mode

[#776] Person regarded as the father of tomato in India is
Correct Answer

(B) Dr. G. Kallo

Explanation

Solution: A person regarded as the father of tomatoes in India is Dr. G. Kalloo (1986). He was a former DDG (Crop Science), ICAR, New Delhi, and vice-chancellor, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Jabalpur in 2017. He has written several books including Genetic improvement of Tomatoes, because which he is regarded as the father of tomatoes. G. Kalloo's 4 research works with 116 citations and 224 reads, including Breeding for Environmental Stress Resistance in Tomato.

[#777] 'Little leaf' of mango is due to the deficiency to India of
Correct Answer

(C) Zn

Explanation

Solution: ‘Little leaf' of mango is due to the deficiency to India of Zinc . The leaves become small and narrow with leaf margins bent upwards or downward. Inter nodal length is reduced drastically and a twig with crowded leaves gives a rosette appearance. The tree with zinc hunger does not grow well and the yield, size and quality of the fruit are reduced. Malformation of fruits, death of tissue. The margins of the leaf, the midrib area and the leaf tip usually remain green. Plants are stunted because internodes are shortened.

[#778] The Agricultural Produce (Grading and Marketing) Act was passed in
Correct Answer

(D) 1937

Explanation

Solution: The Agricultural Produce (Grading and Marketing) Act was passed in 1937. An Act to provide for the grading and marking of agricultural and other produce. This Act may be called the Agricultural Produce (Grading and Marking) Act, 1937. It extends to the whole of India. AGMARK is a certification mark for agricultural produce, assuring that they conform to a grading standard notified by the Directorate of Marketing & Inspection (DMI), Department of Agriculture, Cooperation and Farmers Welfare, Ministry of Agriculture & Farmers Welfare under Agricultural Produce (Grading Marking) Act, 1937.

[#779] Biocide used in vase solution for preservation of flowers is
Correct Answer

(B) 8-HQC

Explanation

Solution: The biocide used in vase solution for the preservation of flowers is 8-HQC. A standard preservative solution containing 2% sucrose and 200 mg dm -3 citrate or sulfate of hydroxyquinoline (8-HQC or 8-HQS) is often used to prolong the vase life of cut flowers. The 8-HQC is a very important and effective biocide used in the floral industry. Thus, incorporating 8-HQC either in the preservative solution or as a pulse treatment would restrict microbial growth and subsequent vascular blockage and thus promote water uptake.

[#780] Pungency in radish is due to volatile compound
Correct Answer

(B) Isothiocyanates

Explanation

Solution: Pungency in radish is due to the volatile compound Isothiocyanates . 4-(Methylthio)-3-trans-butenyl isothiocyanate, a breakdown product of glucodehydroerucin, was reported to be the main volatile constituent of radish root responsible for its pungency. Isothiocyanate is a volatile and aliphatic sulphur-containing compound. It is a main pungent compound of some relishes.