Somaclonal variation can be obtained by

(1) application of colchicine

(2) irradiation with gamma rays

(3) tissue culture

(4) hybridisation.

Subtopic:  Plant Tissue Culture |
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Somaclonal variation appears in

(1) organisms produced through somatic hybridization

(2) plants growing in highly polluted conditions

(3) apomictic plants

(4) tissue culture raised plants.

Subtopic:  Plant Tissue Culture |
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In the following table identify the correct matching of the crop, its disease and the corresponding pathogen.

Subtopic:  Breeding for Disease Resistance |
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Somaclonal variation is seen in 

(1) tissue culture grown plants

(2) apomicts

(3) polyploids

(4) vegetatively propagated plants

Subtopic:  Plant Tissue Culture |
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Which of the following species has the chromosome complement similar to that of Triticum aestivum ?

(1) Zea mays

(2) Secale cereal

(3) Gossypium

(4) Aegilops  

Subtopic:  Impact: Green Revolution |
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Which of the following is a correct match between crop, variety and resistance to diseases ?

Subtopic:  Breeding for Disease Resistance |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

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Apiculture is associated with which of the following groups of plants ?

(1) Grapes, maize, potato

(2) Sugarcane, paddy, banana

(3) Guava, sunflower, strawberry

(4) Pineapple, sugarcane, strawberry

Subtopic:  Animal Husbandry |
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Pebrine in silkworms is caused by:-
(1) Dugesia

(2) Monocystis

(3) Nosema

(4) Plasmodium

Subtopic:  Animal Husbandry |
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Which of the following is not true for inbreeding?

(1) It causes inbreeding depression after a few generations.

(2) It always increases the productivity.

(3) It is used to produce a pure line.

(4) It leads to homozygosity.

Subtopic:  Animal Husbandry |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

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The phenomenon that operates in the formation of root or shoot in a callus culture is

(1) differentiation

(2) re-differentiation

(3) de-differentiation

(4) re-juvenation.

Subtopic:  Plant Tissue Culture |
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