Which is Indian dwarf wheat ?

(a) T.dicoccum

(b) T. sphaerococcum

(c) T. turgidum

(d) T. aestivum

Concept Questions :-

Impact:Green Revolution
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People recovering from long illness are often advised to include the alga Spirulina in their diet because it

(a) makes the food easy to digest

(b) is rich in proteins

(c) has antibiotic properties

(d) restores the intestinal microflora.

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Cattle fed with spoilt hay of sweet clover which contains dicumarol

(a) are healthier due to a good diet

(b) catch infections easily

(c) may suffer vitamin K deficiency and prolonged bleeding

(d) may suffer from beri beri due to deficiency of B vitamins

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Somaclonal variation can be obtained by

(a) application of colchicine

(b) irradiation with gamma rays

(c) tissue culture

(d) hybridisation.

Concept Questions :-

Plant Tissue Culture
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Somaclonal variation appears in

(a) organisms produced through somatic hybridization

(b) plants growing in highly polluted conditions

(c) apomictic plants

(d) tissue culture raised plants.

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In the following table identify the correct matching of the crop, its disease and the corresponding pathogen.

Concept Questions :-

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

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Which of the following species has the chromosome complement similar to that of Triticum aestivum ?

(a) Zea mays

(b) Secale cereal

(c) Gossypium

(d) Aegilops  

Concept Questions :-

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

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

(a) Grapes, maize, potato

(b) Sugarcane, paddy, banana

(c) Guava, sunflower, strawberry

(d) Pineapple, sugarcane, strawberry

Concept Questions :-

Animal Husbandry
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