Triticale is obtained by crossing wheat with
1.  Oat
2.  Barley
3.  Maize
4.  Rye

Subtopic:  Plant Tissue Culture |
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Which fungal disease spreads by seed and flowers : -

(1) Loose smut of Wheat

(2) Corn stunt

(3) Covered smut of Barley

(4) Soft rot of Potato

Subtopic:  Breeding for Disease Resistance |
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Which of the following secretes toxins during storage conditions of crop plants : -

(1) Aspergillus

(2) Penicillium

(3) Fusarium

(4) Colletotrichum

Subtopic:  Breeding for Disease Resistance |
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What is the reason of formation of embryoid from pollen grain in tissue culture medium
1. Cellular totipotency
2. Organogenesis
3. Double fertilization
4. Test tube culture

Subtopic:  Plant Tissue Culture |
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Which of the following crops have been brought to India from New world : -

(1) Cashewnut, potato, rubber

(2) Mango, tea

(3) Tea, rubber, mango

(4) Coffee

Subtopic:  Impact: Green Revolution |
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Cellular totipotency is demonstrated by :-
1. Only gymnosperm cells
2. All plant cells
3. All eukaryotic cells
4. Only bacterial cells

Subtopic:  Plant Tissue Culture |
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India's wheat yield revolution in the 1960s was possible primarily due to :-

(1) Increased chlorophyll content

(2) Mutations resulting in plant height reduction

(3) Quantitative trait mutations

(4) Hybrid seeds

Subtopic:  Impact: Green Revolution |
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The technique of obtaining large number of plantlets by tissue culture method is called –

(1) Organ culture

(2) Micropropagation

(3) Macropropagation

(4) Plantlet culture

Subtopic:  Plant Tissue Culture |
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The name of Norman Borlaug is associated with-

(1) Green Revolution

(2) White Revolution

(3) Yellow Revolution

(4) Blue Revolution

Subtopic:  Impact: Green Revolution |
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Which of the following is generally used for induced mutagenesis in crop plants ?

1. Gamma rays (from cobalt 60)

2. Alpha particles

3. X rays

4. UV (260 nm)

Subtopic:  Breeding for Disease Resistance |
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