Mutations in plant cells can be induced by:

1. Gamma rays

2. Zeatin

3. Kinetin

4. Infrared rays

Subtopic:  Breeding for Disease Resistance |
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In mung bean, resistance to yellow mosaic virus, and powdery mildew was brought about by:

1. Mutation breeding

2. Biofortification

3. Tissue culture

4. Hybridization and selection

Subtopic:  Breeding for Disease Resistance |
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Mutations can be induced with

1.  IAA

2.  ethylene

3.  gamma radiations

4.  infrared radiations

Subtopic:  Breeding for Disease Resistance |
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‘Himgiri’ developed by hybridization and selection for disease resistance against rust pathogens is a variety of

1.  maize

2.  sugarcane

3.  wheat

4.  chilli

Subtopic:  Breeding for Disease Resistance |
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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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Why is vivipary an undersirable character for annual crop plants -
1. It reduces the vigour of the plant
2. The seeds exhibit long dormancy
3. It adversely affects the fertility of the plant
4. The seeds cannot be stored under normal conditions for the next season

Subtopic:  Breeding for Disease Resistance |
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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 |
To view explanation, please take trial in the course below.
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology