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  • 1(current)
Q. No.

Mutations in plant cells can be induced by:

1. Gamma rays

2. Zeatin

3. Kinetin

4. Infrared rays

Q1:
 82% From NCERT NEET - 2021
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

Q2:
 86% From NCERT NEET - 2019
Subtopic:  Breeding for Disease Resistance |
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Mutations can be induced with

1.  IAA

2.  ethylene

3.  gamma radiations

4.  infrared radiations

Q3:
 93% From NCERT AIPMT - 2011
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

Q4:
 90% From NCERT AIPMT - 2011
Subtopic:  Breeding for Disease Resistance |
To view explanation, please take trial in the course below.
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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)

Q5:
 95% From NCERT AIPMT - 2005
Subtopic:  Breeding for Disease Resistance |
To view explanation, please take trial in the course below.
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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

Q6:
 57% From NCERT AIPMT - 2005
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

Q7:
 65% From NCERT AIPMT - 2002
Subtopic:  Breeding for Disease Resistance |
To view explanation, please take trial in the course below.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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