Consider the following statements:
 

I: Hairy leaves are associated with resistance to jassids in cotton and cereal leaf beetle in wheat.
II: Low aspartic acid, high nitrogen, and sugar content in maize leads to resistance to maize stem borers.
III. In wheat, solid stems lead to non-preference by the stem sawfly and smooth-leaved and nectar-less varieties of cotton do not attract bollworms.

Which of the above statements are true?

1. I and II only

2. I and III only

3. II and III only

4. I, II and III

Subtopic:  Insect & Pest Resistance |
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Which of the following is not an insect pest-resistant variety?

1. Pusa Gaurav

2. Pusa Sawani

3. Pusa A-4

4. Karan Rai

Subtopic:  Insect & Pest Resistance |
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Rapeseed mustard has a variety of……… and is resistant against…….

1. Pusa Gaurav, Jassids

2. Pusa sem 2 and Pusa sem 3, Jassids

3. Pusa Sawani, Fruit and shoot borer

4. Pusa Gaurav, Aphids

Subtopic:  Insect & Pest Resistance |
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Pusa sem 2 and Pusa sem 3 are the varieties of ……. And are resistant against ……

1. Flat bean, fruit shaper

2. Brassicas, shoot, and fruit borer

3. Okra (Bhindi), shoot, and fruit borer

4. Flat bean, Jassids, aphids, and fruit borer

Subtopic:  Insect & Pest Resistance |
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Pusa A-4 is not related to which of the following?

1. Shoot and Fruit borer resistance

2. Okra

3. Aphids resistance

4. Bhindi

Subtopic:  Insect & Pest Resistance |
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Which of the following is not related to Rapeseed mustard?

1. Pusa Gaurav

2. Pusa sem 2

3. Aphid resistance

4. Both 2 and 3

Subtopic:  Insect & Pest Resistance |
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Insect resistance in host crop plants may be due to

1. Morphological

2. Biochemical

3. Physiological

4. All of these

Subtopic:  Insect & Pest Resistance |
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In wheat, solid stem lead to

1. Nonpreference by the stem sawfly

2. Preference by the stem sawfly

3. Non-preference by the bollworms

4. Preference by the bollworms

Subtopic:  Insect & Pest Resistance |
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Smooth leaved and nectar-less cotton varieties

1. Attract bollworms

2. Do not attract bollworms

3. Attract aphids

4. Do not attract aphids

Subtopic:  Insect & Pest Resistance |
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The resistance to maize stem borers is not caused by

1. High Aspartate

2. Low Nitrogen

3. Low sugar content

4. High Glutamate

Subtopic:  Insect & Pest Resistance |
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