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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is not an insect pest-resistant variety?
1. Pusa Gaurav
2. Pusa Sawani
3. Pusa A-4
4. Karan Rai
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRapeseed 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPusa 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPusa A-4 is not related to which of the following?
1. Shoot and Fruit borer resistance
2. Okra
3. Aphids resistance
4. Bhindi
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is not related to Rapeseed mustard?
1. Pusa Gaurav
2. Pusa sem 2
3. Aphid resistance
4. Both 2 and 3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyInsect resistance in host crop plants may be due to
1. Morphological
2. Biochemical
3. Physiological
4. All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySmooth leaved and nectar-less cotton varieties
1. Attract bollworms
2. Do not attract bollworms
3. Attract aphids
4. Do not attract aphids
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe resistance to maize stem borers is not caused by
1. High Aspartate
2. Low Nitrogen
3. Low sugar content
4. High Glutamate
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology