- 1(current)
Q. No.PusaSem 2, a variety of flat bean, is resistant to all the following pests except:
| 1. | Aphids | 2. | Jassids |
| 3. | Fruit borer | 4. | Bollworm |
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In virus-infected plants, the meristematic tissues in both apical and axillary buds are free of the virus because:
| 1. | the dividing cells are virus resistant. |
| 2. | meristems have anti-viral compounds. |
| 3. | the cell division of meristems is faster than the rate of viral multiplication. |
| 4. | Viruses cannot multiply within meristem cell(s). |
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Which one of the following is not a fungal disease?
| 1. | Rust of wheat | 2. | Smut of Bajra |
| 3. | Black rot of crucifers | 4. | Red rot of sugarcane |
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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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Identify the incorrectly matched row:
|
Crop |
Variety |
Resistant to |
|
|
1. |
Cauliflower |
Pusa Snowball K1 |
Black rot and Curl blight black rot |
|
2. |
Chilli |
Pusa Sadabahar |
Mosaic virus and Leaf curl |
|
3. |
Flat bean |
Pusa Gaurav |
Jassids |
|
4. |
Okra |
Pusa sawani |
Shoot and fruit borer |
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- 1(current)
Q. No.
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