Natural Pest Resistant Plants

Q. Biochemical character which provides resistance to stem borers in Maize is

1. High nitrogen, sugar and aspartic acid content
2. Low aspartic acid, nitrogen and sugar content
3. High nitrogen, sugar and low aspartic acid content
4. High aspartic acid, low nitrogen and sugar content

Q. Biochemical character which provides resistance to stem borers in Maize is

1. High nitrogen, sugar and aspartic acid content
2. Low aspartic acid, nitrogen and sugar content
3. High nitrogen, sugar and low aspartic acid content
4. High aspartic acid, low nitrogen and sugar content

Q.

Maize variety resistant to stem borer shows

1. High content of nitrogen

2. Low nitrogen content

3. Low Aspartic acid

4. High Malic acid

Q. Select the mismatch from the following.

1. Cotton – Hairy leaves – Resistance to aphids
2. Wheat – Hairy leaves – Resistance to cereal leaf beetle
3. Wheat – Solid stems – Resistance to stem sawfly
4. Cotton – Smooth leaves – Resistance to bollworms

Q. Natural methods of plants to avoid pests include

1. Morphological
2. Biochemical
3. Physiological
4. All of the above

Q. Natural methods of plants to avoid pests include

1. Morphological
2. Biochemical
3. Physiological
4. All of the above

Q.

Maize variety resistant to stem borer shows

1. High content of nitrogen

2. Low nitrogen content

3. Low Aspartic acid

4. High Malic acid