Question

Identify the correct statements about plant breeding for developing resistance to insect pests.
(A). Hairy leaves in cotton - resistance to jassids.
(B). Hairy leaves in wheat - resistance to stem borers.
(C). Nectar-less cotton having smooth leaves - resistance against boll worms.
(D). High aspartic acid and low nitrogen and sugar content in maize - resistance to stem borers.
Choose the correct answer from the options given below:

• A. (A), (B) and (D) only.
• B. (A), (B) and (C) only.
• C. (A), (C) and (D) only.
• D. (B), (C) and (D) only.

Hint:

Hairy wheat leaves resist the cereal leaf beetle, not stem borers, so statement (B) is false.

Answer 1

The Correct Option is C

Step 1: Understanding the Concept
Insect resistance is bred through plant traits such as hairs, smooth leaves or chemical content.

Step 2: Check each statement
(A) is true: hairy cotton leaves resist jassids.
(B) is false: hairy wheat leaves resist the cereal leaf beetle, and solid stems deter the stem sawfly.
(C) is true: nectar-less smooth-leaved cotton resists bollworms.
(D) is true: maize with high aspartic acid and low nitrogen and sugar resists stem borers.

Step 3: Compare the options
The true statements are (A), (C) and (D).

Final Answer:
Statements (A), (C) and (D) only are correct. \[ \boxed{\text{(C) }\text{(A), (C) and (D) only.}} \]