Question

Shakti, ratan, and protina are three important lysine-rich varieties of:

• A. Maize
• B. Cotton
• C. Rice
• D. Wheat

Answer 1

The correct option is A

Maize

The correct option is option A.

Explanation for correct option:

1. Shakti, ratan, and protina are lysine-rich varieties of maize.
2. They are synthetically developed maize varieties.
3. All these varieties contain the recessive mutant for the allele opaque-2 gene.
4. They encode leucine zipper transcription factors that increase the level of lysine in maize.

Explanation for incorrect options:

Option B:

1. Cotton is a soft, fluffy staple fiber.
2. It grows in a protective cover.

Option C:

1. Rice is a member of the grass species Oryza sativa.
2. It is a seed.

Option D:

1. Wheat is grass.
2. It is cultivated for its seed.

Final answer: Shakti, ratan, and protina are three important lysine-rich varieties of maize.