Question

An improved variety of transgenic basmati rice

• A. Gives a high yield and is rich in vitamin A.
• B. Gives a high yield but has no characteristic aroma.
• C. Is completely resistant to all insect pests and diseases of paddy.
• D. Does not require chemical fertilizers and growth hormones.

Answer 1

The correct option is A

Gives a high yield and is rich in vitamin A.

The correct option is A.

Explanation for the correct option:

1. Oryza sativa is an improved transgenic basmati rice type that uses genetic engineering to biosynthesize beta-carotene, a precursor of vitamin A, in the rice's edible sections.
2. It's also known as golden rice because of the golden color it gets from beta carotene.
3. Golden rice is a modified kind of basmati rice that is high in vitamin A and has strong resilience to a wide range of diseases, resulting in a higher yield than regular rice.

Explanation for the incorrect options:

Option B:

Gives a high yield and as well as has a characteristic aroma.

Option C:

It is not an insect-resistant plant.

Option D:

It does not require chemical fertilizers and growth hormones.

Final answer: An improved variety of transgenic basmati rice gives a high yield and is rich in vitamin A.