Question

This is a tiny opening of a seed

• A. Seed coat
• B. Hilum
• C. Cotyledon
• D. None of these

Answer 1

The correct option is B

Hilum

The correct option is B.

Explanation of the correct option:

1. Hilum is the tiny opening present in the seed coat which absorbs water.
2. The hilum is the site where the ovule fuses with the funicle.

Explanation of the incorrect options:

Option A:

1. Seed coat is the outermost layer formed from the integuments.
2. It protects the seed from harsh environmental conditions and prevents excess water loss.
   

Option C:

1. The fleshy part or seed leaves present beneath the seed coat are called cotyledon.
2. It provides nourishment to the germinating seed.

Final answer: Hilum is the tiny opening of a seed.