Question

A few normal seedlings of tomato were kept in a dark room after a few days they were found to have become white coloured like albinos which of the following terms will you use to describe them-

• A. Defoliated
• B. Mutated
• C. Etiolated
• D. Embolized

Answer 1

The correct option is C

Etiolated

The correct option is C

Explanation of correct option

1. If the tomato seedlings were kept in a dark room then after a few days white-colored seedlings were formed because of the process called etiolation.
2. Etiolation is a natural phenomenon, seen in plants where the seedling is seen to be elongated in search of a light source.

Explanation of incorrect option

Option A

Defoliation is the loss of leaves from a plant prematurely. Black spot disease attacks the leaves thereby resulting in the loss of plant leaves.

Option B

A mutation is any change in the sequence of DNA due to replication errors, viral infections, or mutagens.

Option D

Embolization is the blocking of a xylem vessel or tracheid by an air bubble or cavity.

Final answer

Etiolation is the formation of white-colored seedlings due to the absence of light.