100+ Cell Biology Question Bank Pdf - 2

Question: 6

What is induced mutation?

The mutations that are artificially induced by using physical or chemical agents are called induced mutations.

Question: 7

What are polytene chromosomes?

Polytene chromosomes are sites of increased gene expression for the purpose of secreting specific proteins needed by the larva.

Question: 8

Write any two differences between an animal cell and a plant cell?

The cell wall is absent in the animal cell but it is present in a plant cell.

Chloroplast is absent in the animal cell. But it is present in the plant cell.

Question: 9

What are companion cells?

Companion cells are found in association with phloem sieve tubes. They assist the activity of sieve tubes.

Question: 10

Write short note on biotech?

Environmental Biotech (Biotechnology) is a discipline, which involves the application of the biological systems and processes for human benefit.