Question

Choose the correct statements among the following
I. The longest cells are nerve cells.
II. Smaller DNA in the bacteria called genetic material.
III. Bacterial flagellum has filament, hook and basal body.
IV. In Bacteria, flagella are used to attach to the rock.

• A. I and III
• B. I and II
• C. II and III
• D. III and IV

Hint:

Focus on cellular structures and their correct functions in prokaryotic cells.

Answer 1

The Correct Option is A

I) Correct — Nerve cells are the longest cells in the human body.
II) Incorrect — Statement is vague; bacterial DNA is not referred to as "smaller DNA."
III) Correct — Bacterial flagellum structure includes filament, hook, and basal body.
IV) Incorrect — Flagella are for locomotion, not attachment to surfaces.