Navigate

In which animal is nerve cell present but brain absent

In which animal is nerve cell present but brain absent?

Options

(a) Sponge
(b) Earthworm
(c) Cockroach
(d) Hydra

Correct Answer:

Hydra

Explanation:

A primitive type of nervous system,without brain is found in the form of intra epidernal nerve net.However,there is no brain in Hydra to coordinate the response.

AIPMT2002
admin:

Related Questions

  1. Which bacteria plays a key role in gastritis and peptic ulcer disease
  2. When heterozygous red(dominant) flower is crossed with white flower the progeny
  3. Select the answer which correctly matches the endocrine gland with the hormone
  4. Active transport is
  5. Muscles get fatigue due to accumulation of