NEET 2002 Biology question

In protozoa like Amoeba and Paramecium, a organ is found for osmoregulation which is : -

(1)Contractile vacuoleCorrect
(2)Mitochondria
(3)Nucleus
(4)Food vacuole

Answer: (1)

Solution

Freshwater protozoans such as Amoeba and Paramecium are hypertonic to their surroundings, so water continually enters by endosmosis. The contractile vacuole collects this excess water and periodically

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-089079