The intricate siliceous cell walls of diatoms are composed of two overlapping halves. What is the specific term used to describe these halves?

In Amoeba, which controls the cytoplasmic osmality?

Which of the following is not matching?

Protein rich layer named pellicle is present in

When a freshwater protozoan, possessing a contractile vacuole, is placed in a glass containing marine water, the vacuole will?

Amoeboid protozoans

I. live in freshwater, sea water or moist soil

II. has pseudopodia for locomotion and capturing prey

III. have silica shells on their surface in marine forms

Which of the statements given above are correct?

Under favourable conditions slime moulds form

Sleeping Sickness is caused by:

Plasmodium, the causative agent of malaria, belongs to which group of protists?

Chief producers in the ocean are:

Select the wrong statement.