Which of the following characteristics is NOT common to all protists?

Which group of protists includes organisms with a pellicle, providing flexibility and shape?

Red tide in warms coastal water is caused due to the rapid multiplications of

Auxopores as rejuvenescent cells are characteristic of which of the following?

Organism without cell wall & can respire anaerobically is :

Plant like nutrition is present in

The cell walls of which organisms are characterized by a unique two-part structure made of silica, resembling a petri dish?

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?

Diatoms, which are good indicators of water pollution are

Euglenoids have flexible Body. Because of:

Consider the following statements

I. Fruce discovered that the parasite of sleeping sickness is transmitted by tse-tse fly

II. Sleeping sickness of Trypanosoma gambiens is also called Gambian trypanoomiasis, which is found in western and central parts of Africa

III. Trichomonas vaginalis inhabits vagina of women and causes the disease leucorrhoea

IV. Entamoeba histolytica resides in the upper part of the human large intestine and cause the disease known as amoebic dysentery

Which of the statements given above are correct?