Most dinoflagellates are___________?

Related Mcqs:

1. Of the following which one is not the characteristic of dinoflagellates?

   A. Most of them are unicellular
   B. They have blooms
   C. Their cells are often covered with shells of interlocking cellulose plates impregnated with calcium
   D. None of these

2. The main types of plastids are___________?

   A. Chloroplasts
   B. Chromoplasts
   C. Leucoplasts
   D. All of these

3. The tumours which are of small size and localized are___________?

   A. benign
   B. malignant
   C. gentle
   D. nasty

4. Cellular organelles related with H2O2 are___________?

   A. Glyoxisomes
   B. Lysosomes
   C. Peroxisomes
   D. Ribosomes

5. Maximum number of species of living things on earth are___________?

   A. Algae
   B. Fungi
   C. Insects
   D. Protozoa

6. The cells present in testes and secrete testosterone are___________?

   A. Sertoli cells
   B. Germinal cell
   C. Interstitial cells
   D. Spermatocyte

7. Examples of Rhodophytes are___________?

   A. Chondrus
   B. Polysiphonia
   C. Both of these
   D. Pinnularia

8. The simplest of all bryophytes are___________?

   A. Thallophytes
   B. Embryophytes
   C. Mosses
   D. Liverworts

9. In all plants the major sites of phosynthesis are___________?

   A. Leaves respire and utilize O2 and release CO2.
   B. Stems
   C. Roots
   D. Branches

10. The main nitrogenous waste formed in the body of earthworm is/are___________?

    A. Ammonia
    B. Urea
    C. Uric acid
    D. Trimethylamine oxide