Symbiosis is beneficial to:

Related Mcqs:

1. The term symbiosis was proposed by:

   A. Mc Dougal
   B. Warming
   C. Odum
   D. de Bary

2. Symbiosis means:

   A. Harmful relationship of two organisms
   B. A process advantageous to algae
   C. Living together
   D. Phenomenon useful to fungi

3. The possible beneficial effect of the grazing animals is:

   A. Addition of their excreta to the soil
   B. Eradication of weeds
   C. Removal of wild plants
   D. Removal of wild animals

4. Mark the correct statement:

   A. Locusts migrate for feeding occasionally
   B. Whales show periodic migration
   C. Many birds migrate from Siberia to South pole
   D. Arctic term migrate from North to South pole

5. The facultative heliophytes are infact:

   A. Heliophytes
   B. Chasmophytes
   C. Chersophytes
   D. Sciophytes

6. The serotinous cones show:

   A. In situ seed germination
   B. Longer viability
   C. early cone separation
   D. All these characters

7. Albido value refers to:

   A. Turbidity of solar radiations
   B. Percentage of solar absorption
   C. Percentage of reflected light by a surface
   D. Amount of light absorbed by forests

8. Soils having sub-optimum concentration of nutrient solution are called:

   A. Hypotrophic
   B. Eutrophic
   C. Heterotrophic
   D. Oligotrophic

9. The migration of locuats corresponds to:

   A. Periodic migration
   B. Long distance migration
   C. Short distance migration
   D. None of these

10. Hydrophytes usually have:

    A. Well developed stomata
    B. Well developed aerenchyma
    C. Well developed root system
    D. Well developed vascular system