The productivity of aquatic ecosystem is basically determined by light and____________?

Related Mcqs:

1. Aquatic arthropods respire through__________?

   A. Spiracles
   B. Gills
   C. Book lungs
   D. Both b and c

2. Aquatic animals excrete nitrogenous waste commonly in the form of_____________?

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

3. Ecosystem not found in Pakistan is_____________?

   A. Tropical rain forest
   B. Temperate deciduous forest
   C. Grassland
   D. Tundra

4. The most important group of producers in marine ecosystem is of__________?

   A. Diatoms
   B. Euglenoids
   C. Dinoflagellates
   D. Brown algae

5. Which is not recycled in the ecosystem?

   A. Wind
   B. Carbon
   C. Oxygen
   D. Energy

   Submitted by: Amir

6. A large regional community primarily determined by climate is called ?

   A. Population
   B. Community
   C. Biome
   D. Habitat

7. A large regional community primarily determined by climate is called__________?

   A. Population
   B. Community
   C. Biome
   D. Habitat

8. In plants, water potential is determined by major factors?

   A. Three
   B. Four
   C. Two
   D. Five

9. The percentage of light absorbed by the leaf is ___________?

   A. 20%
   B. 15%
   C. 10%
   D. 1%

10. Light reaction takes place on/in____________?

    A. Thylakoid
    B. Storma
    C. Chloroplast
    D. Grana