Most of the photosynthesis on earth is carried by__________?

Related Mcqs:

1. Photosynthesis carried out by terrestrial plants is _________ of total photosynthesis?

   A. 1-2%
   B. 5%
   C. 10%
   D. 20%

2. About __________ % of photosynthesis is carried by terrestrial plants, while rest occurs in ocean, lakes, and ponds?

   A. 10%
   B. 20%
   C. 30%
   D. 40%

3. What percentage of light reaching the earth is used in photosynthesis?

   A. 25%
   B. 10%
   C. 5%
   D. 1%

4. Terrestrial plants carry out ________ of total photosynthesis on the earth?

   A. 10%
   B. 20%
   C. 50%
   D. None of these

   Submitted by: Muzaffar Ali

5. Mastication is carried out by__________?

   A. Teeth
   B. Tongue
   C. Smooth muscles
   D. All of these

6. Sperms released in water are carried to the mesenchyme in sponges by__________?

   A. Amoeboid cell
   B. Stipules
   C. Spicules
   D. Spines

7. The trioses which are intermediate in respiration and photosynthesis are_______________?

   A. Glyceraldehydes
   B. Dihydroxy acetone
   C. Both of these
   D. None of these

8. Which of the following manufactures carbohydrates by the process of photosynthesis?

   A. chloroplast
   B. chromoplast
   C. leucoplast
   D. All of these

   Submitted by: Muhammad Nawaz

9. Visible light used in photosynthesis ranges from:__________?

   A. 300 – 700 nm in wavelength
   B. 350 – 750 nm in wavelength
   C. 380 – 750 nm in wavelength
   D. 390 – 790 nm in wavelength.

10. In plants, which of the following is a waste product produced both during photosynthesis and respiration?

    A. CO2
    B. H2O
    C. O2
    D. Both A and B