Of the following, which one light – gathering?

Related Mcqs:

1. Which of the following light is least absorbed by the plants?

   A. Orange
   B. Red
   C. Blue
   D. Green

2. Which Vitamin is needed for the formation of a light-sensitive pigment in the retina.

   A. Vitamin A
   B. Vitamin C
   C. Vitamin D
   D. B complex

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

   A. CO2
   B. O2
   C. Water
   D. Nutrients

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

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

5. PS I has chlorophyll a molecule which absorbs maximum light of _________ nm ?

   A. 600
   B. 650
   C. 680
   D. 700

6. 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.

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

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

8. Light reaction takes place on/in____________?

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

9. Photosystem II has molecules which absorbs maximum light of___________?

   A. 680 nm
   B. 100 m
   C. 700 nm
   D. 670 nm

10. _________ is a condition characterized by an abnormal inability to see in dim light or at night.

    A. Nyctalopia
    B. Myopia
    C. Hyperopia
    D. All of the above

    Submitted by: Naveed Tahir