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

Related Mcqs:

1. Which of the light is mainly absorbed by the plants?

   A. Orange
   B. Red
   C. Green
   D. Both A and B

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

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

3. Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering______________?

   A. Gibberellins
   B. Cytokinins
   C. Auxins
   D. Ethene.

4. Gibberellins may be substituted for ___________ light, therefore promote flowering in long day plants?

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

5. There are __________ types of nutrients needed by plants besides light to carry out photosynthesis

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

6. Epiphytes are plants which depend on other plants for________?

   A. food
   B. mechanical support
   C. shade
   D. None of these

   Submitted by: Tauqeer Ahmad Rajput

7. Of the following, which one light – gathering?

   A. Antenna complex
   B. Reaction centre
   C. Photosystem
   D. None of these

8. In which of the following pigments major energy reserves and cell wall are like plants?

   A. Rhodophyta
   B. Chlorophyta
   C. Phaeophyta
   D. Chrysophyta

9. Which of the following statement about plants is incorrect?

   A. All are eukaryotes
   B. They are multicellular.
   C. Non-motile organisms
   D. They Are heterotrophes

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