Which of the light is mainly absorbed by the plants?

Related Mcqs:

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

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

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

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

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

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

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

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

5. 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.

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. Animals obtain carbohydrates mainly from___________?

   A. Glucose
   B. Starch
   C. Sucrose
   D. Glycogen

8. There are mainly __________ types of tRNA?

   A. 170
   B. 20
   C. 25
   D. 15

9. Chlorophylls mainly absorb _________ wavelengths?

   A. Orange – blue
   B. Violet – red
   C. Yellow – orange
   D. Orange – red.

10. ‘Mastectomy’ is mainly associated with which of these diseases?

    A. AIDS
    B. Breast Cancer
    C. Tuberculosis
    D. Blood Cancer

    Submitted by: Muhammad Zahid Javaid