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

Related Mcqs:

1. 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.

2. Gibberellins is an example of_________________?

   A. Growth inhibitor
   B. Growth stimulator
   C. Growth hormone
   D. None of these

3. Far-red light promotes flowering in_______________?

   A. Short day plant
   B. Long day plant
   C. Day neutral plant
   D. None of these

4. Non flowering plants are also called plant_________?

   A. coniferous
   B. Abortic
   C. Green
   D. None of these

   Submitted by: Kanjumanan

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

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

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

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

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

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

8. 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

9. Which of the following is used in brewing industry to promote malting_______________?

   A. Gibberellins
   B. Cytokinins
   C. Auxins
   D. Abscisic Acid

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

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