Home
Class 12
BIOLOGY
Which statements are correct ? a - Cyt...

Which statements are correct ?
a - Cytokinins suppress the synthesis of chlorophyll
b - Auxins control apical dominance
c - Gibberellins promote shoot elongation
d - Abscisic acid enables seeds to with-stand desiccation.

A

a and b only

B

b and c only

C

a and c only

D

b, c and d only

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • Plant Growth and Movements

    DINESH PUBLICATION|Exercise CYG|14 Videos
  • Plant Growth and Movements

    DINESH PUBLICATION|Exercise BRAIN TEASERS-IV|41 Videos
  • Plant Growth and Movements

    DINESH PUBLICATION|Exercise BRAIN TEASERS-IV|41 Videos
  • PLANT BREEDING AND DISEASE CONTROL

    DINESH PUBLICATION|Exercise MCQ|244 Videos
  • PLATYHELMINTHES-THE FLAT WORMS

    DINESH PUBLICATION|Exercise check your grasp|9 Videos

Similar Questions

Explore conceptually related problems

The following statements are given about different plant growth hormones : I. Cytokinin suppresses the synthesis of chlorophyll. II. Auxins control apical dominance. III. Gibberellins promote shoot elongation. IV. Abscisic acid enables seeds to withstand desication. Which of the above statements are correct?

Morphogenesis in plants is controlled by: (a) Auxins (b) Gibberellins (c) Cytokinins (d) Abscisic acid Codes:

Pick up correct statements (A) Cytokinins delay senescence (B) Auxine regulate apical dominance (C) Ethylene enhances seed germination (D) Gibberellins cause falling of immature leaves.

Which of the following pair is correct? (A) Mn - formation of chlorophyll (B) P - required in meristematic tissues (C) Ca - formation of the mitotic spindle (D) Cu - synthesis of collagen

Which statement is correct ? (a) Degeneracy of code is related to, third mamber of codon (b) Single codon, codes for more than one amino acid (c ) In condon first two bass are more specific (d) In codons, thirs base is wobble (e) Code is universal

Read the given statements about auxins and state whether they are true or false : a. Auxin promotes apical dominance. b. Auxins have a negative impact on cytokinin levels. c. F.W went isolated auxins from the coleoptiles of the coleptiles of the oat plant. d. Auxin promotes flowering in the pineapple plants.

Select the activites associated with gibberellins (a) Apical dominance (b) Good herbicides (c) Promote bolting (d) Delay senescence (e) Stimulate closure of stomata.

Pick out the correct statements cytokinin specially help in delaying senescence (b) Auxdins are involved in regulatiing apical dominance ltbRgt (c ) Ethylene is especially useful in enhanching seed germination (d ) Gibberellins arae responsible for immature falling of leaves