Download App

STD 11 - 13. Plant growth and development — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 13. Plant growth and development1 Mark
MCQ
Dormancy of seed is broken by
  • A
    Auxin
  • ✓
    Gibberellins
  • C
    Ethylene
  • D
    Cytokinin
✓

Answer

Correct option: B.
Gibberellins
b
(b)Aleurone layered $\alpha $-amylase promotes breaking of seed dormancy.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from STD 11 - 13. Plant growth and development→STD 11 - 13. Plant growth and development — all question types→BIOLOGY STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Which one of the following statements regarding starch and cellulose is not correct?
→
ATP is synthesized in which part of mitochondria
→
Which of the following defines the functions of autonomic nervous system?
→
What amount of energy is released from glucose during lactic acid fermentation?
→
Which of the following is not the feature of gymnosperms
→
The closely related morphologically similar sympatric populations, but reproductively isolated, are designated as:
→
The plasmid:
→
The empirical formula of chlorophyll a is:
→
Which is incorrect about compound epithelium tissue ?
→
Lymphatic system is made:
→