Download App

Plant Growth and Development — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYPlant Growth and Development1 Mark
MCQ
In short day plants, flowering is induced by.
  • A
    Long night.
  • B
    Short photoperiod and interrupted long night.
  • C
    Photoperiod less than $12$ hours.
  • ✓
    Photoperiod below a critical length and uninterrupted long night.
✓

Answer

Correct option: D.
Photoperiod below a critical length and uninterrupted long night.

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 Plant Growth and Development→Plant Growth and Development — all question types→BIOLOGY STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Coelom is cavity between alimentary canal and body wall enclosed by
→
Diffusion rate is affected by.
→
What is correct for phyllum which show bioluminescene?
→
One of the following does the same work as is done by nephridia in earthworm
→
Intercellular space is more in..
→
In Krebs cycle $\text{FAD}$ participates as electron acceptor during the conversion of:
→
Phloem parenchyma is absent in
→
The cells in this zone, attain their maximal size in terms of wall thickening and protoplasmic modifications.
→
Which of the following is a Prokaryote
→
Which of the following statements is a characteristic feature of chrysophytes?
→