Download App

Plant Growth and Development — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYPlant Growth and Development1 Mark
MCQ
Natural cytokinins are synthesized in tissues for:
  • A
    Differentiating
  • B
    Senescent
  • C
    Dividing
  • D
    Storing food
✓

Answer

  1. Dividing

Explanation:

Cytokinin is a naturally occurring plant growth hormone (PGR) extracted from coconut milk.

Cytokinins are synthesized in root apex, endosperm of seeds, and young fruits where cell division takes place continuously.

They stimulate cell division, cell enlargement and cell differentiation and also prevent ageing of plant parts.

Hence, natural cytokinins are synthesized in tissues for dividing.

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→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

A chemosensitive area is situated adjacent to the rhythm centre in the brain. This area is highly sensitive to
→
The four elements making 99% of living system are:
→
Vessels differ from tracheids.
→
Which is not a stem modification
→
Lateral branches of stem are originated from
→
What happens to the growth of roots during water logging conditions?
→
The thoracic chamber is formed of ........
→
In the respiratory process, energy is released and is used to synthesise energy rich molecules of $ATP$ from $ADP$ , thereby storing energy for future use. This process of output of these molecules in the aerobic phase is known as
→
AIDS is caused by HIV that principally infects.
→
Root hairs are found
→