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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
High concentration of synthetic auxins would
  • A
    Kill plants
  • ✓
    Prevent lateral buds to grow
  • C
    Control cell division
  • D
    Cause photoperiodism
✓

Answer

Correct option: B.
Prevent lateral buds to grow
b
(b)In many plants, the apical bud grows and the lower axillary buds are suppressed. Removal of apical bud results in the growth of lower buds. The auxin $(IAA)$  of the terminal bud inhibits the growth of lateral buds.

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