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STD 12 - 1. sexual reproduction in flowering plants — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 1. sexual reproduction in flowering plants1 Mark
MCQ
Essential requirement for seed germination
  • ✓
    ${H_2}O$ and ${O_2}$
  • B
    ${O_2}$ and light
  • C
    ${H_2}O$ and high temperature
  • D
    Scarification and vernalisation
✓

Answer

Correct option: A.
${H_2}O$ and ${O_2}$
a
(a) Water is primary importance in germination.

When seed protoplasm absorb the water, seed resumes vigourous physiological activities.

The embryo bursts through the seed coats. $O_2$ is also necessary for respiration and other physiological activities.

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