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1.Sexual Reproduction in Flowering Plants
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Essential requirement for seed germination
A
${H_2}O$ and ${O_2}$
B
${O_2}$ and light
C
${H_2}O$ and high temperature
D
Scarification and vernalisation
Solution
(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.
Standard 12
Biology
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