Q. No.Flowering can be affected in certain plants
1. by quantitative exposure to low temperature
2. by qualitative exposure to low temperature
3. Both A and B
4. It does not depend on low temperature exposure
Vernalisation prevents
1. Precocious reproductive development late in growing season
2. Late reproductive development
3. Flowering
4. Fruiting
Vernalization is the process of
1. flower induction by high temperature treatment
2. inhabitation of flowering by low temperature treatment
3. flower induction by light treatment
4. acceleration of the ability of a plant to produce flowers by chilling treatment
What conditions are required for vernalisation in
plants?
1. Low temperature, CO2.
2. Low temperature, O2, leaf.
3. Optimum temperature, O2.
4. Low temperature, O2.
The spring varieties are normally planted in…...and come to flower and produce grain……
1. Autumn season, after the end of growing season
2. Spring season, at the end of growing season
3. Spring season, before the end of growing season
4. Autumn season, at the end of growing season
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