CBSE 11th Standard Biology Subject Plant Growth and Development Ncert Exemplar 2 Marks Questions With Solution 2021
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CBSE 11th Standard Biology Subject Plant Growth and Development Ncert Exemplar 2 Marks Questions With Solution 2021
11th Standard CBSE
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Reg.No. :
Biology
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The rice seedlings infected with fungus Gibberella fujikuroi is called foolish seedlings ? What was the reason behind it?
(a) -
Light plays an important role in the life of all organisms. Name any three physiological processes in plants which are affected by light.
(a) -
Some varieties of wheat are known as spring wheat, while others are called winter wheat. The former variety is sown and planted in spring and is harvested by the end of the same season. However,latter one if planted in spring, fails to flower or produce mature grains within a span of a flowering season. Explain Why?
(a) -
Plant Growth Substances have practical applications. Name the PGS we should use
a) To increase yield of sugarcane.
b) Promote the lateral shoot growth
c) Cause sprouting of potato tuber
d) Inhibit seed germination(a) -
Where are the following hormones synthesised in plants?
(i) IAA
(ii) Gibberellin(a)
2 Marks
