Vernalization is the promotion of flowering by applying low temperature to
a) leaves
b) seeds
c) whole plant
d) spores
Explanation: buds in case of grafting and cutting
EXERCISE:
The thick walled dead cells like tracheid and vessels are included in…….
a) parenchyma
b) schlerenchyma
c) collenchyma
d) none of thesea
The increase in thickness of the plant due to the activity of the cambium is called…
a) primary growth
b) secondary growth
c) tertiary growth
d) none of these
The movement restricted to bifacial organs like the leaves and petals of flower is the………
a) tactic movement
b) nastic movement
c) tropic movement
d) none of these
In plants, regions of continuous growth are made up of…….
Adermal tissue
b) vascular tissue
c) meristematic tissue
d) permanent tissue
