Multiple Choice QuestionsWhich of the following is not caused by deficiency of mineral?
Chlorosis
Etiolation
Shortening of internodes
Necrosis
In which one pair both the plants can be vegetatively propagated by leaf pieces?
Bryophyllum and Kalanchoe
Chrysanthemum and Agave
Agave and Kalanchoe
Asparagus and Bryophyllum
Auxin in plant means for
cell elongation
fruit ripening
cell division
inhibit the root growth
A.
cell elongation
Auxins induce cell elongation. IAA is true auxin hormone. Auxins are generally acidic in nature.
Ethylene is responsible for ripening of fruits.
Cytokinin is the hormone responsible for cell division as it stimulates the metabolism and the formation of flowers on side shoots.
Pencils are prepared from the wood of
Pinus vinaster
Juniperus virginiana
Chamaecyparis piscifera
Abies pindrow
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