Auxin was isolated by
Charles Darwin
Francis Darwin
FW Went
de Vries
Related Questions
Ageing is retarded by
Antioxidant supplementation
Caloric restriction and regular exercise
Hormone replacement therapy
Regular exposure to sunlight
โApical dominanceโ in plants is the result of
Cytokinin
Auxin
Gibberellin
Ethylene
Which one of the following acids is a derivative of carotenoids?
Indole-butyric acid
Indole-3 acetic acid
Gibberellic acid
Abscisic acid
I. More female flowers in cucumber
II. ฮฑ-amylase production is barley grain
III. Acceleration of fruit ripening in tomato
IV. Delayed in sprouting in potato tubers
From the given effects find, out the effects of ethylene and choose the correct option accordingly
I, III and IV
I, II and IV
II, III and IV
I, II and III
Prunning of plants promotes branching because the axillary buds get sensitized to
Ethylene
Gibberellin
Cytokinin
Indole acetic acid
Fruits can be left on the tree longer, so as to increase the market period. This is due to the function of
Delay senescence by auxin
Delay senescence by
Delay senescence by cytokinin
Delay senescence by GA
Besides the Avena curvature test, which of the following can also be used to bioassay auxin?
Seed germination rate
Flowering time
Root elongation inhibition
Fruit ripening rate
Beta vulgaris is a
Short day plant
Long day plant
Day neutral plant
Intermediate day
Decapitation (shoot tip removal) is widely used in
Blotting
Hedge making
Tea plantation
Both (b) and (c)
Which hormone is responsible for apical growth?
IAA
ABA
GA
All of these
