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WorksheetsPlant Growth and DevelopmenT- Quiz 4
Total questions: 10
Worksheet time: 4mins
Which one includes growth promoters?
Auxin, Cytokinin, ABA
GA, Cytokinin, C2H4
C2H4, ABA
Auxin, Cytokinin, GA
Which one include growth inhibitors?
ABA, Cytokinin
GA, IAA
ABA, C2H4
None
The hormone responsible for phototropism is –
Auxin
C2H4
ABA
GA
The phenomenon of apical dominance is strengthened by –
Removal of the tip
Removal of leaves
Auxin production
Production of fruits
If a shoot cutting is treated with auxin, which of the following is likely to result?
Extensive root production
Suppression of apical dominance
Growth of lateral buds
Bolting of the shoot
Go through the following statements –
I. Promotes flowering in pineapple
II. Used to prepare weed free lawn
III. Promotes the abscission of older mature leaves and fruits
The above functions are carried out by –
GA
C2H4
ABA
Auxin
Which GA was the first Giberrellin to be discovered?
GA1
GA2
GA3
GA4
Gibberellins have many effects. Which one of the following is not an effect of gibberellins in plants?
Bolting
Delay senescence
Increase the grapes stalk
Induces dormancy
The fruits can be left on the tree longer so as to extend the market period. This is due to which function of GA?
Bolting
Delay senescence
Internodal elongation
Parthenocarpy
Which of the following hormones causes fruits like apple to elongate and improve its shape –
GA
ABA
NAA
2, 4 D
