Multiple Choice QuestionsThe hormone involved in the regulation of florigen synthesis is
ethylene
zeatin
cytokinin
gibberrellin
Statement I : Sugar beet, cabbage, carrot like plants are monocarpic.
Statement II : Both vernalisation and photoperiodism are related to flowering.
Statement I is correct, but Statement II is incorrect
Statement II is correct, but Statement I is incorrect.
Both statements are correct.
Both statements are incorrect.
C.
Both statements are correct.
Monocarpic plants flower only once in their life. These plants are generally annual biennial. They dies after flowering and fruiting e.g., sugar beet, cabbage, carrot, etc.
Veralisation is the process of inducing flowering by cold treatment and photoperiodism is the time period required for flowering. Thus, both the terms are related the flowering, but do not explain the assertion.
Fruit ripening is promoted by the hormone that also
promotes thinning of fruits in cherry and walnut
induce parthenocarpy in tomato
promote flowering in lemma
induce dormancy
The correct sequence of cellular growth stages is
division differentiation elongation
differentiation division elongation
division elongation differentiation
elongation differentiation division
Phototropic curvature in Avena coleoptile is the result of uneven distribution of
auxin
starch
gibberellins
phytochrome
Study of bakanae disease of rice led to discovery of
auxins
bakery rice
Both (a) and (b)
gibberellins
Equipment used for the measurement of growth in plants is known as
respirometer
auxanometer
atmometer
potometer
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