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Single Choice Type
(I) In geometrical growth, following mitotic cell division, only one daughter cell continues to divide while the other differentiates and matures.
(II) Ethylene is used to initiate flowering and for synchronising fruit-set in pineapples.
(III) Gibberellins stimulate the closure of stomata and help seeds to withstand desiccation.
(IV) Plants which require the exposure to light for a period exceeding a well defined critical duration are called long day plants.
(V) Flowering in certain plants depends not only on a combination of light and dark exposures but also their relative durations.
How many statement(s) are correct;
(1) 1
(2) 2
(3) 3
(4) All are correct
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