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Earn 100

Curvature of ovule is more and embryo sac becomes horse shoe shaped in

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Important Questions on Sexual Reproduction in Flowering Plants

MEDIUM
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IMPORTANT

Match the following columns, and select the correct option.

Column – I Column – II
(a) Anemophily (i) Zostera
(b) Epihydrophily (ii) Amorphophallus
(c) Hypohydrophily (iii) Wheat
(d) Entomophily (iv) Vallisneria
MEDIUM
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Identify the statements that are true for anemophilous flowers.

(a) Pollen grains are light and sticky.

(b) They possess large feathery stigma.

(c) They are not very colorful and do not produce nectar.

(d) They have many ovules in each ovary.

HARD
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IMPORTANT

How many of the following characteristics of flowers favour pollination by insect?

Brightly colored scanty flowers, presence of nectaries, sticky pollens, feathery stigma, foul odor, winged pollen, mucilaginous covering around pollen grains

MEDIUM
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Outbreeding device which prevents both autogamy and geitonogamy is
MEDIUM
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Contrivance for self-pollination/autogamy is
EASY
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Polyembryony results the formation of many
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Which form of asexual reproduction mimics sexual reproduction?
EASY
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The formation of a seedless fruit is due to: