The ovule of an angiosperm is technically equivalent to

(1) megasporangium

(2) megasporophyll

(3) megaspore mother cell

(4) megaspore

Subtopic:  Pistil: Ovule |
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Megasporangium is equivalent to

(1) embryo sac

(2) fruit

(3) nucellus

(4) ovule

Subtopic:  Pistil: Ovule |
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Which one of the following may require pollinators, but is genetically similar to autogamy?

(1) Geitonogamy

(2) Xenogamy

(3) Apogamy

(4) Cleistogamy

Subtopic:  Pollination & Outbreeding Devices |
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Flowers, which have single ovule in the ovary and are packed into inflorescence are usually pollinated by

(1) water

(2) bee

(3) wind

(4) bat

Subtopic:  Pollination & Outbreeding Devices |
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Functional megaspore in an angiosperm develops into

(1) ovule

(2) endosperm

(3) embryo sac

(4) embryo

Subtopic:  Pistil: Female Gametophyte |
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The morphological nature of the edible part of coconut is

(1) perisperm

(2) cotyledon

(3) endosperm

(4) pericarp

Subtopic:  Endosperm |
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Attractants and rewards are required for

(1) anemophily

(2) entomophily

(3) hydrophily

(4) cleistogamy

Subtopic:  Pollination & Outbreeding Devices |
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In majority of angiosperms

(1) egg has a filiform apparatus

(2) there are numerous antipodal cells

(3) reduction division occurs in the megaspore mother cells

(4) a small central cell is present in the embryo sac

Subtopic:  Pistil: Female Gametophyte |
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Pollination in water hyacinth and water lily is brought about by the agency of

(1) water

(2) insects or wind

(3) birds

(4) bats

Subtopic:  Pollination & Outbreeding Devices |
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Which one of the following statements is not true?

(1) Exine of pollen grains is made up of sporopollenin

(2) Pollen grains of many species cause severe allergies

(3) Stored pollen in liquid nitrogen can be used in the crop breeding programmes

(4) Tapetum helps in the dehiscence of anther

Subtopic:  Stamen: Anther |
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