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Which of the following is incorrect for pollen grains?

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Important Questions on Sexual Reproduction in Flowering Plants

EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
The ovule of an angiosperm is technically equivalent to
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Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Which of the following are the important floral rewards to the animal pollinators?
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Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Which one of the following may require pollinators, but is genetically similar to autogamy?
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Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by
HARD
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Which one of the following statements is not true?
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Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
In the majority of angiosperms:
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Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Which one of the following statements is not true?
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Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Geitonogamy involves
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Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Filiform apparatus is characteristic features of:
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Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Male gametophyte in angiosperms produces :
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Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Functional megaspore in an angiosperm develops into:
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Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Pollen grains can be stored for several years in liquid nitrogen having a temperature of
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Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Attractants and rewards are required for:
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Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Pollination in water hyacinth and water lily is brought about by the agency of:
HARD
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
A dioecious flowering plant prevents both:
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Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Pollen tablets are available in the market for:
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Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Function of filiform apparatus is to:
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Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
In Angiosperms, microsporogenesis and megasporogenesis:
MEDIUM
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Which of the following statements is not correct?
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Study the following statements:
l) Pollen grains of many species cause severe allergies and bronchial afflictions in some people often leading to chronic respiratory disorders.
II) Pollen grains are rich in nutrients.
III) Carrot grass that came into India as a contaminant with imported rice. Choose the option for the correct statements: