MEDIUM
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All pollen grains produced in one lobe of the anther fuse together to form a structure called pollinium in

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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
Which one of the following may require pollinators, but is genetically similar to autogamy?
MEDIUM
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Which of the following plants shows a very close relationship with a species of moth, where none of the two can complete their life cycle without the other?
EASY
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?
EASY
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:
EASY
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
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
The ovule of an angiosperm is technically equivalent to
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Which one of the following statements is not true?
HARD
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
A dioecious flowering plant prevents both:
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Filiform apparatus is characteristic features of:
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Male gametophyte in angiosperms produces :
EASY
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
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
Functional megaspore in an angiosperm develops into:
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
In the majority of angiosperms:
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Attractants and rewards are required for:
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Function of filiform apparatus is to:
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Geitonogamy involves
EASY
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
In Angiosperms, microsporogenesis and megasporogenesis:
HARD
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Which one of the following statements is not true?
HARD
Biology>Reproduction>Sexual Reproduction in Flowering Plants>Pre-Fertilization Events in Plants
Which of the following has proved helpful in preserving pollen as fossils?