Olympiad Class-7 Science Set-7
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Seeds of drumstick and maple are carried to long distances by wind because they possess
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The fusion of female reproductive nucleus with the male reproductive nucleus is known as
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Which of the following is similar to autogamy, but requires pollinators?
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The stalk of Datura flower at its base is known as
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In which of the following plants buds are present on the margins of leaves?
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24. A mass of nutritive material outside the embryo sac is called _____
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Functional megaspore in an angiosperm develops into
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Vegetative propagation in potato takes place by
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Lila observed that a pond with clear water was covered up with a green algae with in a week. By which method of reproduction did the algae spread so rapidly?
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Flowers with both androecium and gynoecium are called
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The processes of removal of waste materials from the body is called
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Embryo sac is located inside the
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The male reproductive parts of a flower, the stamens, are collectively known as
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The transfer of pollen from the anther to stigma is called
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The other name for gynoecium is
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The 'eye of the potato plant is what
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In yeasts reproduction occurs by
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Which of the following fruit is produced by parthenocarpy?
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Which of the following statements is correct?
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One nucleus of the pollen tube and secondary nucleus of the ovum grow into
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Generative nucleus divides forming
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The uric acid excreted by lizards is
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The process of formation of seeds without fertilization in flowering plants is known as
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Functional megaspore in a flowering plant develops into
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What is the function of the filiform apparatus?
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