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Sexual Reproduction in Flowering Plants MCQs | Sexual Reproduction in Flowering Plants Objective Type Questions and Answers

(1) The removal of anthers from female flower in artificial hybridisation is called as
[A] Bagging
[B] Rebagging
[C] Emasculation
[D] None of these
Answer: Emasculation
(2) Name the type of pollination in which genetically different types of pollen grains of the same species land on the stigma.
[A] Xenogamy
[B] Geitenogamy
[C] Autogamy
[D] Parthenocarpy
Answer: Xenogamy
(3) Name the type of tissue present in the fertilised ovules of an Angiospermic plants that supplies food and nourishment to the developing embryo is
[A] Tapetum
[B] Endosperm
[C] Sporogeous tissue
[D] Synergids
Answer: Endosperm
(4) Flowers with both androecium and gynoecium are called
[A] Bisexual flowers
[B] Anther
[C] Stamens
[D] Unisexual flowers
Answer: Bisexual flowers
(5) The transfer of pollen from the anther to stigma is called
[A] Pollination
[B] Fertilization
[C] Adoption
[D] Diffusion
Answer: Pollination
(6) The fusion of female reproductive nucleus with the male reproductive nucleus is known as
[A] Adoption
[B] Excretion
[C] Fertilization
[D] Regeneration
Answer: Fertilization
(7) The two nuclei at the end of the pollen tube are called
[A] Tube nucleus and a generative nucleus
[B] Sperm and ovum
[C] Generative nucleus and stigma
[D] Tube nucleus and sperm
Answer: Tube nucleus and a generative nucleus
(8) Generative nucleus divides forming
[A] 2 male nuclei
[B] 3 male nuclei
[C] 2 female nuclei
[D] 3 female nuclei
Answer: 2 male nuclei
(9) Embryo sac is located inside the
[A] Stigma
[B] Ovule
[C] Micropyle
[D] Style
Answer: Ovule
(10) One nucleus of the pollen tube and secondary nucleus of the ovum grow into
[A] Stigma
[B] Endosperm
[C] Anther
[D] Stamen
Answer: Endosperm
(11) The stalk of Datura flower at its base is known as
[A] Pedicel
[B] Corolla
[C] Sepals
[D] Thalamus
Answer: Pedicel
(12) The male reproductive parts of a flower, the stamens, are collectively known as
[A] Androecium
[B] Filament
[C] Anther
[D] Gynoecium
Answer: Androecium
(13) The other name for gynoecium is
[A] Pistil
[B] Stigma
[C] Androecium
[D] Style
Answer: Pistil
(14) Functional megaspore in a flowering plant develops into
[A] Endosperm
[B] Ovule
[C] Embryo-sac
[D] Embryo
Answer: Embryo-sac
(15) Which of the following is similar to autogamy, but requires pollinators?
[A] Geitonogamy
[B] Cleistogamy
[C] Apogamy
[D] Xenogamy
Answer: Geitonogamy
(16) What is the function of the filiform apparatus?
[A] Guide the entry of pollen tube
[B] Recognize the suitable pollen at the stigma
[C] Produce nectar
[D] Stimulate division of the generative cell
Answer: Guide the entry of pollen tube
(17) A mass of nutritive material outside the embryo sac is called _____
[A] Protoplasm
[B] Pericarp
[C] Ectoderm
[D] Perisperm
Answer: Perisperm
(18) Which of the following statements is correct?
[A] Sporogenous tissue is haploid
[B] The hard outer layer of pollen is called intine
[C] Tapetum nourishes the developing pollen
[D] Microspores are produced by endothecium
Answer: Tapetum nourishes the developing pollen
(19) Which of the following fruit is produced by parthenocarpy?
[A] Brinjal
[B] Apple
[C] Banana
[D] Jackfruit
Answer: Banana
(20) The process of formation of seeds without fertilization in flowering plants is known as
[A] Budding
[B] Apomixis
[C] Sporulation
[D] Somatic hybridization
Answer: Apomixis

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