MCQ Questions on Reproduction in Flowering Plants

MCQ Questions on Reproduction in Flowering Plants

1. Flowers with both androecium and gynoecium are called
(a) Bisexual flowers
(b) Anther
(c) Stamens
(d) Unisexual flowers

Answer

Answer: (a) Bisexual flowers


2. The transfer of pollen from the anther to stigma is called
(a) Pollination
(b) Fertilization
(c) Adoption
(d) Diffusion

Answer

Answer: (a) Pollination


3. The fusion of female reproductive nucleus with the male reproductive nucleus is known as
(a) Adoption
(b) Excretion
(c) Fertilization
(d) Regeneration

Answer

Answer: (c) Fertilization


4. 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

Answer: (a) Tube nucleus and a generative nucleus


5. Generative nucleus divides forming
(a) 2 male nuclei
(b) 3 male nuclei
(c) 2 female nuclei
(d) 3 female nuclei

Answer

Answer: (a) 2 male nuclei


6. Embryo sac is located inside the
(a) Stigma
(b) Ovule
(c) Micropyle
(d) Style

Answer

Answer: (b) Ovule


7. One nucleus of the pollen tube and secondary nucleus of the ovum grow into
(a) Stigma
(b) Endosperm
(c) Anther
(d) Stamen

Answer

Answer: (b) Endosperm


8. The stalk of Datura flower at its base is known as
(a) Pedicel
(b) Corolla
(c) Sepals
(d) Thalamus

Answer

Answer: (a) Pedicel


9. The male reproductive parts of a flower, the stamens, are collectively known as
(a) Androecium
(b) Filament
(c) Anther
(d) Gynoecium

Answer

Answer: (a) Androecium


10. The other name for gynoecium is
(a) Pistil
(b) Stigma
(c) Androecium
(d) Style

Answer

Answer: (a) Pistil


11. Functional megaspore in a flowering plant develops into
(a) Endosperm
(b) Ovule
(c) Embryo-sac
(d) Embryo

Answer

Answer: (c) Embryo-sac


12. Which of the following is similar to autogamy, but requires pollinators?
(a) Geitonogamy
(b) Cleistogamy
(c) Apogamy
(d) Xenogamy

Answer

Answer: (a) Geitonogamy


13. 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

Answer: (a) Guide the entry of pollen tube


14. A mass of nutritive material outside the embryo sac is called _____
(a) Protoplasm
(b) Pericarp
(c) Ectoderm
(d) Perisperm

Answer

Answer: (d) Perisperm


15. 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

Answer: (c) Tapetum nourishes the developing pollen


16. Which of the following fruit is produced by parthenocarpy?
(a) Brinjal
(b) Apple
(c) Banana
(d) Jackfruit

Answer

Answer: (c) Banana


17. The process of formation of seeds without fertilization in flowering plants is known as
(a) Budding
(b) Apomixis
(c) Sporulation
(d) Somatic hybridization

Answer

Answer: (b) Apomixis


18. Functional megaspore in an angiosperm develops into
(a) Endosperm
(b) Embryo
(c) Embryo-sac
(d) Ovule

Answer

Answer: (c) Embryo-sac


19. Rewards and attractants are required for
(a) Entomophily
(b) Cleistogamy
(c) Anemophily
(d) Hydrophily

Answer

Answer: (a) Entomophily


20. A dioecious flowering plant prevents
(a) Geitonogamy and xenogamy
(b) Autogamy and xenogamy
(c) Autogamy and geitonogamy
(d) Cleistogamy and xenogamy

Answer

Answer: (c) Autogamy and geitonogamy


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