Sexual Reproduction in Flowering Plants Set 3

All India Pre Medical Test (AIPMT)

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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Sexual Reproduction in Flowering Plants Set 3

Q1 | The innermost layer of the wall of microsporangium is called
  • Endothecium
  • Endodermis
  • Tapetum
  • Intine
Answer: Tapetum
Q2 | Pollen grains represent
  • The future sporophyte
  • The sporophyte
  • The gametophyte
  • The male gametophyte
Answer: The male gametophyte
Q3 | Tapetum provides
  • protection to embryo
  • Nourishment to pollen grains
  • Nourishment to embryo
  • Protection to endosperm
Answer: Nourishment to pollen grains
Q4 | In triple fusion, how many male gamete participate ?
  • 1
  • 2
  • 3
  • 4
Answer: 1
Q5 | Germpores are actually
  • Apertures in intine
  • Thick area in intine
  • Apertures in exine
  • Thin area in intine
Answer: Apertures in exine
Q6 | Radicle tip is derived from
  • Suspensor
  • Proembryo
  • Basal cell
  • Hypophysis
Answer: Hypophysis
Q7 | How many haploid nuclei are involved in double fertilization ?
  • Four
  • Two
  • Five
  • Three
Answer: Five
Q8 | Endothecium in anther helps in
  • Dehiscence of anther
  • Nutrition to pollen
  • Germination of pollen
  • Formation of male gamete
Answer: Dehiscence of anther
Q9 | The intine of a pollen grain is made up of
  • Lignin and suberin
  • Pectin and cellulose
  • Lignin and Hemicellulose
  • Pectin and callose
Answer: Pectin and cellulose
Q10 | Which is the most resistant natural organic material ?
  • Cellulose
  • Pectin
  • Suberin
  • Sporopollenin
Answer: Sporopollenin
Q11 | Style is
  • a is delicate hollow tube
  • a tough hollow tube
  • a delicate filament
  • called pollen tube
Answer: a delicate filament
Q12 | Nucellus is mass of
  • Parenchymatous tisse
  • Sclerenchymatous tissue
  • Meristematic tissue
  • Collenchymatous tissue
Answer: Parenchymatous tisse
Q13 | Which one of the following is the example of mitosis ?
  • Megasporongensi
  • Microsporogensis
  • Pollen formation
  • Division of generative cell
Answer: Microsporogensis
Q14 | Typical anther normally consists of
  • One lobe Four sporangia
  • Two lobe Two sporangia
  • Two lobe Four sporangia
  • One lobe Two sporangia
Answer: Two lobe Four sporangia
Q15 | During the development of monosporic development of embryo sac the nucleus of the functional megaspore divides
  • Two time
  • Three times
  • One time
  • Repeatedly
Answer: Three times
Q16 | Cross pollination has an advantage of
  • Mutatio
  • polyploidy formation
  • Genetic recombination
  • Crossing over
Answer: Genetic recombination
Q17 | Unisexual flowers prevent
  • Pollination
  • Breeding
  • Self-pollination
  • Cross fertilization
Answer: Self-pollination
Q18 | The functionof the filiform apparatus is
  • To nourish the pollen grain
  • To guide the entry of pollen tube
  • To develop pollen tube
  • To carry pollen tube through style
Answer: To guide the entry of pollen tube
Q19 | Which one of the following is an example of free-nuclear endosperm
  • Coconut water
  • Castor
  • Sugarcane juice
  • Groundnut
Answer: Coconut water
Q20 | The protective cover of the radicle in maize seed is called
  • Micorhiza
  • Coleptile
  • Scutelum
  • Coleorhiza
Answer: Coleorhiza
Q21 | In angiosperm the endosperm is formed
  • In the nucellu
  • In the embryo sac
  • In the seed
  • In the anther
Answer: In the embryo sac
Q22 | Stamen show homology with
  • Gametophyte
  • male cone
  • Microsporophyll
  • Sporangium
Answer: Microsporophyll
Q23 | The pedicel of the female flower coils after pollination in
  • Lotu
  • Hydrilla
  • Vallisneria
  • Trapa
Answer: Vallisneria
Q24 | The arrangement of the ? haploid nuclei in the normal dicot embryo sac is
  • 2 + 3 + 3
  • 2 + 3 + 2
  • 3 + 3 + 2
  • 3 + 2 + 3
Answer: 2 + 3 + 2
Q25 | In the flowering plants, male and female gametes both are
  • Motile
  • Non-motile
  • Diploid
  • Very large
Answer: Non-motile
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