Gametogenesis Test

Gametogenesis

This is online test 01 for CBSE class 12 Biology Sexual Reproduction in Flowering Plants (Gametogenesis).. There are 10 questions in this test with each question having around four answer choices.

Questions & Answers

1
The phenomenon involved in formation of female gametophyte is known as
  • A
    Microsporogenesis
  • B
    None of these
  • C
    Multisporogenesis
  • D
    Megasporogenesis
    Correct
2
Which one shows meiosis
  • A
    Archesporium
  • B
    Anther
    Correct
  • C
    Pollen grain
  • D
    Root tips
3
The inner most wall layer of microsporangium is called as
  • A
    Endothecium
  • B
    Inner integuments
  • C
    Tapetum
    Correct
  • D
    Intine
4
What is the function of germ pore?
  • A
    Release of male gamete
  • B
    Emergence of radicle
  • C
    Absorption of water for seed germination
  • D
    Initiation of pollen tube
    Correct
5
The alternation of two different phases of the life cycle involving haploid and diploid stage is called
  • A
    Change of generation
  • B
    Alternation of generation
    Correct
  • C
    Change of saprophyte
  • D
    Alternation of life cycle
6
A mass of parenchymatous tissue forming the bulk of ovule is called
  • A
    Obturator
  • B
    Endosperm
  • C
    Female gametophyte
  • D
    Nucellus
    Correct
7
A typical angiosperm embryo sac at maturity is
  • A
    2 nucleate
  • B
    8 nucleate
    Correct
  • C
    4 nucleate
  • D
    7 nucleate
8
Inside the ovary the ovule is attached to placenta by means of-
  • A
    Chalaza
  • B
    Micropyle
  • C
    Helium
  • D
    Funicle
    Correct
9
The female gametophyte in angiosperm is :-
  • A
    Ovule
  • B
    Carpel
  • C
    Embryo sac
    Correct
  • D
    Egg
10
In ovule, archesporial cell differentiates from nucellus
  • A
    Middle of nucellus
  • B
    Laterally near endothelium
  • C
    At chalazal region
  • D
    Hypodermally in the micropylar region
    Correct