EASY
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Which of the following statements is incorrect with respect to external fertilisation?

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Important Questions on Modes of Reproduction

EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Define amphimixis.
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Chose the incorrect statement of gamete transfer.
HARD
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
What is fertilization? Explain the double fertilization in the angiospermic plant with labelled diagram.
HARD
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Write the three points of difference between oviparous and viviparous animals.
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
In some plants, the female gamete develops into embryo without fertilization. This phenomenon is known as
HARD
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Differentiate between asexual and sexual reproduction.
MEDIUM
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Mosses and frogs both need water as a medium for fertilization. Where does the syngamy occur and how is it ensured in both these organisms?
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which of the following plants is monoecious?
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which one of the following does NOT represent asexual reproduction?
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Strobilanthus kunthiana flowers once in _______
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which one of the following shows isogamy with non-flagellated gametes?
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which is the most common mechanism of genetic variation in the population of sexually-reproducing organism?
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction

Match the following:

  List - I   List - II
A) Isogamy I) Vorticella
B) Anisogamy II) Plasmodium
C) Hologamy III) Monocystis
D) Conjugation IV) Amoeba
    V) Trichonympha

The correct match is

EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Extrusion of second polar body from egg nucleus occurs
MEDIUM
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Morphologically and Physiologically similar and usually motile and flagellated gametes are known as_____and its correct example is _____.
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Select the correct option for seasonal breeders.
MEDIUM
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which of the following sets is hermaphrodite?
HARD
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which of the following flowers only once in its life-time?
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which one of the following generates new genetic combinations leading to variation?
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which of the following animal is not viviparous?