EASY
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Why does binary fission happen in favourable conditions and multiple fission happens in unfavourable conditions in Amoeba?

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Important Questions on Reproduction in Organisms

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Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
Choose the correct statements related to binary fission of Paramecium?
(i) During favourable conditions Paramecium stops feeding after attaining its maximum growth.
(ii) At first the micronucleus divides by amitosis and the macronucleus divides into two daughter nuclei by mitosis.
(iii) The proter receives the anterior contractile vacuole, cytopharynx and cytostome from its parent individuals.
(iv) Before karyokinesis a transverse constriction appears in the middle of the body.
MEDIUM
Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
Which one of the statements regarding asexual reproduction is false?
MEDIUM
Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction

Statement I: The binary fission of Euglena is called homothetogenic fission because the daughter euglenae are like mirror images.
Statement II: Binary fission in Paramecium is known as perkinetal fission because it occurs at right angles to the kineties.

EASY
Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
Multiple fission in Amoeba is called:
EASY
Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction

Identify the asexual reproductive structure M'' in the following diagram:

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MEDIUM
Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
Zoospores are the reproductive units to carry asexual reproduction in
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Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
Zoospore is a:
MEDIUM
Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
Which of the following pairs is not correctly matched with respect to their mode of reproduction?
EASY
Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
Which one of the following is NOT a vegetative propagule in angiosperms?
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Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
Which group of lichens do NOT produce spores?
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Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
In the given options, which one cannot propagate by vegetative means?
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Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction

Match the following

  List-I   List-II
(A) Longitudinal binary fission (I) Paramoecium
(B) Transverse binary fission (II) Amoeba
(C) Sporogony (III) Pleurobrachia
(D) Sporulation (IV) Plasmodium
    (V) Euglena
MEDIUM
Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
Amoeba and yeast reproduce asexually by fission and budding respectively, because they are
EASY
Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
Asexual reproduction mainly takes place in
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Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
Potato tubers arise from 
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Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because
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Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
Binary fission is found in
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Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
Common method of asexual reproduction is by
MEDIUM
Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
There is no natural death in single-celled organisms like Amoeba and bacteria because
MEDIUM
Biology>Reproduction>Reproduction in Organisms>Asexual Reproduction
Identify the incorrect statement.