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What do you mean by binary fission?

Important Questions on How do Organisms Reproduce

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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms
Multiple fission in Amoeba is called:
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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms
Which of the following pairs is not correctly matched with respect to their mode of reproduction?
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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms

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.

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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms
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.
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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms

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
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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms
Amoeba is called immortal because it does not undergo natural death.
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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms
A bacterium divides after every 35 min, if a culture containing 105 cells per mL is grown, then cell concentration per mL after 175 min will be
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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms
There is no natural death in single celled organisms like Amoeba and bacteria because
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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms
Asexual method of reproduction by binary fission is common to which of the following?
i. Some eukaryotes
ii. All eukaryotes
iii. Some prokaryotes
iv. All prokaryotes
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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms
A bacterium divides every 35 minutes. If a culture containing 105 cells/mL is grown for 175 minutes, what will be the cell concentration/mL after 175 minutes?
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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms

Read the following statements and choose the correct option:

Statement I: During unfavourable conditions, the Amoeba develops a single-layered cyst wall.

Statement II: Encysted Amoeba divides through binary fission during unfavourable conditions.

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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms
What is plasmotomy ? Give two examples on it.
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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms
A bacterium divides in every 20 min. If a culture containing 105 cells/ml is grown for 2 hours then what will be the number of cells in the culture ?
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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms
Match the items in column I with column II and choose the correct option
Column I Column II
A. Binary fission 1. Algae
B. Zoospore 2. Amoeba
C. Conidium 3. Hydra
D. Budding 4. Penicillium
E. Gemmules 5. Sponge
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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms
Match column I with column II and select the correct option from the codes given below.
  I   II
(a) Planaria (i) Binary fission
(b) Fungi (ii) Asexual spores
(c) Yeast (iii) Budding
(d) Amoeba (iv) True regeneration
    (v) Fragmentation
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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms

Explain with examples types of asexual reproduction in unicellular organism.

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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms
Study the given figures representing the process of binary fission in Amoeba.
Arrange the figures in the correct sequence and select the correct answer.
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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms
Refer to the given figures which show three different types of fission. Select the option which correctly matches them with the organism in which they occur.
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Science>Biology>How do Organisms Reproduce>Asexual Reproduction in Organisms

Strobilsation is