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Write a short note on longitudinal binary fission.

Important Questions on Locomotion and Reproduction

EASY
Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa
Rewrite the following statements by choosing the correct alternative:
_____ type of reproduction occurs in Hydra.
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Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa
Which of the following pairs is not correctly matched with respect to their mode of reproduction?
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Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa

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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Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa
Which group of lichens do NOT produce spores?
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Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa
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.
EASY
Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa
Multiple fission in Amoeba is called:
EASY
Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa

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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Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa
Amoeba is called immortal because it does not undergo natural death.
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Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa
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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Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa
There is no natural death in single celled organisms like Amoeba and bacteria because
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Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa
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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Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa
What is plasmotomy ? Give two examples on it.
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Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa
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 ?
HARD
Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa
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
HARD
Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa
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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Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa

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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Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa

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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Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa
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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Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa

Explain with examples types of asexual reproduction in unicellular organism.

HARD
Biology>Diversity in the Living World>Locomotion and Reproduction>Asexual Reproduction in Protozoa
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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