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Question
Distinguish between the following.
Binary fission and Multiple fission
Solution
| Binary fission | Multiple fission | |
| i) | Living cells divide to form two similar daughter cells. | Living cells divide into many daughter cells. |
| ii) | Cyst formation does not occur. | Cyst formation occurs. |
| iii) | Nucleus divides into two halves. | Nucleus divides into many nuclei. |
| iv) | It occurs in Amoeba under favourable conditions. | It occurs in Amoeba during unfavourable conditions. |
| v) | Examples: Amoeba, Paramecium | Example: Plasmodium |
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RELATED QUESTIONS
Yeast reproduces by _________.
(a) spore formation
(b) multiple fission
(c) fragmentation
(d) budding
Students were asked to observe the permanent slides showing different stages of budding in yeast under high power of a microscope.
(A) Which adjustment screw (coarse/fine) were you asked to move to focus the slides?
(B) Draw three diagrams in correct sequence showing budding in yeast.
Name two simple organisms having the ability of regeneration.
What is multiple fission?
Name one organism which exhibits multiple fission type of reproduction.
Name the type of asexual reproduction in which two individuals are formed from a single parent and the parental identity is lost. Draw the initial and the final stages of this type of reproduction. State the event with which this reproduction starts.
Name the following : 'Blobs' that develop at the tips of the non-reproductive threads in Rhizopus.
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..................... type of reproduction occurs in Hydra.
(a) Binary fission
(b) Multiple fission
(c) Budding
(d) Fragmentation
Most of the plants reproduce by sexual method. Name two plants which can reproduce asexually.
Name the asexual method of reproduction in yeast.
Name one organism which reproduces by binary fission and another which reproduces by multiple fission.
State whether the above named organisms are animals or plants.
Why does bread mould grow profusely on a moist slice of bread but not on a dry slice of bread?
What is yeast? Describe the process of reproduction in yeast with the help of labelled diagrams.
A simple multicellular animal having tentacles which lives in freshwater usually reproduces by the asexual process of :
(a) binary fission
(b) spore formation
(c) budding
(d) fragmentation
Spore formation is the most common asexual method of reproduction in :
(a) protozoa
(b) tubers
(c) fungi
(d) algae
An alga which reproduces by the asexual reproduction method called fragmentation is :
(a) Rhizopus
(b) Salmonella
(c) Plasmodium
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A tiny animal having tentacles which reproduces by growing buds on the sides of its body is :
(a) Planaria
(b) Yeast
(c) Amoeba
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Stock and scion are involved in the artificial propagation method known as :
(a) tissue culture
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(c) grafting
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When a moist slice of bread was kept aside for a few days then some organism grew on it to form a white cottony mass which later turned black. When this slice of bread was observed through a magnifying glass, then fine thread-like projections and thin stems having bulb-like structures at the top were seen.
(a) What is the common name and scientific name of the organism which grew on the moist slice of bread?
(b) How did this organism grow on the moist slice of bread automatically?
(c) What are the fine, thread-like projections on the surface of slice of bread known as?
(d) What name is given to the knob-like structures and what do they contain?
(e) What is the name of this method of reproduction?
(f) Name one unicellular organism which reproduces by this method.
(g) Name tow non-flowering plants which reproduce by this method.
Fill in the blank:
Yeast cells reproduce by ________.
Fill in the blank:
Amoeba reproduces by _________.
Fill in the blank:
Binary fission produces cells of ________ size.
Mention the common method of reproduction in Strawberry.
Mention the common method of reproduction in Rose.
Mention the common method of reproduction in Jasmine.
Explain the process of budding in Hydra.
What is vegetative propagation? List with brief explanation three advantages of practising this process for growing some types of plants. Select two plants from the following which are grown by this process:
Banana, Wheat, Mustard, Jasmine, Gram.
After viewing different slides, a student draws following diagrams. Select the one which depicts binary fission in Amoeba:
(A) a
(B) b
(C) c
(D) d
Binary fission is observed in which one of the following figures?
Write the correct option from the given multiple options.
Vegetative propagation is performed with the help of ..........................in sweet potato.
a) root
b) stem
c) leaf
d) flower.
Why is chemical communication better than electrical impulses as a means of communication between cells in a multi-cellular organism?
Name four plants which can be propagated by root-cutting
Name the parts of the plants used to grow following flower: Rose
This method of asexual reproduction is seen in paramoecium.
Define.
Vegetative propagation
Identify the type of reproduction from the following explanation and draw a neat and labelled diagram.
- The body of the parent organism breaks up into many fragments and each fragment starts to live as an independent new organism.
- Give two examples of living organisms which follow this type of reproduction method.
Asexual reproduction in yeast is ______.
Budding, in hydra, is a form of ______.
______ do not produce spores.
Offspring formed by asexual method of reproduction have greater similarity among themselves because
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- asexual reproduction does not involve gametes
- asexual reproduction occurs before sexual reproduction
- asexual reproduction occurs after sexual reproduction
Rajesh observed a patch of greenish black powdery mass on a stale piece of bread.
Name the organism responsible for this and its specific mode of asexual reproduction.
In an asexually reproducing species, if a trait X exists in 5% of a population and trait Y exists in 70% of the same population, which of the two trait is likely to have arisen earlier? Give reason.
Which one of the following pairs is wrongly matched while the remaining three are correct?
Vegetative reproduction of Agave occurs through ______.
Methods of asexual reproduction in lower organisms include ______
In the figure given below the plant bears two different types of flowers marked ‘A’ and ‘B’. Identify the types of flowers and state the type of pollination that will occur in them.
What is Regeneration?
