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lucky the biologist
Feb 17, 20221 min read
What is a clone ? Why do off springs formed by asexual reproduction exhibit remarkable similarity ?
The new organisms produced by one parent through asexual reproduction (which are genetically identical to the parent) are called clones....
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lucky the biologist
Feb 17, 20221 min read
Can you consider cell division as a type of reproduction in unicellular organisms ? Give reason.
Yes, because it leads to the formation two daughter cells.
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lucky the biologist
Feb 17, 20221 min read
What is meant by the term ‘fission’ as used in biology ?
Fission means the splitting of an organism into two new organisms.
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lucky the biologist
Feb 17, 20221 min read
Describe the layering method for the artificial propagation of plants. Illustrate answer by diagram?
Layering – In this method, a branch of the plant is pulled towards the ground and the part of it is covered with moist soil leaving the...
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lucky the biologist
Feb 17, 20221 min read
Name two plants which are usually propagated by artificial propagation methods.
(i) Rose grows by means of cutting. (ii) Jasmine grows by layering
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lucky the biologist
Feb 17, 20221 min read
Name three common methods which are used for the artificial propagation of plants.
The methods used for artificial propagation of plants are: (i) Cutting (ii) Layering and (iii) Grafting
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lucky the biologist
Feb 17, 20221 min read
What is meant by the term ‘artificial propagation of plants’ ?
The process of growing many plants from one plant by man-made methods is called artificial propagation of plants.
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lucky the biologist
Feb 17, 20221 min read
Explain vegetative propagation with two examples. List two advantages of vegetative propagation?
In vegetative propagation, new plants are obtained from the parts of old plants (stems, roots and leaves), without the help of...
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lucky the biologist
Feb 17, 20221 min read
why, more complex multicellular organisms cannot give rise to new organisms through regeneration?
In complex multicellular organisms, specialized cells makeup tissues; tissues makeup organs; organs makeup organs systems and finally...
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lucky the biologist
Feb 17, 20221 min read
What is meant by regeneration? Name two animals which can regenerate fully from their cut body part?
The process of getting back a full organism from its body parts is called regeneration. The two animals which can regenerate fully from...
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lucky the biologist
Feb 17, 20221 min read
Identify the mode of reproduction ?Amoeba, Cats, humans, hydra, birds?
(i) Sexual Method: Cats, Humans, birds. (ii) Asexual method: Amoeba, Hydra.
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lucky the biologist
Feb 17, 20221 min read
What is the basic difference between asexual reproduction and sexual reproduction ?
Asexual Reproduction (i) The offspring arises from a single parent. (ii) The production of new organism does not involve gametes...
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lucky the biologist
Feb 17, 20221 min read
Fill in the following blanks with suitable words :
(a) The process of………ensures continuity of life on earth. (b) Plasmodium reproduces by the process of……..fission whereas Paramecium...
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lucky the biologist
Feb 16, 20221 min read
Write down the different methods of asexual reproduction.
The different methods of asexual reproduction are: (i) Fission (ii) Budding. (iii) Spore formation. (iv) Regeneration. (v) Fragmentation.
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lucky the biologist
Feb 16, 20221 min read
Name any two plants which are propagated by cuttings method.
Rose and grapes.
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lucky the biologist
Feb 16, 20221 min read
Name two plants which are propagated by layering method.
Hibiscus and Bougainvillea.
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lucky the biologist
Feb 16, 20221 min read
Name the artificial propagation mehod used for the propagation of(a) rose plants, and(b) apple tre
(a) Cutting. (b) Grafting.
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lucky the biologist
Feb 16, 20221 min read
What is the name of asexual reproduction method in :(i) Spirogyra, and(ii) Leishmania ?
(i) Fragmentation. (ii) Binary fission.
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lucky the biologist
Feb 16, 20221 min read
Name the asexual method of reproduction in(a) Hydra, and(b) Plasmodium.
(a) Budding and regeneration. (b) Multiple fission
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lucky the biologist
Feb 16, 20221 min read
Name two plants :(a) which can be grown from their broken stems.(b) which can be grown from their
(a) Bryophyllum and money plant. (b) Bryophyllum and Begonia.
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