Asexual & Sexual Reproduction - Artificial Vegetative Propagation || Solved Q/A to practice for S.E.E. - Exam || Part-1

By Pravin Keshari -

Asexual & Sexual Reproduction

Artificial Vegetative Propagation

Part-1 

Very short questions and answers for S.E.E. students


Questions and answers to practice for S.E.E. examination

1) What is asexual reproduction?
Answer: The reproduction which takes place without fusion of male and female gametes is called asexual reproduction.

2) What is fission?
Answer: The process of  asexual reproduction in which a parent organism divides (splits) into two or more daughter organisms is called fission.


3) Name any two animals which have external fertilization.
Answer: The two animals which have external fertilization are:
    (i) Fish and         (ii) Frog


4) What is binary fission?
Answer: The method of asexual reproduction in which a parent body divides into two daughter organisms is called binary fission.


5) What is the part of plant called that is used for root in grafting?
Answer: The part of the plant that is used for grafting is called stock,


6) What is meant by a cyst?
Answer: A cyst is a thick protective layer around and organism like amoeba, plasmodium, etc.


7) Name any two plant hormones. 
Answer: The two plant hormones are:
        (i) Auxin and         (ii) Cytokinin


8) What is meant by 'fragmentation' and 'regeneration'?
Answer: Fragmentation/regeneration is the method of asexual reproduction in which a multicellular organism break into two or more fragments and each fragment grows into a new complete organism.
        The ability of an individual fragment of an organism to replace its lost part is called regeneration.


9) Write the name of two plants that reproduced by sporulation process of reproduction.
Answer: Any two plants that reproduced by sporulation are:
        (i) Moss and         (ii) Mucor


10) What is reproduction? Why do living organisms reproduce?
Answer: The biological process in which living organisms produce their own kind by asexual and sexual method is called reproduction.
        Living organisms produce their own kinds to maintain the life of the species on the earth.


11) Name any two organisms which are reproduced by multiple fission.
Answer: The biological process in which living organisms produce their own kind by asexual and sexual method is called reproduction.
        Living organism produce their own kinds to maintain the life of their species on the earth.


12) Define sporulation.
Answer: The method of asexual reproduction which takes place by the formation of spores is called sporulation.


13) State two basic features of asexual reproduction.
Answer: The two basic features of asexual reproduction are as follows:
    (i) In asexual reproduction, only one organism is involved.
    (ii) The offspring produced by asexual reproduction are genetically identical to their parents.


14) Write the names of upper part and lower part used in grafting.
Answer: The plant whose upper part or shoot is taken for grafting is called scion and the plant whose lower part or root is taken is called stock.


15) Define 'budding'. Name any two organisms in which this method of asexual reproduction is common.
Answer: The method of asexual reproduction which takes place by the formation of bud is called budding.
        This method of reproduction is common in hydra and yeast.


16) What is external fertilization?
Answer: External fertilization is the fusion of a male gamete and a female gamete outside the body of a female is called external fertilization.


17) How is zygote formed?
Answer: Zygote is formed by the fusion of a male gamete and a female gamete.
(For more look at the 2nd picture of this blog above, sexual reproduction in human)

18) What is artificial vegetative propagation?
Answer: The method of asexual reproduction in which numerous plants are produced from vegetative parts of plant, i.e. root, stem or leaf artificially is called artificial vegetative propagation.


19) What is tip layering?
Answer: Tip layering is the layering in which the tip of plant is bent and buried in the soil to grow roots.


20) What is grafting?
Answer: The process of getting new plant by combining shoot system of one plant on the root system of closely related plant is called grafting.


21) What is tissue culture?
Answer: The scientific method of getting new plant from cell, tissue or organ of a parent plant keeping them in a culture solution is called tissue culture.


22) Define bisexual (hermaphrodite) animal with examples.
Answer: The animal having both male and female reproductive organ is called bisexual or hermaphrodite or monoecious animal. Such individual produces both male and female gametes.
    Example: Earthworm, leech, hydra, tapeworm, liver fluke, etc.

23) Write the types of asexual reproduction in hydra and spirogyra.
Answer:        Hydra → Budding
                    Spirogyra → Fragmentation


24) Name any two plants that reproduce by sporulation.
Answer: Mucor and Moss reproduce by sporulation.


25) Name any two animals that reproduce by asexual method.
Answer: Hydra and amoeba reproduce by asexual method.

         More questions will be given in another blog post.

    ____________________________________________________________________________________

For any kind of query in any chapter of S.E.E. science, mail your question/s on 

pravin.keshari.31@gmail.com

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Location: Siddharthanagar, Nepal

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