Reproduction And Its Importance


 
 
Concept Explanation
 

Reproduction And Its Importance

It is a biological process in which an organism gives rise to young ones or offsprings similar to itself.

There is a continuous cycle of birth, growth and death enabling the continuity of species, generation after generation.

Reproduction performs following functions :-

(i) Maintains life on the Earth.

(ii) Enables continuity of the species.

(iii) Creates variations among populations.

Several factors, which determine how an organism reproduces are :-

(i) The organism's habitat.

(ii) Its internal physiology.

(iii) Environmental conditions.

Based on the participation of one organism/parent or two, reproduction can be categorised into two types :- 

  •  Asexual reproduction :-The offspring is produced by a single parent with or without the involvement of gamete formation.
  • Sexual reproduction : The offspring is produced by two parents (opposite sex) involving fusion of male and female gametes.
  • Sample Questions
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    Question : 1

    Which of the following are correct :

    (a) In asexual reproduction, the offspring is produced by a single parent with or without the involvement of gamete formation.

    (b) In sexual reproduction, the offspring is produced by two parents involving fusion of male and female gametes.

    (c) In sexual reproduction, the offspring is produced by a single parent with or without the involvement of gamete formation.

    Right Option : A
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    Question : 2

    In ____________________ reproduction, the offspring is produced by two parents involving fusion of male and female gametes.

    Right Option : A
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    Explanation
    Question : 3

    Which of the following are correct :

    (a) Reproduction is a biological process in which an organism gives rise to young ones or offsprings similar to itself.

    (b) In asexual reproduction, the offspring is produced by a single parent with or without the involvement of gamete formation.

    Right Option : C
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    Explanation
     
     
     
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