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Exchange of genetic material takes place in - Science

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प्रश्न

Exchange of genetic material takes place in

विकल्प

  • vegetative reproduction

  • asexual reproduction

  • sexual reproduction

  • budding

MCQ

उत्तर

sexual reproduction

Explanation - 

The exchange of genetic material takes place only in sexual reproduction where two different gametes fuse with each other and give rise to a new organism.

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अध्याय 9: Heredity and Evolution - Multiple Choice Questions [पृष्ठ ७३]

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एनसीईआरटी एक्झांप्लर Science [English] Class 10
अध्याय 9 Heredity and Evolution
Multiple Choice Questions | Q 1. | पृष्ठ ७३

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संबंधित प्रश्न

List two reasons for the appearance of variations among the progeny formed by sexual reproduction


If a trait A exists in 10% of a population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier?


How does the creation of variations in a species promote survival?


Name one variation in humans connected with ears.

 

How do variations arise in organisms? "Variation is useful for the survival of species." Justify this statement with the help of an example.

Plants like banana, rose, jasmine, orange have lost the capacity to produce ______ 


The part of the flower which is present in the centre of the flower is ______ 


In the following Figure, parts A, B, and C are sequentially 


In the following Question, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:

Assertion: Variation is high in sexually reproducing organisms compared to asexually reproducing organisms.

Reason: Inaccuracies during DN A copying give rise to variation.


In the list of organisms given below, those that reproduce by the asexual method are

  1. banana
  2. yeast
  3. dog
  4. Amoeba 

Reproduction is essential for living organisms in order to


The diagram shown below depicts pollination. Choose the options that will show a maximum variation in the offspring.


How are variations useful for species if there is drastic alteration in the niches?


Give reason for the following:

During reproduction inheritance of different proteins will lead to altered body designs.


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