Reproduction in Organisms


  1. Cells become variable in morphology and function in different regions of the embryo. The process is









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    Cells become variable in shape, size & getting their specialization for the formation of particular tissue or organ in future foetus. They place themselves at some specific regions in embryo for further organogeny.

    Correct Option: A

    Cells become variable in shape, size & getting their specialization for the formation of particular tissue or organ in future foetus. They place themselves at some specific regions in embryo for further organogeny.


  1. Meiosis takes place in:









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    Meiosis takes place in meiocyte while Conidia and Gemmule are asexual structures and megaspore is haploid.

    Correct Option: D

    Meiosis takes place in meiocyte while Conidia and Gemmule are asexual structures and megaspore is haploid.



  1. Syngamy can occur outside the body of the organism in









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    In most aquatic organisms, such as a majority of algae and fishes as well as amphibians, syngamy occurs in the external medium (water), i.e., outside the body of the organism. This type of gametic fusion is called external fertilisation.

    Correct Option: C

    In most aquatic organisms, such as a majority of algae and fishes as well as amphibians, syngamy occurs in the external medium (water), i.e., outside the body of the organism. This type of gametic fusion is called external fertilisation.


  1. Geocarpic fruits are produced by









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    Geocarpic fruits are those which develop underground. Groundnut is the fruit which develops underground, onion and carrot also occur within the soil but onion is a modified stem while carrot is a modified root.

    Correct Option: C

    Geocarpic fruits are those which develop underground. Groundnut is the fruit which develops underground, onion and carrot also occur within the soil but onion is a modified stem while carrot is a modified root.



  1. Which of the following processes is associated with a change in the cellular DNA amount?









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    Cytokinesis involves division of the cytoplasm of the parent cell into its daughter cells. Fertilization involves the fusion of two haploid gametes. Blastulation refers to the process of cleavage in the zygote to form a blastula.

    Correct Option: C

    Cytokinesis involves division of the cytoplasm of the parent cell into its daughter cells. Fertilization involves the fusion of two haploid gametes. Blastulation refers to the process of cleavage in the zygote to form a blastula.