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Assertion: The embryo with 8 to 16 blast...

Assertion: The embryo with 8 to 16 blastomeres is called a morula.
Reason: The blasometeres in the morula are arranged into an outer layer called trophoblast and an inner group of cells attached to trophoblast called the inner cell mass.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C
• The embryo with 8 to 16 blastomeres is called a morula.
• The blasometeres in the blastocyst are arranged into an outer layer called trophoblast and an inner group of cells attached to trophoblast called the inner cell mass.
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Knowledge Check

  • The blastomeres in the blastocyst are arranged into an outer layer called

    A
    Aleurone layer
    B
    Mitoplast
    C
    Tonoplast
    D
    Trophoblast

  • Embryo at 16-celled stage is called

    A
    Morula
    B
    Blastula
    C
    Blastomere
    D
    Gastrula

  • Assertion: The inner part of cerebral hemisphere is called white matter. Reason: Fibres of the tracts are covered with the myelin sheath, which constitute the inner part of erebral hemisphere. They give an opaque white appearance.

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false.

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