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Consider the following statements (A) ...

Consider the following statements
(A) Plant cells have centrioles which are absent in almost all animal cells
(B) Ribosomes are the site of protein synthesis
(C) The middle lamella is a layer made of calcium carbonate which holds the different neighbouring cells together
(D) In animal cell, steroidal hormones are synthesised by smooth endoplasmic reticulum
Of the above statements

A

(A) and (B) only are correct

B

(C) and (D) only are correct

C

(B) and (D) only are correct

D

(A) and (D) only are correct

Text Solution

Verified by Experts

The correct Answer is:
C
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Which of the following cell components is present only in plant cells and absent in all animal cells?

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Knowledge Check

  • Consider the following statements (A) Plant cells have centrioles which are absent in almost all animal cells (B) Ribosomes are the site of protein synthesis (C ) The middle lamella is a layer mainly of calcium carbonate which holds the different neighbouring cells together (D) In animal cell steroidal hormones are synthesized by smooth endoplasmicreticulum Of the above statements

    A
    (A) and (B) only are correct
    B
    ( C) and (D) only are correct
    C
    (B) and (D) only are correct
    D
    (A) and (D) only are correct

  • Assertion : The middle lamella is a layer made up of calcium pectate. Reason : It holds the different neighouring cells together.

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

  • Which of the following ribosomes are engaged in protein synthesis in animals cell:

    A
    Ribosomes which occur on nuclear membrane and E.R
    B
    Ribosomes of only cytosol
    C
    Ribosomers of only nucleolus and cytosol
    D
    Ribosome of only mitochondria and cytosol

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