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Earn 100

Which of the following organelle(s) is/are bound by a double membrane?
(1) Chloroplast
(2) Mitochondria
(3) Nucleolus
(4) Golgi apparatus
(a)Only (1)
(b)Only (1) and (2)
(c)(1), (2) and (3)
(d)(2), (3) and (4)

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Important Questions on Cell: The Unit of Life
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Nucleus as a cell organelle was first described by ____

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In which of the following cells, the nucleus is not present?

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The material of the nucleus is stained by ____

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The total length of the DNA molecule of 46 chromosomes in a human cell is about ______.

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Consider the following statements, and select the option that correctly fills the blanks:
(i) The interphase nucleus has a loose and indistinct network of nucleoprotein fibers called A .
(ii) The structure which provides the shape of chromosomes is called _____B_____.
(iii) A part of chromosome beyond non-staining secondary constriction is called ____C____.
(iv) Kinetochores are ___D___ structure.

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The interphase nucleus has highly extended and elaborate nucleoprotein fibres. These fibres contain
(I) DNA
(II) Basic protein, histones
(III) RNA
(IV) Non-histone proteins

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Microbodies are ____

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Which of the following cell organelles helps in photorespiration?
