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 Multiple Choice QuestionsMultiple Choice Questions

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1.

Mitochondria and choloroplast are :
I. semi-autonomous organelles.
II. formed by division of pre-existing  organelles and they contain DNA but lack protein synthesizing machinery. 

  • II is true but I is false

  • I is true but II is false

  • Both I and II are false

  • Both I and II are false

2617 Views

2.

Which one of the following cell organelles is enclosed by a single membrane?

  • Chloroplasts

  • Lysosomes

  • Nuclei

  • Nuclei

1580 Views

3.

One of the major components of cell wall of most fungi is

  • peptidoglycan

  • cellulose

  • hemicellulose

  • hemicellulose

1596 Views

4.

A complex of ribosomes attached to a single strand of RNA is known as 

  • Polymer

  • Polypeptide

  • Okazaki's fragment

  • Okazaki's fragment

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5.

Water-soluble pigments found in plant cell vacuoles are

  • chlorophylls

  • carotenoids

  • anthocyanins

  • anthocyanins

2040 Views

6.

In a chloroplast the highest number of protons are found in

  • lumen of thylakoids

  • inter membrane space

  • antennae complex

  • antennae complex

1836 Views

7.

A phosphoglyceride is always made up of

  • only a saturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached

  • only an unsaturated fatty acid esterified to glycerol molecule to which a phosphate group is also attached

  • a saturated or unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached

  • a saturated or unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached

1402 Views

8.

Pigment-containing memberanous extensions in cyanobacteria are

  • heterocysts

  • basal bodies

  • pneumatophores

  • pneumatophores

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9.

A major site for synthesis of lipids is 

  • RER

  • SER

  • symplast

  • symplast

606 Views

10.

The Golgi complex plays a major role

  • in trapping the light and transforming it into chemical energy

  • in digesting proteins and carbohydrates

  • as energy transferring organelles

  • as energy transferring organelles

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