Multiple Choice Questions

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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


D.

as energy transferring organelles

Golgi complex plays a major role in post-translational modification of proteins and glycosidation of lipids. Chloroplasts contain chlorophyll, which traps light and transform into chemical energy. Lysosomes are involved in digesting protein, fats and carbohydrates. Mitochondria are energy transferring organelles.

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Water-soluble pigments found in plant cell vacuoles are

  • chlorophylls

  • carotenoids

  • anthocyanins

  • anthocyanins

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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

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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

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

  • peptidoglycan

  • cellulose

  • hemicellulose

  • hemicellulose

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Pigment-containing memberanous extensions in cyanobacteria are

  • heterocysts

  • basal bodies

  • pneumatophores

  • pneumatophores

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In a chloroplast the highest number of protons are found in

  • lumen of thylakoids

  • inter membrane space

  • antennae complex

  • antennae complex

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A major site for synthesis of lipids is 

  • RER

  • SER

  • symplast

  • symplast

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

  • Chloroplasts

  • Lysosomes

  • Nuclei

  • Nuclei

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