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Worksheetscell: the unit of life and living world
Total questions: 50
Worksheet time: 38mins
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Assertion- Lipids are arranged within the cell membrane with their hydrophobic tails towards the inner part
Reason- This ensures that nonpolar tail of saturated hydrocarbons is protected from aqueous environment.
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
Assertion is correct but Reason is incorrect.
Both Assertion and Reason are incorrect.
Statement I- Centrioles are made up of microfilaments.
Statement II- Each microtubule is made of 13 parallel protofilaments. Each protofilament is made up of alpha and beta subunits of tubulin proteins.
Statement I is correct while Statement II is false
Statement I is false while Statement II is correct
Both statements are correct
Both statements are false
Statement I- Eukaryotic ribosomes are of 80S type having two subunits – 50S and 30S.
Statement II- Here ‘S’ (Svedberg’s Unit) stands for the sedimentation coefficient; it is indirectly a measure of density and size.
Statement I is correct while Statement II is false
Statement I is false while Statement II is correct
Both statements are correct
Both statements are false
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In majority of higher animals and plants, growth and reproduction are _____events.
Mutually exclusive
mutually inclusive
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none
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