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A: All the living and non living matter ...

A: All the living and non living matter is formed of molecules.
R: Molecules are of two types (i) Micro-molecules
(ii) Macro-molecules.

A

If both As and R are correct and R is correct explanation of As

B

If both As and R are correct but R is not correct explanation of As

C

If As is correct, R is wrong

D

If both As and R are wrong.

Text Solution

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The correct Answer is:
A
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DINESH PUBLICATION ENGLISH-ENVIRONMENTAL ISSUES-Assertion and reason
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  2. $ Protoplasm is the physical basis of a cell. ! Angstrom is a unit ...

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  3. A: All the living and non living matter is formed of molecules. R: ...

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  4. $ Minerals such as carbonates and phosphates acts as buffers. ! Biom...

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  5. A: ATP is a type of coenzyme. R: Adenine is a type of pyrimidine.

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  6. $ Ergosterol is a lipid that changes to vitamins D on activation by UV...

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  7. $ Minerals from 25 to 30% of the cell contents. ! Lipids form 40 to ...

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  8. $ Proteins, polysaccharides and nucleic acid are the macromolecules of...

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  9. Length of one turn of DNA is

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  10. $ The two strands of DNA run in an antiparallel directions DNA is fo...

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  11. $ The process of formation of polysaccharides by condensation of monom...

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  12. Assumption: Agar-agar is a carbohydrate obtained from some sea weeds. ...

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  13. A: In conjugated proteins, the protein molecule is joined to a non pr...

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  14. $ Rhodopsin of rod cells and iodospin of cone cells of retina are prot...

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  15. A: Louis Pasteur discovered that fermentation is brought about by mi...

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  16. Those enzymes which are active inside a cell are called extra-cellular...

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  17. A: Enzymes are special types of proteins. R: Those substances which ...

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  18. A: Coenzymes are usually proteins R:The term feedback refers to the ...

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  19. $ The cell membrane helps in pinocytosis and phagocytosis. ! Cell me...

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  20. $ Positive diffusion occurs against the concentration gradients. ! O...

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