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CBSE Gujarat Board Haryana Board

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Class 10 Class 12
Distinguish between pyranose and furanose rings.

 Pyranose ring Furanose ring (1) It is hexagonal. (2) It has five carbon atoms in the ring and one oxygen atom. e.g. glucose, galactose. (1) It is pentagonal. (2) It has four carbon atoms and one oxygen atom in the ring. e.g. fructose.
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What is the percentage of nucleic acids in cells ?

5 - 7 percent
634 Views

Name one monosaccharide which provides energy ?

Glucose
698 Views

What is the general formula of carbohydrates ?

The carbohydrate has a general formula - CnH2nOn Or (CH2O)n.
596 Views

What are major elements of a cell ?

Carbon, hydrogen, oxygen and nitrogen are the major elements of a cell.
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Give the names of two monosaccharide sugars.

Fructose and glucose are two monosaccharides
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