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Class 10 Class 12
What role temperature plays in food preservation ?

Food may be preserved for long in a frozen state because neither microbial enzymes in the food can act at low temperatures to cause its spoilage nor at very high temperatures, as enzymes are denatured. Therefore temperature can play a very important role in preservation.
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What is the general formula of carbohydrates ?

The carbohydrate has a general formula - CnH2nOn Or (CH2O)n.
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Give the names of two monosaccharide sugars.

Fructose and glucose are two monosaccharides
670 Views

What are major elements of a cell ?

Carbon, hydrogen, oxygen and nitrogen are the major elements of a cell.
911 Views

What is the percentage of nucleic acids in cells ?

5 - 7 percent
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Name one monosaccharide which provides energy ?

Glucose
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