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Class 10 Class 12
What are cutins and suberins ?

Cutin and suberins are plant lipids. Cutin is deposited in the outer (exposed) cell wall of epidermal cells of leaves. Suberin is deposited in the secondary cell wall of cork cells.

What is the percentage of nucleic acids in cells ?

5 - 7 percent

What are major elements of a cell ?

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

Give the names of two monosaccharide sugars.

Fructose and glucose are two monosaccharides

What is the general formula of carbohydrates ?

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

Name one monosaccharide which provides energy ?

Glucose

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