#### 11th Standard Botany - Biomolecules English Medium Free Online Test One Mark Questions 2020 - 2021

11th Standard

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Botany

Time : 00:10:00 Hrs
Total Marks : 10

10 x 1 = 10
1. The most basic amino acid is

(a)

Arginine

(b)

Histidine

(c)

Glycine

(d)

Glutamine

2. The only carbohydrate stored in animals is _________.

(a)

Chitin

(b)

Glycogen

(c)

Cellulose

(d)

Starch

3. _____________ is a polymer of fructose.

(a)

Heparin

(b)

Inulin

(c)

Insulin

(d)

Agar

4. Membrane lipids are ____________.

(a)

Phospholipids

(b)

Steroids

(c)

Waxes

(d)

Wax

5. The activity of salivary amylase is increased in the presence _________ of ions.

(a)

Na

(b)

Cl

(c)

H2O

(d)

NH3

6. Which of the following is not a steroid?

(a)

Cortisone

(b)

Progesterone

(c)

Glycolipid

(d)

Ergosterol

7. Which one of the following pairs is correctly matched?

(a)

Fats $\rightarrow$ Long saturated Fatty acids chain.

(b)

Derivatives of Lipid $\rightarrow$ Vitamins A, D, E.

(c)

Deoxyribose $\rightarrow$ RNA.

(d)

Glycogen $\rightarrow$ Forms the plant cell wall

8. Protein and carbohydrate component found in cow milk ______________.

(a)

Albumin, Lactose

(b)

Globulin, Casein

(c)

Casein, Lactose

(d)

Casein, Fructose

9. Maltose is insoluble in ___________.

(a)

Water

(b)

Alcohol

(c)

Acid

(d)

Basic

10. At high temperature proteins are:

(a)

Destroyed

(b)

Inactive

(c)

Denatured

(d)

a or b