Question

1.Which of the following is a nutrient?

A) Protein B)Fat C)Vitamin D)All of these

2. Which is not digested by human?

A) Protein B)Fats C) Cellulose D) Glucose

3.The rearing of silkworms for obtaining silk is called _______.

A) apiculture B) sericulture C) silviculture D) pisciculture

4.The normal temperature of human body is _________.

A)370 B) 350

C) 300

D) 400

5.Which of the following is an acid-base indicator?

A) Vinegar B) lime water C) turmeric D) baking soda

6. Which of the following acts as a natural shield against the

U-V radiation comes from the sun.

A) Ozone B) carbon monoxide C) sulphur dioxide D) water

7. Which of the following is not an adaptive feature in polar bear?

A)white fur B)long tail C)strong sense of smell D) thick layer of fat under the skin

8.The instrument which measures the wind speed is called_______.

A) barometer B) anemometer C) saprometer D) odometer

9.Availability of water and mineral in the soil for maximum absorption by roots is in the ________.

A)A-horizon B)B- horizon C) C-horizon D) Bedrock

10. Which of the following is not a natural resource?

A) soil B) water C) air​

Answer 1

Answer:

answer of the following are

Explanation:

A))) ---ALL OF THESE

B) - CELLULOSE

C))--SERICULTURE

D))370

E))TURMERIC

F))OZONE

G))

Answer 2

Answer:

1. d

2. b

3. b

4. d

5. c

6. a

7. b

8. b

9. a

10. d