WBCS Online Preparation of General Science (Biology) P15

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Page 15

1417141. Which one of the following is a rich source of amylase?

A

Thyroid

B

Pancreas

C

Brain

D

Blood

B

Correct Answer: B. Pancreas

2514142. Which one of the following is not a fossil fuel?

A

coal

B

petroleum

C

natural gas

D

uranium

D

Correct Answer: D. uranium

1389143. Personality development tends to be most rapid in the

A

Middle age

B

Adolescence

C

Early childhood

D

Adulthood

B

Correct Answer: B. Adolescence

1438144. Which Carbohydrate is used commercially in the silvering of mirrors?

A

Cellulose

B

Glucose

C

Sucrose

D

Fructose

B

Correct Answer: B. Glucose

1418145. Phenotypic ratio of Mendelian Dihybrid cross is

A

3 : 4 : 3 : 1

B

1 :2 : 1 :1

C

9 : 3 : 3 : 1

D

1 : 1 : 1 : 1

C

Correct Answer: C. 9 : 3 : 3 : 1

1318146. Clove is obtained from

A

Leaf

B

Flower bud

C

Root

D

Stem

B

Correct Answer: B. Flower bud

2515147. Myopia is the disorder of which organ?

A

heart

B

ear

C

eye

D

kidney

C

Correct Answer: C. eye

1341148. The number of amino acids occurring in nature is

A

30

B

40

C

10

D

20

D

Correct Answer: D. 20

1265149. AIDS is caused by

A

Protozoa

B

Helminth

C

Bacteria

D

Virus

D

Correct Answer: D. Virus

1330150. Adult Filaria worms live in human

A

Liver

B

Intestine

C

Blood

D

Lymphatics

D

Correct Answer: D. Lymphatics

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