Biology - Questions and Answers, General Study (GK)

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1691.

Structural and functional unit of kidney is

(a)Glomerulus

(b)Loop of henle

(c)Malpighian body

(d)Nephron

Comment

Answer is: D

1692.

AIDS is caused by

(a)Virus

(b)Bacteria

(c)Fungi

(d)Mosquito

Comment

Answer is: A

1693.

Which of the following pigments decreases skin cancer

(a)Chlorophyll

(b)Bacterio Chlorophyll

(c)Phycoerythrin

(d)Canthaxanthin

Comment

Answer is: D

1694.

Proventriculus is small thick walled sac found in

(a)Buccal cavity of pigeon

(b)Tracheal region of turtle

(c)It is a slight dilation of oesophagus of pigeon

(d)Rat

Comment

Answer is: C

1695.

A carbohydrate that is not digestible by human beings though it is structurally similar to starch is

(a)Cellulose

(b)Animal starch

(c)A liquid

(d)A protein

Comment

Answer is: A

1696.

Ductus caroticus is found in

(a)Alimentary canal of calotes

(b)A small bone connection in calotes

(c)Excretory system of calotes

(d)A small blood vessels which connects the systematic arch carotid artery

Comment

Answer is: D

1697.

Which of the following organisms is a Gold indicator in the soil ?

(a)Equisetum arvensis

(b)Vallozia candia

(c)Eriogonium ovalifolium

(d)Boehmeria nivea

Comment

Answer is: A

1698.

Why do some paper turn brittle and yellow ?

(a)Acid is formed and it decomposes cellulose

(b)UV radiation destroys lignin

(c)Denaturation of protein occurs

(d)The cellulose is affected by bacteria

Comment

Answer is: A

1699.

Hormone oxytocin controls

(a)Growth

(b)Child birth

(c)Lactation

(d)Both lactation and child birth

Comment

Answer is: D

1700.

Which one of the following represents the family planning surgery ?

(a)Vasectomy

(b)Ovariectomy

(c)Testisectomy

(d)Hysterectomy

Comment

Answer is: A

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Biology - Questions and AnswersPage 170

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