Biology - Questions and Answers, General Study (GK)

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1001.

In eye donation, which one of the following parts of donor's eye is utilized ?

(a)Iris

(b)Cornea

(c)Lens

(d)Retina

Comment

Answer is: B

1002.

Neem tree has acquired industrial importance as a source of

(a)Biopesticide and antifertility compound

(b)Antifertility compound, biofertilizer and anti-cancer drug

(c)Biofertilizer, biopesticide and antifertility compound

(d)Anti-cancer drug, biopesticide and biofertilizer

Comment

Answer is: D

1003.

Which one of the following genetic diseases is sex-linked ?

(a)Royal haemophilia

(b)Hypertension

(c)Tay-Sachs disease

(d)Crystic fibrosis

Comment

Answer is: A

1004.

Lathyrism is caused by excessive consumption of

(a)Kesari Dal

(b)Mustard oil

(c)Polished rice

(d)Mushrooms

Comment

Answer is: A

1005.

Barium in a suitable form is administered to patients before an X-ray examination of the stomach, because

(a)Barium is a good absorber of X-rays and this helps the stomach to appear clearly in contrast with the other regions in the picture

(b)Barium compound, like magnesium sulphate helps in cleaning the stomach before X-ray examination

(c)Barium salts are white in colour and this helps the stomach to appear clearly in contrast with other regions in the picture

(d)Barium allows X-rays to pass through the stomach on account of its transparency to X-ray

Comment

Answer is: D

1006.

Cobalt-60 is commonly used in radiation therapy because it emits

(a)Alpha rays

(b)Gamma rays

(c)X-rays

(d)Beta rays

Comment

Answer is: B

1007.

Which of the following can cause cancer as well as cure it, depending upon its intensity and use?

(a)Chemicals

(b)Ultra-violet rays

(c)Tobacco

(d)Ionised radiations

Comment

Answer is: A

1008.

Normal Blood pressure of human being must be

(a)140/80

(b)140/90

(d)120/80

Comment

Answer is: D

1009.

Put the following demographic date in chronological order :
1. Birth rate and death rate are high
2. Birth rate increases and death rate decreases
3. Birth rate and death rate both decrease

(a)2, 1, 3

(b)3, 2, 1

(d)1, 3, 2

Comment

Answer is: C

1010.

Vitamin C is synonym of

(a)Hydrochloric acid

(b)Riboflavin

(c)Thiamine

(d)Ascorbic acid

Comment

Answer is: D

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Biology - Questions and AnswersPage 101

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