GK Quiz on Science: Life Science Set III

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GK Quiz on Science: Life Science Set III

1. Which of the following blood group is considered as Universal Donor?

A. A

B. AB

C. B

D. O

2. What part of the Quinine plant is commonly used drug for Malaria?

A. Leaves

B. Fruits

C. Root

D. Stem bark

3. Which of the following disease occur when the replacement of breast feeding by less nutritive food, low in proteins and calories, infants below the age of one year?

A. Kwashiorkor

B. Marasmus

C. Rickets

D. Pellagra

4. What happen when the exposure to carbon monoxide (from coal gas) is extremely dangerous and can kill a patient?

A. The compound carboxy-haemoglobin (COHb) it forms with haemoglobin can gradually clot the blood resulting in circulatory failure.

B. COHb reduces the ability of blood to transport oxygen by rupturing a vast majority of erythrocytes.

C. COHb is stable compound and thus deprives blood of its ability to transport oxygen.

D. COHb greatly modifies the structure of haemoglobin thus making it lose its affinity for oxygen.

5. In how many times human will lose their consciousness if blood will stop flowing to the brain?

A. 2 sec

B. 5 sec

C. 15 to 20 sec

D. 5 min

6. How many bones comprise the adult human skeleton?

A. 204 bones

B. 206 bones

C. 208 bones

D. 214 bones

7. Which of the following statement is related with the 'Sulphur shower'?

A. Discharge of large quantities of Crocus (yellow kesar) pollen grains into the air.

B. Discharge of large quantities of pinus pollen grains into the air forming yellowish clouds.

C. Release of a large amount of sulphur particles into the air from factories processing sulphur.

D. Release of a large amount of sulphur particles into the air near sulphur mines.

8. In the given item consist of two statements, one labelled as 'Assertion (A)' and the other labelled as 'Reason (R)'.

Assertion (A): Persons with AB blood group can accept blood from any blood group.

Reason (R): They are universal acceptor

Select your answers to these items using the codes given below.

Codes:

A. Both A and R are true and R is the correct explanation of A

B. Both A and R are true but R is not a correct explanation of A

C. A is true but R is false

D. A is false but R is true

9. In the given item consist of two statements, one labelled as 'Assertion (A)' and the other labelled as 'Reason (R)'.

Assertion (A): Saturated fats are more reactive as compared to unsaturated fats.

Reason (R): Molecules of unsaturated fats have double bonds.

Select your answers to these items using the codes given below.

Codes:

A. Both A and R are true and R is the correct explanation of A

B. Both A and R are true but R is not a correct explanation of A

C. A is true but R is false

D. A is false but R is true

10.In the given item consist of two statements, one labelled as 'Assertion (A)' and the other labelled as 'Reason (R)'.

Assertion (A): The sons of a colour blind woman are always colour blind but not the daughters.

Reason (R): Colour blindness is a sex-linked character and such characters are transferred from mother to son only.

Select your answers to these items using the codes given below.

Codes:

A. Both A and R are true and R is the correct explanation of A

B. Both A and R are true but R is not a correct explanation of A

C. A is true but R is false

D. A is false but R is true

Question No.	Answer
1	D
2	D
3	B
4	C
5	B
6	B
7	B
8	A
9	D
10	B