Biology SECTION F

1.   Consider the following statements regarding the recent global outbreak of ‘Swine flu’.

1.       The agent of infection is not well identified.

2.       The risk is higher in those who consume pork.

3.       It has a propensity to spread from contact with an infected Peron.

4.       Absence of an effective treatment or vaccine makes it risk for a global pandemic.

Which of the statements given above is/ are correct?

(a)    1, 2 and 4

(b)   3 and 4

(c)    2 and 3

(d)   Only 3

2.   Which one of the following is a pigment?

(a)    Albumin  (b) Elastin    (c)  Keratin   (d)  Melanin

3.   Match the following

List I (Vitamin)	List II (Deficiency Disease)
A.      Vitamin -B₁        B.      Vitamin –A        C.      Vitamin –D         D.      Vitamin –C	1.       Night blindness       2.       Beri-beri       3.       Scurvy       4.       Rickets

Codes

                A    B   C    D

(a)    3     2  1     4

(b)   2    4   1    3

(c)    3    1   2    4 

(d)   2   1    4    3

4.   Which one of the glands in human body produces the growth hormone (somatotrophin)?

(a)    Adrenal

(b)   Pancreas

(c)    Pituitary

(d)   Thyroid

5.   Milk is unique in its nutritive value However, it is a poor sources of

(a)    Calcium

(b)   Iron

(c)    Copper

(d)   Sodium

6.   Form which one of the following chambers of human heart is the oxygenated blood pumped into aorta?

(a)    Right atrium

(b)   Right ventricle

(c)    Left atrium

(d)   Left ventricle

7.   Which one among the following is a major source of sugar?

(a)    Watermelon

(b)   Beetroot

(c)    Sugarcane

(d)   Date

8.   Consider the following statements regarding antibiotics

1.       They are used to destroy disease- causing bacteria.

2.       They can be applied to the skin, swallowed or injected to fight micro organisms inside the body.

3.       They are effective against disease – causing viruses.

4.       The first antibiotic to be discovered was tetracycline.

Which of the statements given above is/ are correct?

(a)    1and 2

(b)   1, 2 and 4

(c)    2, 3 and 4

(d)   Only 1

9.   Itching due to insect bite is caused by

(a)    Formic acid

(b)   Acetic and

(c)    Lactic acid

(d)   Maleic acid

10.   Which one of the following mineral elements is required for muscle contraction?

(a)    Calcium

(b)   Iron

(c)    Sodium

(d)   Zinc

Answer:

1.       C

2.       D

3.       D

4.       C

5.       C

6.       D

7.       C

8.       B

9.       A

10.   A