| (i) Diatoms are marine algae which float in water due to the presence of light storage fats with silica. |
| (ii) AIDS virus kills WBC and reduces immunity of the body. |
| (iii) Escherichia coli is present in intestine of human where they help in digestion of food. |
| (iv) A virus always consists of double strands of DNA or RNA surrounded by protein coat. |
A)
(i)
(ii)
(iii)
(iv)
T
F
T
F
B)
(i)
(ii)
(iii)
(iv)
T
T
T
F
C)
(i)
(ii)
(iii)
(iv)
T
T
F
F
D)
(i)
(ii)
(iii)
(iv)
T
F
T
T
Correct Answer: B
You need to login to perform this action.
You will be redirected in
3 sec
