Question

1) diatoms are marine algae which float in water due to the
presence of light.
II) AIDS virus kills WBC and reduces immunity of the
body.
III) E. coli is present in 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.
Full Marks : 2
A) I.(T) II.(F) III.(T) IV.(F)
B) I.(T). II.(T). III.(T). IV.(F)
C)1.(T) II.(T). III.(F). IV.(F)
D) I.(T). II.(F). III.(T). IV.(T)​

Answer 1

Answer:

the right answer is option B.

1) true

2) true

3) true

4) False

Answer 2

Answer:

a

Explanation:

actually 3 me coli nahi vili hoaga