Question

Assertion-Reason type question,
which has 4 choices (A), (B), (C)
and (D) out of which ONLY ONE
is correct.
A: The uptake of food and
oxygen are the functions of
specialised tissues of the body.
R: Many organisms use oxygen
sourced from outside the body.​

Answer 1

Explanation:

Reason type question,

which has 4 choices (A), (B), (C)

and (D) out of which ONLY ONE

is correct.

A: The uptake of food and

oxygen are the functions of

specialised tissues of the body.

R: Many organisms use oxygen

Answer 2

Answer:

b.both a and r are true but r is not correct explanation for a