Question

Direction (Q.No. 11-14):
In each of the questions, a statement of assertion (A) is given followed by
corresponding statement of reason (R) of the statements, mark the correct answer as
(a) If both A and R are true and R is the correct explanation of A.
(b) If both A and R are true but Ris not the correct explanation of 4
If A is true, but Ris false.
(d) If both A and R are false.
Q.11 Assertion (A) Red colour in Rhodophyta is due to abundant formation of r-
phycoerythrin
Reason (R) - r-phycoerythrin can absorb blue green wavelength of light and reflect red colour.
Q.12 Assertion : (A) Smooth muscles are involuntary in function.
Reason (R) These are striated in appearance.​

Answer 1

Answer:

n each of the following questions, a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements, mark the correct answer as

Assertion . The vapour pressure of a pure liquid has a fixed value at a particular temperature .

Reason . When equilibrium is reached , no more vapour are formed .

Explanation: