Chapter 9
9.78
ASSESS YOUR LEARNING
143.
Assertion (A):
Methaemoglobinaemia is a condi-
tion in which blood is not able to carry and deliver
enough oxygen to the body.
[June 2019]
Reason (R):
Consuming drinking water with high
nitrate level may cause methaemoglobinaemia.
Choose the correct answer from the options given
below:
(a) Both (A) and (R) are true and (R) is the correct
explanation of (A).
(b) Both (A) and (R) are true but (R) is not the cor-
rect explanation of (A).
(c) (A) is true, but (R) is false.
(d) (A) is false, but (R) is true.
144.
According to WHO standards for drinking water
quality, what is the acceptable ...
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