MHT CET · BIOLOGY · STD 12 - 8. Respiration and Circulation

pH of human blood is __________ .

A 7.6
B 7.2
C 7.4
D 7.7

Verified Solution

Answer & Solution

Correct Answer

(C) 7.4

Step-by-step Solution

Detailed explanation

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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	Column I		Column II
a.	Transferase	i.	aldolase
b.	Hydrolase	ii.	alcohol dehydrogenase
c.	Lyase	iii.	sucrase
d.	Oxidoreductase	iv.	glucokinase

	Column I		Column II
i.	\(FADH _2\)	a.	Complex III
ii.	Ubiquinol	b.	Complex IV
iii.	\(NADH + H ^{+}\)	c.	Complex II
iv.	Cytochrome C	d.	Complex I

	Column I (Blood corpuscles)		Column II (functions)
i	Neutrophils	a.	Immunity
Ii	Cyanophils	b.	Phagocytosis
Iii	Acidophils	c.	Secretion of histamines
Iv	Lymphocytes	d.	Antihistaminic