MHT CET · BIOLOGY · STD 12 - 10. Human Health and Diseases

Given below are two statements.
Statement I: Passive immunity is acquired when readymade antibodies are received by body cells.
Statement II: Resistance induced by BCG vaccine is an example of passive immunity.
In the light of above two statements, choose the correct answer from the options given below

A Both statement-I and statement-II are correct.
B Both statement-I and statement-II are incorrect
C Statement-I is correct but statement-II is incorrect.
D Statement-I is incorrect but statement-II is correct

Verified Solution

Answer & Solution

Correct Answer

(C) Statement-I is correct but statement-II is incorrect.

Step-by-step Solution

Detailed explanation

Resistance induced by BCG vaccine is an example of Artificial Acquired Active immunity

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.

Same subject

Match the category in Column-I with their description in Column-II.

	Column-I		Column-II
i.	Extinct	a.	Decline in species population from 50% to 70% over last 10 years.
ii.	Endangered	b.	Species that are abundant.
iii.	Vulnerable	c.	Species of its last individual has died.
iv.	Least concern	d.	Decline in species population from 30% to 50% over last 10 years.

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