Question:
Given below are two statements.
Statement I: Tuberculosis caused by Mycobacterium bovis is easily distinguishable from that caused by M. tuberculosis.
Statement II: In developing countries, animal tuberculosis caused by M. tuberculosis is widely distributed because control measures are rarely applied and pasteurization of milk is rarely done.
In light of the above statements, choose the correct answer from the options given below.
Given below are two statements.
Statement I: Tuberculosis caused by Mycobacterium bovis is easily distinguishable from that caused by M. tuberculosis.
Statement II: In developing countries, animal tuberculosis caused by M. tuberculosis is widely distributed because control measures are rarely applied and pasteurization of milk is rarely done.
In light of the above statements, choose the correct answer from the options given below.
Statement I: Tuberculosis caused by Mycobacterium bovis is easily distinguishable from that caused by M. tuberculosis.
Statement II: In developing countries, animal tuberculosis caused by M. tuberculosis is widely distributed because control measures are rarely applied and pasteurization of milk is rarely done.
In light of the above statements, choose the correct answer from the options given below.
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Remember the key distinction: M. bovis causes bovine tuberculosis, whereas M. tuberculosis primarily causes human tuberculosis. The lesions are similar, so laboratory diagnosis is required for accurate differentiation.
Updated On: Aug 24, 2026
- Both Statement I and Statement II are true.
- Both Statement I and Statement II are false.
- Statement I is true but Statement II is false.
- Statement I is false but Statement II is true.
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
Bovine tuberculosis is primarily caused by Mycobacterium bovis, whereas human tuberculosis is mainly caused by Mycobacterium tuberculosis.
Although they belong to the M. tuberculosis complex, the diseases they produce are clinically and pathologically very similar.
Detailed Explanation:
Statement I:
Tuberculosis caused by M. bovis cannot be easily distinguished from that caused by M. tuberculosis on the basis of clinical signs or gross lesions alone.
Definitive differentiation requires bacteriological culture, biochemical tests, or molecular diagnostic techniques.
Therefore, Statement I is false.
Statement II:
The statement is incorrect because animal tuberculosis is predominantly caused by Mycobacterium bovis, not M. tuberculosis.
In developing countries, inadequate control programs and poor pasteurization practices contribute to the persistence of M. bovis infection.
Hence, Statement II is false.
Step 2: Final Answer:
Both Statement I and Statement II are false.
\[ \boxed{(B) Both Statement I and Statement II are false. \]
Bovine tuberculosis is primarily caused by Mycobacterium bovis, whereas human tuberculosis is mainly caused by Mycobacterium tuberculosis.
Although they belong to the M. tuberculosis complex, the diseases they produce are clinically and pathologically very similar.
Detailed Explanation:
Statement I:
Tuberculosis caused by M. bovis cannot be easily distinguished from that caused by M. tuberculosis on the basis of clinical signs or gross lesions alone.
Definitive differentiation requires bacteriological culture, biochemical tests, or molecular diagnostic techniques.
Therefore, Statement I is false.
Statement II:
The statement is incorrect because animal tuberculosis is predominantly caused by Mycobacterium bovis, not M. tuberculosis.
In developing countries, inadequate control programs and poor pasteurization practices contribute to the persistence of M. bovis infection.
Hence, Statement II is false.
Step 2: Final Answer:
Both Statement I and Statement II are false.
\[ \boxed{(B) Both Statement I and Statement II are false. \]
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