Assertion (A): Bile juice contains digestive enzymes. Reason (R): Bile emulsifies fats to aid their digestion. MCQ with Answer and Explanation

Assertion (A): Bile juice contains digestive enzymes.
Reason (R): Bile emulsifies fats to aid their digestion.
A. A is false, but R is true.
B. A is true, but R is false.
C. Both A and R are true, but R is not the correct explanation.
D. Both A and R are true, and R is the correct explanation.
Answer: Option A
Solution (By JKExamLibrary)
Bile does not contain digestive enzymes; it contains bile salts that emulsify fats, increasing surface area for lipase action. Thus, A is false, R is true.

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Consider statements about scientists: 1. Robert Hooke discovered the cell. 2. Louis Pasteur disproved spontaneous generation. 3. Alexander Fleming discovered the structure of DNA. Which are correct?
A. 1 and 3 only
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C. 2 and 3 only
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Correct Answer: Option D


Explanation:
Robert Hooke first observed and coined the term 'cell' in 1665 using cork tissue. Louis Pasteur definitively disproved the theory of spontaneous generation using his swan-neck flask experiment. Alexander Fleming discovered the antibiotic penicillin, not the structure of DNA; that was elucidated by Watson and Crick. Thus, statements 1 and 2 are correct.

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