Question

Read the statements given below and choose the correct option-

Assertion: Rudolf Virchow modified the hypothesis of cell theory given by Schleiden and Schwann.

Reason: Cell theory says that all cells arise from pre-existing cells.

• A. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
• B. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
• C. Both Assertion and Reason are incorrect.
• D. Assertion is correct but Reason is incorrect.

Answer 1

The correct option is A

Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

The correct answer is A.

Assertion statement:

1. Rudolf Virchow explained that the cells arise from pre-existing cells, i.e. “Omnis cellula-e-cellula”.
2. He modified the cell theory given by Schleiden and Schwann.

Reason statement:

1. According to the final theory, all living organisms are composed of cell & cell products.
2. And, all cells arise from pre-existing cells.
3. Rudolf Virchow modified the cell theory by Schleiden and Schwann because it did not tell about how cells were formed.

Final answer:

(A) Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.