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AIIMS 2002
Exam
AIIMS
Year
2002
Subject
Botany
Chapter
Biological Classification

AIIMS 2002 · Botany · Biological Classification

Assertion : In bacteria, photosynthesis occurs by utilizing...

Assertion : In bacteria, photosynthesis occurs by utilizing wavelengths longer than 700 nm700 \mathrm{~nm}. Reason : Here the reaction centre is B-890.

Options

  1. AIf both the assertion and reason are true and reason is a correct explanation of the assertion.
  2. BIf both assertion and reason are true but assertion is not a correct explanation of the assertion.
  3. CIf the assertion is true but the reason is false.
  4. DIf both assertion and reason are false.

Correct answer

B. If both assertion and reason are true but assertion is not a correct explanation of the assertion.

Step-by-step solution

In bacteria, the reaction centre is B-890 and photosynthesis occurs by utilizing wavelengths longer than 700 nm700 \mathrm{~nm}. The reductant is NADH+H+\mathrm{NADH}+\mathrm{H}^{+}. In bacteria, the donor may be hydrogen sulphide etc, but not water.
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