Question

Assertion :Non - autotrophic bacteria carry out chemosynthesis. Reason: Chemosynthetic bacteria trap small amount of energy released from oxidation of inorganic compound to use in the reactions that synthesize carbohydrates.

• A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
• B. If both the assertion and reason are true but the reason is not a correct explanation of the assert!on
• C. If the assertion is true but the reason is false
• D. If both the assertion and reason are false

Answer 1

The correct option is D If both the assertion and reason are false

Chemosynthetic bacteria are without photosynthetic pigments. For the synthesis of their own organic food (carbohydrates), they obtain carbon from $C{O}_2$ of the atmosphere, necessary energy from oxidation of inorganic or organic compound $\left(F{e}^{2+}\right)$, molecular hydrogen $\left(H_2\right)$ ammonia $\left(N{H}_3\right)$ and nitrites $\left(N{O}_2^{-}\right)$ etc.

So, If both the assertion and reason are false.