Question

Which one of the following is NOT an example of C4 plant?

• A. Sugarcane
• B. Gram
• C. Amaranthus
• D. Maize

Hint:

C4 plants like maize and sugarcane have an efficient photosynthesis pathway that helps them thrive in hot and dry environments.

Answer 1

The Correct Option is B

Step 1: Understanding C4 plants.
C4 plants are those that use a specific photosynthetic pathway (the C4 cycle) to efficiently fix carbon. Examples of C4 plants include sugarcane, maize, and amaranthus, but not gram, which is a C3 plant.
Step 2: Analyzing the options.
(A) Sugarcane: Incorrect. Sugarcane is a well-known C4 plant.
(B) Gram: Correct. Gram is a C3 plant, not a C4 plant.
(C) Amaranthus: Incorrect. Amaranthus is a C4 plant.
(D) Maize: Incorrect. Maize is a C4 plant.
Step 3: Conclusion.
The correct answer is (B) Gram, as it is a C3 plant, not a C4 plant.