Biology
Grade-9
Easy
Question
Which of the following is not a salient feature of C4 plants?
- Kranz anatomy
- Photorespiration
- Dimorphic chloroplasts
- Bundle sheath cells
Hint:
Photorespiration does not occur in C4 plants
The correct answer is: Photorespiration
- Kranz anatomy is a specialized structure in C4 Plants where the mesophyll cells are clustered around the bundle-sheath cells in a ring-like fashion
- Dimorphic chloroplasts are the chloroplasts which are concentrated into two types of cells having different size and structure. The dimorphic chloroplast is present in C4 plants because of the presence of special leaf anatomy called Kranz anatomy.
- Bundle sheath (BS) cells are a leaf cell type that forms a tightly packed layer surrounding the veins. In 2-cell C4 plants, the division of the photosynthetic process into the BS and mesophyll cells is one of the most significant features that make photosynthesis more efficient.
- Photorespiration does not occur in C4 plants. This is because they have a mechanism which increases the CO2 concentration at the site of the enzyme.
- Option B is correct
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