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In Kranz anatomy, the bundle sheath cells have

1. thin walls, many intercellular spaces and no chloroplasts
2. thick walls, no intercellular spaces and large number of chloroplasts
3. thin walls, no intercellular spaces and several chloroplasts
4. thick walls, many intercellular spaces and few chloroplasts

Correct answer: thick walls, no intercellular spaces and large number of chloroplasts

Solution

In Kranz anatomy, bundle sheath cells form a tight ring around the vascular bundle and are adapted for C4 photosynthesis. They have thick walls, lack intercellular spaces, and contain many chloroplasts to support efficient CO2 fixation.

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