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

In Kranz anatomy, the bundle sheath cells have thick wall, no intracellular spaces and large number of chloroplasts.