Largest number of chloroplasts in the leaf is in.
A. Spongy tissue – parenchyma with less number of chloroplast.
B. Palisade tissue – parenchyma with more number of chloroplast.
C. Guard tissue – modified epidermal cells with chloroplast, present in the stomata.
D. Bundle sheath – Thick walled parenchymatous sheath present around the vascular bundles in leaves.
So, the correct option is ‘Palisade tissue’.