Question

Mention the deficiency symptoms in plants developed due to a lack of Nitrogen, Phosphorus ,Calcium and Iron.​

Answer 1

Answer:

Deficiency of Nitrogen:

Yellowing on the oldest leaves or lower leaves of the plant.

Deficiency of Phosphorus :

Leaves turn dark, dull, blue-green, and may become pale in severe deficiency.

Deficiency of Calcium :

leading to stunted plant growth, necrotic leaf margins on young leaves or curling of the leaves, and eventual death of terminal buds and root tips

Deficiency of Iron:

The entire leaf turns yellow or white and the outer edges may scorch and turn brown as the plant cells die.

i hope it might help

Answer 2

Answer:

calcium

Explanation:

A mineral found mainly in the hard part of bones,where it is stored.Calcium is added to bone by cells called Osteoblasts and removed from bone by cells called osteoclasts.Calcium is essential for healthy bones and is also important for muscle contraction,heart action,and normal blood clotting