Leaves of grasses roll and unroll due to :

Question

Leaves of grasses roll and unroll due to : (A) hormonal change (B) change in temperature (C) change in turgor pressure (D) presence of bulliform apparatus

Tardigrade Admin · Accepted Answer

Isobilateral leaf is found in monocots and both the surfaces of leaf are covered by epidermis. The upper epidermis possesses groups of larger sized, thin walled vacuolate cells called bulliform or motor cells. They help in rolling of leaves during drought.

Q. Leaves of grasses roll and unroll due to :

hormonal change

change in temperature

change in turgor pressure

presence of bulliform apparatus

Isobilateral leaf is found in monocots and both the surfaces of leaf are covered by epidermis. The upper epidermis possesses groups of larger sized, thin walled vacuolate cells called bulliform or motor cells. They help in rolling of leaves during drought.