Question

what is callus class 10 biology

Answer 1

i think a hardened or thickened part of the skin or soft tissue

Answer 2

callus is a meristemetic cell taken from the shoot tip of a plant in order to grow it through tissue culture. when it is placed in nutritional medium it's body parts are not differentiated like thallophytes that's why it is named callus similar to thallus ( thallophytes ).