STD 11 - 8. Cell the unit of life — NEET STD 11 Science — Question

Which of the following is an auxin

Which of the following statements about tissue system is true ?
(i) Epidermal cells are parenchymatous with at small amount of cytoplasm lining the cell wall and a large vacuole.
(ii) The outside of the epidermis is often covered with a waxy thick layer called the cuticle which present in root and other part.
(iii) In grasses, the guard cells are bean shaped.
(iv) The outer walls of guard cells are thick and the inner walls are highly thin.
(v) Sometimes, a few epidermal cells, in the vicinity of the guard cells become specialised in their shape and size and are known as subsidiary cells.

Which one of the following techniques does not serve the purpose of early diagnosis of a disease for its early treatment?

Energy flow in ecosystem is

Definition of biotechnology was given by .....

Meiosis is seen in pteridophytes during which process

A child receives

Choose correct sentence.