The Excretory System — Biology STD 10 — Question

Red blood cells are also called as erythrocytes. Cellular component of blood, millions of which in the circulation of vertebrates give the blood its characteristic colour and carry oxygen from the lungs to the tissues. The mature human red blood cell is small, round, and biconcave; it appears dumbbell-shaped in profile. The cell is flexible and assumes a bell shape as it passes through extremely small blood vessels. It is covered with a membrane composed of lipids and proteins, lacks a nucleus, and contains hemoglobin-a red ironrich protein that binds oxygen.
Answer the following questions in context to RBC.
(iv) Erythrocytes contain:

Diffusion of molecules are applicable to

The full form of RuDP is

The pale yellow colour of normal human urine is due to the pigment:

The site of maturation of human sperms is the

After mitotic cell division, a female human cell will have

The colour reflected by chlorophyll is

The space between the cell wall and plasma membrane in a plasmolysed cell is filled with ______.

In the process of ____________ , water is used up in the green leaves as a raw material in the synthesis of glucose.