Photosynthesis — 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:

A potted plant with variegated leaves was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours and then placed in bright sunlight for a few hours. What aspect of photosynthesis is being tested in the below diagram?

Transport of blood to various parts of the body is called blood circulation. The path of blood through heart is represented as:

The two members of a pair of factors separate during the formation of gametes. This is Mendel's _____________.

Gametes are formed by _____________

What role does education play in controlling population growth?

Loss of water in the form of liquid droplet occurs through