100+ Interesting Biology Questions and Answers - 2

Question: 6

What is a blood bank?

Blood bank provide blood to needy persons during major operations, accident victims etc.

They collect blood from normal person after screening the blood and store it to give to needy people.

Question: 7

What is photosynthesis?

Photosynthesis is a biological process in which green plants synthesis carbohydrates, utilising the light energy, water and carbon dioxide.

Question: 8

What is transpiration?

The loss of water in the form of water vapour through aerial parts of the plants (leaves) is called transpiration.

Question: 9

What are macronutrients?

Macro nutrients are elements which the plant utilises in large quantities (e.g) carbon, hydrogen, oxygen.

Question: 10

What is the life span of R.B.C.?

About 120 days.