Levels of Organization Questions and Answers - 3

Question: 11

What are the basic features of a cell?

They are

(i) An outer limiting membrane

(ii) A genetic material

(iii) Enzymes, its reactants and products.

Question: 12

Define digestion?

The breakdown of complex food into simple chemical substances by enzymes, which can be absorbed and assimilated by the body.

Question: 13

What is photoperiodism?

The response of the plant to relative length of light and dark periods is called as photoperiodism.

This was discovered by Garner and Allard.

Question: 14

Expand NMEP?

National Malaria Eradication Programme.

Question: 15

What is the volume of blood in man?

In a healthy person the volume of blood varies from 6% to 8% of the body weight.