Living beings have a definite shape and size. The growth of an living organism is an internal and biological process controlled by protoplasm. All organisms are made up of cells. How coordination and healing occurs in living beings?

Which of the following is correct: Cells of all living organisms have a nucleus.

How are living organisms divided into different taxa? What is the name given to this process?

Growth is one of the characteristic of all living organism. Do unicellular organism also grow? If so, what are the parameters?

Respiration is an energy releasing and enzymatically controlled catabolic process which involves a step-wise oxidative breaksown of organic substances inside living cells. In this statement about respiration explain the meaning of Organic substances (used as substrates).

Medicines are either man made or obtained from living organisms like plants, bacteria, animals etc and hence the latter are called natural products. Sometimes natural products are chemically altered by man to reduce toxicity or side effects. Write against each of the following whether they were initially obtained as a natural product or as a synthetic chemical. Growth ................ harmone