Q. Express the following matrices as the sum of a symmetric and a skew symmetric matrix:

Q. Give reasons for the following: Leukocytes are called soldiers of our body.

Q. “Coordination is not a separate function of management. It is the essence, of management.” Explain with the help of a suitable example.

Q. What is the difference between combustible and non – combustible substances?

Q. Define a sere.

Q. Give any two ways in which biodegradable substances would affect the environment.

Q. What are the two properties of carbon which lead to the formation of a large number of carbon compounds?

Q. Fill in the blanks : The gaseous form of water found in air…………..

Q. What is the scientific name of the garden pea?

Q. Amoeboid cells in humans.