Q. How is the direction of electric current related to the direction of flow of electrons in a wire?

Q. Name the type of joint between pubic bones in the pelvic girdle.

Q. Explain the following statements with reasons. Television is the most popular medium.

Q. Describe any five features of secularism in India.

Q. Give any two functions of plasma membrane.

Q. Write the smallest natural number. Can you write the largest natural number?

Q. What are viruses? How do they differ from other microbes?

Q. What is lymph? How is the composition of lymph different from blood plasma?

Q. Aqua regia is a mixture of ______ and _______ in ___________ratio.

Q. Explain what is optical path length. How is it different from actual path length ?