Q. What are sand dunes?

Q. What were the hermits answers to the three questions? Write each answer separately. Which answers do you like the most and why?

Q. What are vestigial organs? Give some examples of such organs.

Q. Name the sound-producing organ in humans.

Q. What is called dispersion medium?

Q. Name the state where Tuticorin Sea Port is located.

Q. Why is red phosphorus less reactive than white phosphorus?

Q. Describe the friendship between Khushwant Singh and his grandmother.

Q. Explain the following terms: Pistillate flower

Q. Give Reason- Buildings collapse due to earthquakes.