Q. Which of the following are matter?Chair, air, love, smell, hate, almonds, thought, cold, cold – drink, smell of perfume. Give reasons for the following

Q. What is a representative democracy?

Q. Define the frequency and time period of a wave. What is the relation between the two?

Q. What do you understand by the process of transpiration? List atleast five advantages of transpiration.

Q. Differentiate between skilled, semi – skilled and unskilled labour.

Q. Why should a meal have different food items?

Q. Describe the histology of human testis. Write a note on human sperm.

Q. Mjolis is a card game of Sweden.Name a few indoor games played in your region. Chopar could be an example.

Q. What are Antacids? Give one example.

Q. The French revolution popularized many symbols. Each symbol depicted some basic values. Mention such symbols and their related meanings.