1. Which of the following is the main circulatory fluid in our body ?

2. Which one of the following contains haemoglobin?

3. What is the function of WBCs?

4. Blood platelets help in

5. The muscular tube through which stored urine is passed out of the body is called:

6. They are pipe-like, consisting of a group of specialised cells. They transport substances and form a two-way traffic in plants. Which of the following terms qualify for the features mentioned above?

7. The absorption of nutrients and exchange of respiratory gases between blood and tissues takes place in:

8. In which of the following parts of human body are sweat glands absent?

9. In a tall tree, which force is responsible for pulling water and minerals from the soil?

10. Aquatic animals like fish excrete their wastes in gaseous form as