1. An anaerobic species of the bacterium Clostridium causes a very serious disease in human populations. Which of the following diseases is it?

2. A particular cell organelle is sometimes referred to as the `suicide bag' because it contains certain enzymes (acid hydrolase) that can break down the cell components or even the whole cell. Which one of the following is such an organelle?

3. Dengue fever is spread by

4. Autophagy is the function of

5. The primary energy for living organisms is

6. The protoplasm of a child is exactly the same as that of its

7. The cytoplasm of a cell refers to

8. Plant cells can usually be distinguished because only plant cells possess

9. The smallest size of a cell which can be seen directly by the eye is

10. Which of the following vitamins helps in the absorption of calcium?