Negri bodies’ are found in the nerve cells infected with virus known as:

i) CD, (Helper) T- lymphocyte

ii) B-lymphocyte

iii) CD, (suppressor) T- lymphocyte

iv) Polymerph

Name the causative agents of the following diseases. How are they transmitted form the patient to a healthy person?

a) Acquired Immunodeficiency Syndrome (AIDS)

b) Hydrophobia

c) Chicken pox

d) Dengue fever

e) Measles

Draw a labeled diagram of a typical bacterial cell showing its various organelles. State the function of each of them. How do bacteria reproduce in nature?

Define chemotherapy. What is their source of production? Give two examples of commonly used antibiotics in hospital. Differentiate between a bactericidal and bacteriostatic antibiotic.

The physical quantity of the measurement 1.4 m correspond to:
i. Length
ii. Mass
iii. Time
iv. Pressure

 Describe the relationship between high blood pressure and thickening or arteries.

 Describe the defect of vision and how are they corrected. Illustrate your answer with the help of a diagram.  

What is buoyant force?