Answer all the questions. The choice is internal. Each question carries 3 marks.

Distinguish between physical and chemical change.

In the following, indicate whether it is a physical or a chemical change

Making bread from wheat dough.

Evaporation of water from sea.

2. What is Biochemistry? Name four important biomolecules in the liquid food -Milk.

OR

(a)Name the two important polynucleotides.

Give the name of the test used to detect glucose in urine and write the name of the reagent used.

Mention the three sources which contribute to form glucose in blood.

Name any three abnormal constituents urine.

Distinguish between Catabolism and Anabolism.

Explain Glucose Tolerance Test.

Define Biocatalysts.

Name the four factors which affect the activity of biocatalysts.

OR

What are lipids? How are they classified?

Write any two biological functions of lipids.

6. Give the meaning of the following keywords, in one sentence each;

Atherosclerosis

Metabolism

Coenzyme

Dialysis

Antigen

Extracellular fluid


Define Random Error.

Explain how you will minimize random error. Support your answer with an example.

8. Define Force as per Newton's First Law of Motion. Explain with example from hospital setting.

9. State the application of atmospheric pressure for any three patient care procedures in the hospital setting.

10. Enlist the useful effects of Ultra-Violet Radiation for human beings. Support your answer with examples from the field.

11. Fill in the blanks in the following statements:

When a person is standing, his/her centre of gravity is located in the

The eye has a self-regulating pressure system that maintains pressure to keep it in good shape.

Electric current flowing in a conductor wire produces field.

Displacement and velocity are the examples of quantities in physics.

The Least Distance of Distinct Vision for normal human eye is cm.

12. Read the following statements and write if the statement is true and if it is false.

Water seal drainage used after thoracic surgery works on the principle of controlled suction and gravity.

One gram of protein yields approximately 4 k calories.

A high humidity needs to be maintained in operation theatre to prevent drying of exposed tissues.

The lever action of Jaw bone is based on Class-III lever.

Gases and air are good conductors of heat.


13. Briefly explain the classification of Microbes.

14. Define any four of the following:

Cross infection

Nosocomial infection

Secondary infection

Acute infection

Endogenous infection

Exogenous infection

15. Describe any four ways (methods) of transmission of human virus.

16. Why are mycobacteria called as acid fast bacteria?

Name the diseases caused by pathogenic mycobacteria.

Write the investigations you will carry out to identify the mycobacteria.

17. Write if the statement is true and if the statement is false in your answer book against each statement.

Staphylococcus is a gram negative bacteria.

An organism that derives its nourishment from a living plant or an animal host is a parasite.

Immunity is defined as the ability of the body to recognize, destroy and eliminate antigenic material foreign to its own.

Immunity which results from an attack of disease is an artificially acquired immunity.

18.(a) Discuss the role of food III prevention of disease.

List the sources of food of the following:

Folic acid

Vitamin K


19.(a) Discuss the concept of balanced diet.

Explain body building foods with the help of examples.

20. Describe any three of the following:

Rationale for assessment of nutritional status

Diet Therapy III Protein Energy Malnutrition

Dietary Management of Gluten Enteropathy

Measures to promote food safety