1. Time in minutes at a specific temperature needed to kill a population of cells or spores usually at 121°C is known as;

a) D value

b) Z value

c) F value

d) None of the above

 

2. Time required to reduce 90% of a specific bacterial population in a given medium at given temperature is known as;

a) F value

b) D value

c) Z value

d) Lethal dose

 

3. The shape of Yeast is;

a) Spiral

b) Rod

c) Cocci

d) Oval

 

4. Yeast is normally reproduced through?

a) Binary Fission

b) Budding

c) Spore formation

d) Replication

 

5. The most common cause of Gastroenteritis is;

a) Norovirus

b) Vibrio cholerae

c) Yersinia enterocolitica

d) Bacillus cereus

 

6. Which of the following is known as Winter Vomiting Disease?

a) Yersinia enterocolitica

b) Gastroenteritis

c) Norwalk virus

d) Staphylococcus aureus

 

7. Microbes which grow in the higher concentration of CO2 are known as;

a) Mesophiles

b) Capnophiles

c) Caprophiles

d) Capcophiles

 

8. The stage at which the rate of cell growth equals to cell death is known as;

a) Lag phase

b) Stationary phase

c) Death phase

d) Exponential phase

 

9. The relationship between two species of plants or animals in which one benefits at the expense of the other, sometimes without killing the host organism is known as;

a) Mutualism

b) Commensalism

c) Parasitism

d) None of the above

 

10. Barophiles are the bacteria which grow at?

a) High Temperature

b) High Pressure

c) High Salt

d) High water

 

11. Albuminurophobia is the disease of?

a) Fear of Liver Disease

b) Fear of Lungs Disease

c) Fear of Kidney Disease

d) Fear of Brain Tumor

 

12. Substance unintentionally added in food component from the production process is known as;

a) Adulterants

b) Contaminants

c) Additives

d) All of the above

13. Exposure to ________ in not harmful as it is excreted by the kidney.

a) Lead

b) Aluminum

c) Copper

d) Nickel

 

14. Copper when leached into the food results in?

a) Heart damage

b) Stomach damage

c) Renal damage

d) Brain damage

 

15. FIFA stands for:

a) Federation Internationale de Football Association

b) Footbal International Funding Accreditation

c) Football International Football Authority

d) None of these

 

16. Capital of Australia is:

a) Sydney

b) Melbourne

c) Canberra

d) Both A & C

 

 

17. The current Legislative Capital of Sri Lanka is:

a) Sri Jayawardenepura Kotte

b) Colombo

c) Both A and B

d) Galle

 

18. Who is the current Prime Minister of Israel?

a) Yair Lapid

b) Naftali Bennett

c) Benjamin Netanyahu

d) None of these

 

19. The theme of World Water Day 2024 was:

a) Water and War

b) Water-A Blessing

c) Water for Peace

d) Water is Health

 

20. International Day of Forests is celebrated on:

a) March 21

b) March 22

c) March 23

d) March 24

 

 

21. Which country is home to the World's most ancient forests?

a) Pakistan

b) India

c) Australia

d) USA

 

22. Who is the 71st US Secretary of State?

a) Antony J. Blinken

b) Llyod Austin

c) Evan Ryan

d) None of these

 

23. Pedagogy is the science of:

a) Anaesthesia

b) Plantation

c) Infants Study

d) Teaching

 

24. McMohan Line is an international border between:

a) India and Afghanistan

b) India and Nepal

c) India and China

d) India and Sri Lanka

 

 

25. Vladimir Putin becomes Russian President for the:

a) 3rd time

b) 4th time

c) 5th time

d) 6th time

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