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Question-1
Milk that can remain on supermarket shelves, free of microbial growth, for many years has been processed by which of the following methods?
(A)
Use of humectants
(B)
Using antibiotics in animal feed
(C)
Sequestrants
(D)
Aseptic processing
Question-2
What does vector mean in mode transmission?
(A)
Insect
(B)
First line of defence
(C)
30 seconds to 1 minute
(D)
Infectious agents
Question-3
Nitrite prevents the growth of:
(A)
C. botulinum
(B)
C. perfringens
(C)
S. sureus
(D)
Yeasts
Question-4
Immuno-deficiency syndrome could develop due to:
(A)
Defective liver
(B)
Defective thymus
(C)
AIDS Virus
(D)
Weak immune system
Question-5
The disease that is non - communicable is:
(A)
Malaria
(B)
AIDS
(C)
Marasmus
(D)
Jaundice
Question-6
Lymphadenopathy is another term for which stage of AIDS?
(A)
The final stage
(B)
Asymptomatic carrier stage
(C)
The third stage of the syndrome
(D)
Initial infection
Question-7
Pasteurization involves the:
(A)
Exposure of food to high temperatures for short periods to destroy harmful microorganisms
(B)
Exposure of food to heat to inactivate enzymes that cause undesirable effects in foods during storage
(C)
Fortification of foods with vitamins A and D
(D)
Use of irradiation to destroy certain pathogens in foods
Question-8
Each of the following statements concerning Candida albicans is correct except:
(A)
C. albicans is budding yeast that forms psuedohypae when it invades tissue
(B)
C. Albicans cause thrush
(C)
C. Albicans is transmitted primarily by respiratory aerosol
(D)
Impaired cell mediated immunity is an important predisposing factor to disease
Question-9
Milk that can remain on supermarket shelves, free of microbial growth, for may years has been processed by which of the following methods?
(A)
Use of humectants
(B)
Using antibiotics in animal feed
(C)
Sequestrants
(D)
Aseptic processing
Question-10
All of the following diseases are caused by bacteria except:
(A)
Plague
(B)
Yellow fever
(C)
Typhus
(D)
Cholera
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Cambridge Secondary Grade 9
IGCSE
Practice in Related Chapters
The Interdependence of Living Organisms
Feeding
Keeping Healthy
Transport in Plants
Classification
Cells and Tissues
Movement in and out of Cells
Personal Health
Animal Nutrition
Reproduction
Sensitivity
Cells the Building Blocks
Genetics
The Skeleton, Muscles and Movement
A Sexual Reproduction and Cloning Plants
The Senses
Survival
Co-ordination
Energy for Respiration
The Chemicals of Living Cells
How Substances Get In and Out of Cells
Plants for Food
Photosynthesis and Nutrition in Plants
Plant Structure and Function
Food and Diet
The Human Impact on the Environment
Digestion, Absorption and Use of Food
The Blood Circulatory System
Breathing
Excretion and the Kidneys
Human Reproduction
Classification
Conservation
Micro Organisms
Reproduction in Flowering Plants
Movement and Locomotion
Growth and Development
Disease: causes, transmission and control
Ecosystems
Population
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