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Question-1
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-2
Which macro molecule is currently NOT being used as a vaccine in humans?
(A)
Capsular polysaccharides
(B)
Recombinant surface antigens
(C)
Inactivated exotoxins
(D)
DNA - based
Question-3
What does vector mean in mode transmission?
(A)
Insect
(B)
First line of defence
(C)
30 seconds to 1 minute
(D)
Infectious agents
Question-4
The organisms used in the process of fermentation:
(A)
Metabolize all the oxygen in food
(B)
Produce water in the food
(C)
Utilize all the nutrients in a food
(D)
Produce products, such as acids, that inhibit the growth of other organisms
Question-5
Passive immunization is routinely administered to individuals exposed to certain microbial pathogens that cause disease, EXCEPT:
(A)
Botulism
(B)
Diphtheria
(C)
Hepatitis
(D)
Chicken pox
Question-6
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-7
The factor that is least important to control in order to limit food - borne illness is:
(A)
Presence of pesticides
(B)
Presence of microbes
(C)
Temperature of food
(D)
Time of incubation
Question-8
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-9
The disease that is non - communicable is:
(A)
Malaria
(B)
AIDS
(C)
Marasmus
(D)
Jaundice
Question-10
The following diseases are caused by enteroviruses EXCEPT :
(A)
Pleurodynea
(B)
Glomerulonephritis
(C)
Paralysis
(D)
Meningitis
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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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