MDCAT Biology Chapter 3 MCQ's Test With Answers

MDCAT Biology Chapter 3 MCQ's Test

Sr. # Questions Answers Choice
1 Antibiotics are synthesized and secreted by certain bacteria, actinomycetes and: Algae Fungi Lichen Virus
2 A disease transmitted to people by bites from rabid dogs, cats, and other animals is: Hydrophobia Rabies Both a & b Myopia
3 Pasteur also made a vaccine for: Hydrophobia Rabies Both a & b Myopia
4 Pasteur called the attenuated cultures of bacteria, vaccine and immunization with attenuated cultures of bacteria: Vaccination Inoculation Injection Shot
5 Tetracycline and penicillin are: Disinfectants Antiseptics Antibiotics Antigens
6 Methods of prevention and treatment that have been introduced to control microbial diseases include: Immunization Antisepsis Chemotherapy All a, b, c
7 Disinfectants inhibit the growth of vegetative cell and are used on: living materials nonliving materials both a & b none
8 Halogens and phenols, hydrogen peroxide, potassium per magnate, alcohol and formaldehyde are. disinfectants antibiotics antiseptics antigens
9 Membra fillers are used to sterilize heat sensitive compounds like: Antibiotics Serums Hormones all a,b,c
10 Certain electromagnetic radiations bellows 300 nm are effective in killing of: plants mammals birds microorganisms microorganisms
11 The heat that causes oxidation of chemical constituents of microbes and kills them: moist heat dry heat intense heat mild heat
12 The heat that causes coagulation of proteins and kills the microbes: Moist heat Dry heat Intense Mild heat
13 Bacterial species known to cause disease in humans are approximately: 50 100 200 300
14 Bacteria are used in number of industries, including: Food Drugs Biotechnology All a, b, c
15 Bacteria play a significant role the completion of cycle of: Nitrogen Phosphorus Sulphur and carbon All a, b, c
16 bacteria decompose: ORganic matter Inorganic matter both a & b None
17 Facultative bacteria grow either in the presence absence of: Carbon Nitrogen hydrogen Oxygen
18 Some bacteria are neither aerobic nor anaerobic but: Obligate Facultative Symbiont Commensal
19 Bacteria which can grow in the absence of oxygen are known as: Anaerobic Aerobic Obligate Facultative
20 Chemosynthetic bacteria oxidize inorganic compounds like: Ammonia Nitrate Sulphur All a, b, c
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