MDCAT Biology Chapter 3 MCQ's Test With Answers

MDCAT Biology Chapter 3 MCQ's Test

Sr. # Questions Answers Choice
1 Bacteria increase in number asexullay by Mitosis Binary fission Conjugation Lag phase
2 An example of aerobic bacterium is Pseudomonas Siprocheta E. coli Campylobacter
3 Comylobacter is an example of which of the following bacteria Microacrophilic Aerobic facultive Anaerobic All these
4 One of the following is a technique used to preserve milk and milk products Gene therapy Immunization Pasteurization Preventive measures
5 The bacteria that are able to grow in the presence of oxygen are called Anerobic bacteria Aerobic bacteria Facultative bacteria Chemosynthetic bacteria
6 Green sulphur bacteria, purple sulphur bacteria and purple non-sulphur bacteria are examples of which of the following bacteria Saprotrophic photosynthetic Parasites Chemosynthetic
7 In Chemotherapy Cancerous parts are exposed to short wave radiation Administrating certain anti-cancerous Gene therapy All of these
8 The accessory pigments in cyanobacteria Carotenes Bacteriochlorophyll Phycobilins All these
9 Bacteria that are fully dependent upon their host for their nutrition are termed Parasitic bacteria Autotrophic bacteria Chemoshynthetic bacteria Facultative bacteria
10 The bacteria that cannot synthesize their own organic compounds from simpler inorganic substances are called Autotrophic Chemosynthetic Heterotrophic Saproprophitic
11 The structure present in between capsule and cell membrane of bacteria Slime Flagella Cell wall Basal body
12 Chemotherapeutic chemical substances which are used in treatment of infectious diseases Vaccines Antibiotics Antiseptics Disinfectants
13 Thick-walled dormant bodies formed during differentiation of vegetative cells that resist desiccation and can germinate under suitable conditions are called Spores Exospores Endospores Cysts
14 Metabolically dormant bodies produced at a later stage of bacterial cell growth that germinate under favourable conditions to form vegetative cells are called Condia Spores Gemmules Cysts
15 Invaginations of cell membrane of a bacterial cell into the cytoplasm in the form of vesicular tubules or lamellae concerned with DNA replication are Endoplasmic reticulum Lysosomes Mesosomes Plasmodesmeta
16 The ribosomes in bacterial cell are Same as in eukaryotic cell Larger than those in eukaryotic cell Smaller than those in eukaryotic cell Absent
17 The protein factories in a bacterial cell are Mesosomes Ribosomes Golgi bodies Nucleoid
18 An irregular dense area in a bacterial cell formed by a single circular, double-stranded DNA molecule is Mesosome Plasmid Nucleoid Cyst
19 Double stranded circular DNA molecule present in bacterial cell in addition to chromosomes are called Plasmid Mesosome Nucleoid Nucleoli
20 Bacterial membrane differs from eukaryotic membrane in lacking sterols such as Cholestrol Lactic acid Acetic acid Alcohol
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