MDCAT Biology Chapter 3 MCQ's Test With Answers

MDCAT Biology Chapter 3 MCQ's Test

Sr. # Questions Answers Choice
1 Photosynthetic bacteria possess chlorophyll which differ from the chlorophyll of: Yellow plants Green plants Blue Green plants Purple Plants
2 On the basis of energy source, autotrophic bacteria can be divided into: Photosynthetic Chemosynthetic Saprophytic Both a & b
3 Bacteria that can synthesize organic compounds from simple inorganic substances are known as: Autotrophs Heterotrophs symbionts Lichen
4 Parasitic bacteria are fully dependent on their host for their: Respiration Excretion Nutrition Growth
5 A material obtained by the partial decay of plants and animals is: Hunch Humus Sterols Murein
6 Bacteria that cannot synthesize their organic compounds from simple inorganic substances are: Autotrophs Heterotrophs Symbionts Lichen
7 Dormant, thick-walled desiccation resistant forms present in bacteria are: Cysts Exospores Endospores Both a & b
8 Spores are resistant to adverse physical environment condition such as: High temperature Desication Chemical agents Al a, b, c
9 In addition to chromosomes, many bacteria contain: Mitochondria Chloroplasts Plasmids Glyoxysomes
10 DNA aggregates as an irregular shaped dense area called: Nucleoid Chromatin Body Chromatid Both a & b
11 The nuclear material or DNA in bacterial cells is a single, circular and: Single stranded Double stranded Tertiary Quaternary
12 The cytoplasm of prokaryotic cell lacks membrane bound organelles and: Cytoskeleton Ribosomes Lipid granules Enzymes
13 The cell walls of most bacteria have a unique macromolecule called: Teichoic acid Lipoprotein Peptidoglycan Polysaccharide
14 Slime provides greater pathogenicity to bacteria and protects them against: Pinocytosis Phagocytosis Invasion Both a & b
15 Some bacteria are covered with loose, soluble shield of macromolecules which is called as: Slime capsule Pellicle Seath None
16 In bacteria, some pili function as a mean of: Organization Accessory Addition Attachment
17 Pili are primarily involved in a mating process between cells called: Plasmogamy Budding Akinetes Conjugation
18 Pili are made up of special protein called: Cilin Pilin Flagellin Tubulin
19 True pili are present on: Gram negative bacteria Gram positive bacteria Both a & b None
20 Hollow, nonhelical,filamentous appendages in bacteria are: Cilia legs flagella pili
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