MDCAT Biology Chapter 3 MCQ's Test With Answers

MDCAT Biology Chapter 3 MCQ's Test

Sr. # Questions Answers Choice
1 By Gram staining technique, gram negative bacteria are stained: Pink Purple Yellow Orange
2 Cell wall is only absent in bacteria: Micrococci Clostridium Pseudomonas Mycoplasmas
3 Most of bacilli and spiral shaped bacteria have: Cilia Pseudopodia Flagella Cirri
4 Spirochete is a thin, flexible: Bacilli Spiral Vibrios Cocci
5 The rod-shaped bacteria are: Bacilli Spiral Vibrios Cocci
6 The spherical or oval bacteria are: Bacilli Spiral Vibrios Cocci
7 The bacterium which is 1.1 to 1.5 μm wide by 2.0 to 6.0 μm long, is: Salmonella typhi Escherichia coli Closteridium botulinum Campylobacter
8 A dutch Scientist "Antone Van Leeuwenhoek" was the first to report the microbes such as: Bacteria Protozoa Both a & b None
9 Trichome mostly breaks near heterocyst and forms hormogonia and thus help in: Fragmentation Budding Binary fission Conjugation
10 Cyanobacteria are photosynthetic partner in most of: Mycorhiza association Commensal association Symbiotic association Lichen association
11 Reserve food material in cyanobacteria is: Starch Cellulose Glycogen All a, b, c
12 Cyanobacteria range in diameter from about: 0.5-1 μm 1-10 μm 5-15 μm 10-100 μm
13 Streptomycin can induce auditory nerve thus causing: Deafness Blindness Dumbness Dullness
14 The procedures to eliminate or reduce the possibility of infection are: Antibodies Antigens Antibiotics Antisepsis
15 Campylobacter is a: Micraerophilic bacterium Aerobic bacterium Anaerobic bacterium Facultative bacterium
16 Bacteria which are able to grow in the presence of oxygen, are called: Aerobic bacteria Anaerobic bacteria Obligate bacteria Facultative bacteria
17 Heterotrophic bacteria are divided into: Saprophytes Parasites Phototrophs Both a & b
18 Photosynthetic autotrophs utilize sunlight as a source of: Heat Food Energy Carbon
19 The cell membrane invaginates into the cytoplasm forming a structure called: Microsome Mesosome Centrosome Metasome
20 The plasma membrane and everything present within is known as: Protoplast Cytoplasm Protoplasm Nucleoplasm
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