MDCAT Biology Chapter 3 MCQ's Test With Answers

MDCAT Biology Chapter 3 MCQ's Test

Sr. # Questions Answers Choice
1 The single stranded RNA is converted DNA by the enzyme Reverse transcriptase Reverse transferase Reverse lyase Reverse peptidase
2 Tumor viruses are composed of Single stranded RNA Coiled RNA Double stranded RNA DNA
3 Mums and measles are caused by Paramixovirsus Polio viruses TM viruses All of these
4 Viruses multiply themselves within the host cell of Bacteria Plants Fungi Eukaryotes
5 The phage which causes lysogeny is called Prophage Temperate phage Lysogenic phage Both b and c
6 The phase in which bacteriophage causes lysis of the host cell is called Lysogenic phase Lytic phase Virulent phase Both b and d
7 Bacteriophage dissolve bacterial cell wall by producing the enzyme Holoenzyme Lysozyme Peptide gluconases Lipases
8 When two nuclei of fungus are joined to form Dikaryotic Dikaryon Heterokaryon Both a and b
9 The division of nucleus in fungus is called Karyogamy Plasmogamy Sexual copulation None of these
10 Conidial producing structure of fungus is called Sporangia Conidiphore Colomella All of these
11 Asexual reproduction it fungi is usually take place by Conidia Spore Budding All of these
12 A scientist that studies on fungus is a Mycologist Algologist Microbiologist None of these
13 Chemical substances used on living tissues to inhibit growth of bacteria is called Antibiotics Antiseptics Vaccination None of these
14 Bacterial growth can be controlled specifically by using Antibiotics Medicines Fungicides Herbicides
15 Bacteria prepare themselves for cell division is known as Log phase Lag phase Stationary phase Decline phase
16 Bacteria prepare food from dead organic matter is known as Heterotrophic Saprophytic Both of these Parasitic
17 The enzymes of respiration in bacteria are located in Cell wall Cell membrane Cytoplasm Mitochondria
18 The difference between bacterial and eukaryotic cell membrane is the lack of Lipds Cholesterol Phosphate Proteins
19 Peptidoglycan is the characteristics of Gram-ve bacteria Gram+ve bacteria In both of these None of them
20 The amount of peptidoglycan in the bacterial cell wall is 35-40% 45-50% 50% 60%
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