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Home » Medical Papers » UHS MDCAT » Aptitude Test - 44
1.Peptidoglycan or murein is a special or distinctive feature of cell wall in
A. Algae
B. Fungi
C. Bacteria
D. Algae
2.In mitochondria, small knob-like structures called F1 particles are found in:
A. Outer membrane
B. Outer compartment
C. Inner membrane
D. Outer membrane
3.The most critical phase of mitosis which ensures equal distribution of chromatids in the daughter cells is
A. Prophase
B. Metaphase
C. Anaphase
D. Prophase
4.Non-disjunction of 21st pair of chromosomes in one of the gamete leads to 47 chromosomes in one individual. This condition is called
A. Turner’s syndrome
B. Klinefelter’s syndrome
C. Down’s syndrome
D. Turner’s syndrome
5.The intake of liquid materials across the cell membrane is
A. Phagocytosis
B. Endocytosis
C. Pinocytosis
D. Phagocytosis
6.Which one of the following is the site of oxidative phosphorylation in mitochondria?
A. Cristae
B. Matrix
C. Outer membrane
D. Cristae
7.Organelle involved in the synthesis of ATP is
A. Ribosome
B. Mitochondria
C. Nucleus
D. Ribosome
8.The most common respiratory substrate as a source of energy is
A. Glucose
B. Sucrose
C. Fructose
D. Glucose
9.The simplest monosaccharide containing keto group is
A. Glyceraldehyde
B. Dihydroxy acetone
C. Glucose
D. Glyceraldehyde
10.If the genetic code is made up of three nucleotides, then total possible genetic codes will be
A. 4
B. 20
C. 64
D. 4
11.Waterproof surfaces like cuticle of leaf and protective covering of an insect’s body are
A. Phospholipids
B. Waxes
C. Terpenoids
D. Phospholipids
12.In translation the terminating codon is
A. GUA
B. UAA
C. UUG
D. GUA
13.All co-enzymes are derived from
A. Proteins
B. Carbohydrates
C. Metal ions
D. Proteins
14.The competitive inhibitors have structural similarity with
A. Active site
B. Binding site
C. Substrate
D. Active site
15.Which one of the following is the optimum pH of pancreatic lipase enzyme?
A. 7.60
B. 8.00
C. 9.00
D. 7.60
16.A co-factor tightly bound to the enzyme on the permanent basis is called
A. Activator
B. Co-enzyme
C. Prosthetic group
D. Activator
17.Which one of the following cells are mainly infected by HIV?
A. T-killer lymphocytes
B. T-helper lymphocytes
C. B-plasma cells
D. T-killer lymphocytes
18.Which one of the following antibiotic causes permanent discoloration of teeth in young children if it is misused?
A. Penicillin
B. Streptomycin
C. Sulfonamide
D. Penicillin
19.What are the sequence of steps in which a bacteriophage attacks bacteria and injects its DNA?
A. Landing  Tall contraction  Penetration  DNA Injection
B. Penetration  Landing  Tall contraction  DNA Injection
C. Tall contraction  Landing  DNA Injection  Penetration
D. Landing  Tall contraction  Penetration  DNA Injection
20.Athlete’s Foot is a disease caused by
A. Bacteria
B. Virus
C. Fungus
D. Bacteria
21.Ascaris is which one of the following?
A. Ectoparasite
B. Intestinal parasite
C. espiratory tract parasite
D. Ectoparasite
22.Polymorphism is a feature exhibited by members of
A. Coelenterates
B. Arthropoda
C. Porifera
D. Coelenterates
23.Which one of the following is the primary host of liver fluke?
A. Man
B. Sheep
C. Snail
D. Man
24.Which one of the following is an example of a free living carnivorous flatworm?
A. Liver fluke
B. Dugesia
C. Tapeworm
D. Liver fluke
25.The sources of staple food for man are plants which belong to the family:
A. Mimosaceae
B. Poaceae
C. Rosaceae
D. Mimosaceae
26.In human, Escherichia coli is involved in the formation of
A. Calcium
B. Vitamin D
C. Vitamin A
D. Calcium
27.The function of Goblet cells is to secrete
A. Gastrin
B. Hydrochloric acid
C. Pepsinogen
D. Gastrin
28.Gastric glands are composed of ___________ types of cells
A. Two
B. Three
C. Four
D. Two
29.HCl in gastric juice is secreted by which one of the following cells?
A. Chief cells
B. Oxyntic cells
C. Mucous cells
D. Chief cells
30.Histamine is produced by which one of the following cells?
A. Basophils
B. Platelets
C. Monocyte
D. Basophils
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