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Home » Medical Papers » Aptitude Test - 46
Hassan
1.Which component of the cell is concerned with cell secretions?
A. Plasma membrane
B. Golgi complex
C. Cytoskeleton
D. Plasma membrane
2. A situation in which one gene affects two or more unrelated characters is called:
A. Epistasis
B. Pleiotropy
C. Dominance relation
D. Epistasis
3.During which period of interphase (cell cycle) DNA is synthesized?
A. G1
B. G2
C. S
D. G1
4.The mutation which causes change in the sequence of DNA is called:
A. Point mutation
B. Chromosomal mutation
C. Deletion
D. Point mutation
5.Peptidoglycan or murein is a special or distinctive feature of cell wall in
A. Algae
B. Fungi
C. Bacteria
D. Algae
6.In mitochondria, small knob-like structures called F1 particles are found in:
A. Outer membrane
B. Outer compartment
C. Inner membrane
D. Outer membrane
7.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
8.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
9.The intake of liquid materials across the cell membrane is
A. Phagocytosis
B. Endocytosis
C. Pinocytosis
D. Phagocytosis
10.Which one of the following is the site of oxidative phosphorylation in mitochondria?
A. Cristae
B. Matrix
C. Outer membrane
D. Cristae
11.Organelle involved in the synthesis of ATP is
A. Ribosome
B. Mitochondria
C. Nucleus
D. Ribosome
12.The most common respiratory substrate as a source of energy is
A. Glucose
B. Sucrose
C. Fructose
D. Glucose
13.The simplest monosaccharide containing keto group is
A. Glyceraldehyde
B. Dihydroxy acetone
C. Glucose
D. Glyceraldehyde
14.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
15.Waterproof surfaces like cuticle of leaf and protective covering of an insect’s body are
A. Phospholipids
B. Waxes
C. Terpenoids
D. Phospholipids
16.In translation the terminating codon is
A. GUA
B. UAA
C. UUG
D. GUA
17.All co-enzymes are derived from
A. Proteins
B. Carbohydrates
C. Metal ions
D. Proteins
18.The competitive inhibitors have structural similarity with
A. Active site
B. Binding site
C. Substrate
D. Active site
19.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
20.A co-factor tightly bound to the enzyme on the permanent basis is called
A. Activator
B. Co-enzyme
C. Prosthetic group
D. Activator
21.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
22.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
23.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
24.Athlete’s Foot is a disease caused by
A. Bacteria
B. Virus
C. Fungus
D. Bacteria
25.Ascaris is which one of the following?
A. Ectoparasite
B. Intestinal parasite
C. espiratory tract parasite
D. Ectoparasite
26.Polymorphism is a feature exhibited by members of
A. Coelenterates
B. Arthropoda
C. Porifera
D. Coelenterates
27.Which one of the following is the primary host of liver fluke?
A. Man
B. Sheep
C. Snail
D. Man
28.Which one of the following is an example of a free living carnivorous flatworm?
A. Liver fluke
B. Dugesia
C. Tapeworm
D. Liver fluke
29.The sources of staple food for man are plants which belong to the family:
A. Mimosaceae
B. Poaceae
C. Rosaceae
D. Mimosaceae
30.In human, Escherichia coli is involved in the formation of
A. Calcium
B. Vitamin D
C. Vitamin A
D. Calcium
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