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Home » Medical Papers » UHS MDCAT » Aptitude Test - 21
1.Which of the following compounds, in the form of aqueous solution, on reaction with sodium carbonate will produce carbon dioxide gas?
A. H3C-COO-C2H5
B. H3C2-COO-CH3
C. H3C2-CO-OH
D. H3C-COO-C2H5
2.Which of the following will be hemophilic?
A. XHXh
B. XHXH
C. XhY
D. XHXh
3.Collagen and albumin are
A. Simple proteins
B. Derived proteins
C. Polyamides
D. Simple proteins
4.Urea is produced by the reaction of liquid ammonia with
A. CO2
B. CO
C. CaO
D. CO2
5.The calcium sulpho-aluminate is
A. Co.Al2O3.3CaSO4.6H2O
B. 3Ca.Al2O3.CaSO4.2H2O
C. 3Ca.Al2O3.3CaSO4.2H2O
D. Co.Al2O3.3CaSO4.6H2O
6.Which of the following is an example of X-linked recessive trait in humans?
A. Hypophospatemic Rickets
B. Colour Blindness
C. Baldness
D. Hypophospatemic Rickets
7.The coagulant used in raw water to precipitate suspended impurities is
A. Caustic soda
B. Lime water
C. Alum
D. Caustic soda
8.The whiteness of the recycled newspaper is improved by treating it with
A. Sodium hydroxide
B. Per oxides
C. Super oxides
D. Sodium hydroxide
9.Which trait in human in an example of multiple alleles?
A. Eye Colour
B. Skin Colour
C. ABO-Blood Group
D. Eye Colour
10.One mole of any gas at standard temperature and pressure (STP) occupies a volume of
A. 20.414 dm3
B. 22.414 dm3
C. 22.414 cm3
D. 20.414 dm3
11.When a gene pair at one locus interacts with another gene at another locus, the interaction is called
A. Dominance
B. Multiple Alleles
C. Pleiotropy
D. Dominance
12.The combination of a pentose sugar with a base result in a compound is known as
A. Nucleotide
B. Nucleoside
C. Nucleic Acid
D. Nucleotide
13.The relative abundance of the isotopes of the elements can be determined by:
A. Mass Spectrometry
B. Mass-mole relationship
C. Mole-volume relationship
D. Mass Spectrometry
14.An enzyme and substrate reacts through a special feature or site present in enzyme:
A. Building Site
B. Active Site
C. Catalyst Site
D. Building Site
15.If we are given the mass of one substance, we can calculate volume of other substances and vice a versa with the help of balanced chemical equation. This is called
A. Mass-mass relationship
B. Mass-mole relationship
C. Mole-volume relationship
D. Mass-mass relationship
16.The non-protein part of enzyme which is covalently and permanently bonded is called
A. Prosthetic Group
B. Co-Factor
C. Co-Enzyme
D. Prosthetic Group
17.One of the pyrimidine bases is absent in DNA
A. Uracil
B. Thymine
C. Cytosine
D. Uracil
18.Enzymes increase the rate of reaction by
A. Increasing Temperature
B. Decreasing pH
C. Decreasing Activation Energy
D. Increasing Temperature
19.Which one of the following diseases caused by enveloped RNA virus and spread in epidemic form?
A. Influenza
B. Herpes Simplex
C. Polio
D. Influenza
20.The structure which contains the gene for drug resistance bacteria are
A. Nucleoids
B. Mesosomes
C. Chromatin Bodies
D. Nucleoids
21.Antibiotics that kill microbes immediately are called
A. Microbistatic
B. Microbicidal
C. Biostatic
D. Microbistatic
22.Which one of the following fungi causes vaginal thrush?
A. Candida
B. Aspergillus
C. Tortula
D. Candida
23.Sublimation is used to purify
A. Ammonium sulphate
B. Sodium chloride
C. Benzoic acid
D. Ammonium sulphate
24.Body cavity of round worms is called
A. Pseudocoelom
B. Coelom
C. Acoelom
D. Pseudocoelom
25.Fasciola is endoparasite of
A. Colon
B. Liver
C. Small Intestine
D. Colon
26.The purity of a substance can be identified by
A. Sublimation
B. Filtration
C. Chromatography
D. Sublimation
27.Trypanosoma is transmitted in human beings by
A. Plasmodium
B. Anopheles
C. House Fly
D. Plasmodium
28.The root mean square velocity of gases is inversely proportional to the square root of their:
A. Molar mass
B. Temperature
C. Pressure
D. Molar mass
29.Plasma is the ionized gas mixture which consists of
A. Ions and electrons
B. Electrons and neutral atoms
C. Electrons, ions and neutral atoms
D. Ions and electrons
30.The nervous system develops from which of the following layer during embryonic development of animals
A. Mesoderm
B. Ectoderm
C. Endoderm
D. Mesoderm
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