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Home » Medical Papers » UHS MDCAT » Aptitude Test - 48
1.Electronic configuration of Gold [Au79] is
A. [Xe] 4f14, 5d10, 6s1
B. [Xe] 4f10, 5d10, 6s2
C. [Xe] 4f14, 5d9, 6s2
D. [Xe] 4f14, 5d10, 6s1
2.Electronic configuration of Gold [Au79] is
A. [Xe] 4f14, 5d10, 6s1
B. [Xe] 4f10, 5d10, 6s2
C. [Xe] 4f14, 5d9, 6s2
D. [Xe] 4f14, 5d10, 6s1
3.About 80% of ammonia is used for the production of
A. Explosives
B. Fertilizers
C. Nylon
D. Explosives
4.Urea is the most widely used nitrogen fertilizer in Pakistan. Its composition Is
A. NH2CO
B. N2H5CO2
C. N2H4CO2
D. NH2CO
5.What is the percentage of nitrogen in NH3NO3?
A. 65%
B. 35%
C. 20%
D. 65%
6.Which one of the following is a powerful electrophile used to attack on the electrons of benzene ring?
A. FeCl2
B. FeCl4 –
C. Cl+
D. FeCl2
7.Order of reactivity of alkenes with hydrogen halide is:
A. HBr > HI > HCl
B. HI > HBr > HF
C. HF > HI > HCl
D. HBr > HI > HCl
8.Which one of the following was used as one of the earliest antiseptic and disinfectant?
A. Phenol
B. Ether
C. Ethanol
D. Phenol
9.Which one of the following is NOT able to denature the ethanol?
A. Methanol
B. Lactic acid
C. Pyridine
D. Methanol
10.How will you distinguish between methanol and ethanol?
A. By Lucas test
B. By silver mirror test
C. By oxidation
D. By Lucas test
11.To produce absolute alcohol (100%) from rectified spirit (95.6% alcohol), the remaining 4.4% water must be removed by a drying agent such as
A. Calcium oxide
B. Calcium chloride
C. Calcium carbonate
D. Calcium oxide
12.Which one of the following is also called silver mirror test?
A. Fehling’s solution test
B. Iodoform test
C. Tollen’s reagent
D. Fehling’s solution test
13.Both aldehydes and ketones are planer to the neighborhoods of carbonyl (C=O) group. Which one of the following bonds is distorted towards the oxygen atoms?
A. π-bond of C and O
B. Sigma bond of C and H
C. Sigma bond of C and O
D. π-bond of C and O
14.The specific substances (metabolite) that fits on the enzyme surface and is converted to products is called
A. Co-factor
B. Prosthetic group
C. Isoenzyme
D. Co-factor
15.Polymide is formed due to the condensation od hexane-dioic acid with
A. Hexane-1,5-diamine
B. Hexane-1,6-diamine
C. Hexane-1,4-diamine
D. Hexane-1,5-diamine
16.Haemoglobin is a
A. Genetic protein
B. Building protein
C. Transport protein
D. Genetic protein
17.Out of these which nitrogen base is NOT present in DNA?
A. Adenine
B. Guanine
C. Uracil
D. Adenine
18.Which one of the following is an example of co-polymer?
A. Polyamide
B. Polystyrene
C. Polyvinyl acetate
D. Polyamide
19.The biggest source of acid rain is the oxide of
A. N
B. S
C. O
D. N
20.Burning of which one of the following waste is considered as useful industrial fuel or to produce electricity
A. Metals
B. Grass
C. Paper
D. Metals
21.Standard enthalpy of combustion of graphite at 25 oC is –393.51 kJ mol-1 and that of diamond is –395.41 kJ mol-1. The enthalpy change for graphite is:
A. – 1.91
B. +2.1
C. –2.1
D. – 1.91
22.10.0 grams of glucose are dissolved in water to make 100 cm3 of its solution, its molarity is:
A. 0.55
B. 0.1
C. 10
D. 0.55
23.Given solution contains 16.0 g of CH3OH, 92.0 g of C2H5OH and 36 g of water. Which statement about mole fraction of the components is true?
A. Mole fraction of CH3OH is highest among all
B. Mole fraction of C2H5OH and H2O is the same
C. Mole fraction of CH3OH and C2H5OH is same components
D. Mole fraction of CH3OH is highest among all
24.In spite of all the torture, the police has failed to _________ any confession from the thief.
A. Convince
B. Elicit
C. Refuse
D. Convince
25.It is the duty of a teacher to _________ moral values in his students besides teaching.
A. Tell
B. Record
C. Inculcate
D. Tell
26.Many of the houses in Murree have basic __________.
A. Amenities
B. Accuracy
C. Affinity
D. Amenities
27.Youngsters who indulge in love affairs are usually __________ in worldly manners.
A. Adjoined
B. Addled
C. Adjured
D. Adjoined
28.The continuous spectrum of X-ray is formed due to:
A. Characteristics of X-rays
B. Bremsstrahlung X-ray
C. Soft X-ray
D. Characteristics of X-rays
29.Wavelength of γ-rays is:
A. Equal to the X-rays
B. Longer to the X-rays
C. Shorter to the X-rays
D. Equal to the X-rays
30.Thorium is transformed after the transmission of β-particle into:
A. Bismuth
B. Protactinium
C. Polonium
D. Bismuth
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