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Home » Medical Papers » UHS MDCAT » Aptitude Test - 15
1.During photorespiration, the glycolate is converted into glycine in a structure of cell called:
A. Golgi Bodies
B. Glyoxisome
C. Haemoglobin
D. Golgi Bodies
2.The respiratory pigment, which has much higher affinity to combine with oxygen, is:
A. Myoglobin
B. Globin
C. Haemoglobin
D. Myoglobin
3.Most of the carbon dioxide is carried in the blood in the form of:
A. Bicarbonate
B. Carboxyhemoglobin
C. CO2
D. Bicarbonate
4.Antibiotics are actually:
A. Globular proteins
B. Glycoproteins
C. Fibrous proteins
D. Globular proteins
5.Heparin prevents blood clots and is released by
A. Eosinophils
B. Monocytes
C. Neutrophils
D. Eosinophils
6.When the dimensions of both sides of an equation are equal, then the equation is said to be
A. Simultaneous
B. Homologous
C. Instantaneous
D. Simultaneous
7.Radian is a unit of angular displacement which can also be measured in degrees. How many radians are equal to one degree?
A. 180/ π
B. π/ 180
C. 2Ï€ /180
D. 180/ π
8.An elevator is moving upwards with constant velocity of ‘v’. What is a weight of a person of a mass ‘m’ inside the elevator during upward motion?
A. mg + mv
B. mg
C. mg ― mv
D. mg + mv
9.When the drag force is equal to the weight of the droplet, the droplet will fall with:
A. High Speed
B. Low Speed
C. Certain acceleration
D. High Speed
10.The density of blood is:
A. Less than water
B. Nearly equal to water
C. Greater than water
D. Less than water
11.For interference of light waves to take place, the required condition is
A. The path difference of the light waves from the two sources must be large
B. The interfering waves must be non-coherent
C. The light waves may come from different sources
D. The path difference of the light waves from the two sources must be large
12.The property of bending of light around an obstacle and spreading of light waves into geometric shadow of an obstacle is called:
A. Diffraction of Light
B. Polarization of Light
C. Quantization of Light
D. Diffraction of Light
13.The normal human eye can focus a sharp image of an object on the eye if the object is located at certain distance called
A. Least Point
B. Near Point
C. Far Point
D. Least Point
14.A source of sound wave emits waves of frequency ‘f’. If ‘v’ is speed of sound waves, then what will be the wavelength of the waves
A. v /f
B. vf
C. v - uo/ f
D. v /f
15.What is the period of mass spring system during SHM if the ratio of mass to spring constant is ¼?
A. π
B. 2Ï€
C. 1/Ï€
D. π
16.A wire is stretched by a force which causes an extension. The energy is stored in it only when:
A. The extension of wire is proportional to force applied
B. The cross-section area of the wire remains constant
C. The wire is not stretched beyond its elastic limit
D. The extension of wire is proportional to force applied
17.Which statement is correct:
A. Elasticity is that property of body which enables body to regain its original dimension
B. Elasticity is that property of a body that does not allow it to return to its original shape
C. Elasticity is that property of a body that allows it to retain its original shape and dimension after the stress is removed.
D. Elasticity is that property of body which enables body to regain its original dimension
18.For a gas of volume V in its equilibrium state, if the pressure does change with time then total kinetic energy of gas is constant because
A. Collisions between gas molecules occur
B. Collisions between gas molecules occur linearly
C. Collisions must be elastic
D. Collisions between gas molecules occur
19.Which of the following is the proper way to study the sinusoidal waveform of the voltage?
A. Voltage is connected to X input and the time base is switched off
B. Voltage is connected to Y input and the time base is switched on
C. Voltage is connected to Y input and the time base is switched off
D. Voltage is connected to X input and the time base is switched off
20.Electron gun in cathode ray oscilloscope contains
A. Filament, cathode, grid, anodes
B. Cathode, anode, capacitor, screen
C. Emitter, base, collector
D. Filament, cathode, grid, anodes
21.If 2 A current passes through a resistor when connected to a certain battery. If the resistance is replaced by the double resistance, then the current will become
A. 2 A
B. 4 A
C. 6 A
D. 2 A
22.In Helium-Neon laser, population inversion of _________ atoms is achieved which emit radiations, when they are stimulated to fall at lower level.
A. Neon
B. Helium
C. Helium and Neon
D. Neon
23.If the number of turns of a solenoid circular coil is doubled, but the current in the coil and radius of the coil remains same, then what will be the magnetic flux density produced by the coil?
A. Magnetic flux density will be halved
B. Magnetic flux density increases by different amount at different points
C. Magnetic flux density remains unchanged
D. Magnetic flux density will be halved
24.Wavelength of X-rays is the order of:
A. 10-6 m
B. 10-10 m
C. 10-13 m
D. 10-6 m
25.Laser beam can be used to generate three-dimensional image of object in a process called:
A. Computed technology
B. Computed tomography
C. Holography
D. Computed technology
26.Which of the following is true for Lasers?
A. Electrons are emitted
B. Stimulated emission of electrons is needed
C. Coherent monochromatic light is emitted
D. Electrons are emitted
27.What is meant by spontaneous emission of electrons in solids?
A. Electrons being emitted by the solids through photoelectric effect when irradiated with electromagnetic radiation
B. Incident electrons colliding with electrons in solids and releasing doubling the number of incident electrons
C. Electrons in solids are emitted without any external stimulus through radiation
D. Electrons being emitted by the solids through photoelectric effect when irradiated with electromagnetic radiation
28.When electrons lose all their kinetic energy in the first collision, the entire kinetic appears as an X-ray photon of energy:
A. K.E = eV
B. K.E = hλmin /c
C. K.E = hc /λmin
D. K.E = eV
29.The characteristic X-ray spectrum is due to:
A. The absorption of neutrons by target material
B. The bombardment of target material by protons
C. The bombardment of target material by electrons
D. The absorption of neutrons by target material
30.Ionizing capability of gamma rays is:
A. Equal to alpha and beta particle
B. Less than alpha but greater than beta particles
C. Less than both alpha and beta particles
D. Equal to alpha and beta particle
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