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Home » Medical Papers » UHS MDCAT » Aptitude Test - 51
1.In _____________ response, β-cells produce plasma cells that synthesize antibodies and release in blood plasma and tissue fluid.
A. Cell-Mediated
B. Hormonal
C. Humoral
D. Cell-Mediated
2.Passive immunity is used against:
A. Malaria
B. Typhoid
C. Dengue
D. Malaria
3. B-lymphocytes are named due to their relationship with:
A. Blood
B. Bursa of Fabricius
C. Bone Marrow
D. Blood
4. In light independent stage of photosynthesis, the CO2 combines with _______ to form an unstable 6-carbon intermediate.
A. Ribulose bisphosphate
B. Hexose sugar
C. Glycerate-3-phosphate
D. Ribulose bisphosphate
5.In light independent stage of photosynthesis, the CO2 combines with _______ to form an unstable 6-carbon intermediate.
A. Ribulose bisphosphate
B. Hexose sugar
C. Glycerate-3-phosphate
D. Ribulose bisphosphate
6.In the woody parts of trees, the %age of cellulose is:
A. 50%
B. 10%
C. 30%
D. 50%
7.In glycolysis, glycerate-1,3-bisphosphate is converted into glycerate-3-phosphate by losing _____________ phosphate molecules.
A. 3
B. 2
C. 1
D. 3
8.Malate is oxidized by _______ to oxaloacetate in Krebs’s Cycle.
A. ATP
B. NADP
C. NAD
D. ATP
9.In laboratory experiment an unknown compound was added in test tube containing iodine, the colour became intense blue. What could be the unknown compound?
A. Cellulose
B. Raffinose
C. Ribose
D. Cellulose
10.In electron transport chain, the electrons from NADH and FADH2 are passed to
A. Cytochrome a
B. Cytochrome a3
C. Co-enzyme c
D. Cytochrome a
11.Carriers of the respiratory chain are located on:
A. Matrix of mitochondria
B. Outer membrane of mitochondria
C. Inner membrane of mitochondria
D. Matrix of mitochondria
12.Ozone concentration is measured in:
A. Debye units
B. Dupont units
C. Debacle units
D. Debye units
13.The gas which is mainly produced in landfills from the waste is
A. CH4
B. CO2
C. SO2
D. CH4
14.The substance for the separation of isotopes is firstly converted into the:
A. Neutral state
B. Free state
C. Vapour state
D. Neutral state
15.The number of moles of CO2 which contain 8.00 gm of oxygen is:
A. 0.75
B. 1.50
C. 0.25
D. 0.75
16.London dispersion forces are the only forces present among the:
A. Molecules of H2O in liquid state
B. Molecules of HCl gas
C. Atoms of helium in gaseous state at high temperature
D. Molecules of H2O in liquid state
17.Electrical conductivity of graphite is greater in one direction that in other due to:
A. Isomorphism
B. Cleavage plane
C. Anisotropy
D. Isomorphism
18.Number of neutrons in 30 Zn 66 will be:
A. 30
B. 35
C. 38
D. 30
19.The maximum number of electrons in electronic configuration can be calculated by using formula:
A. 2l + 1
B. 2n2 + 2
C. 2n2
D. 2l + 1
20.Freezing point will also be defined as that temperature at which its solid and liquid phases have the same:
A. Concentration
B. Ratio between the particles
C. Vapour pressure
D. Concentration
21.What mass of NaOH is present in 0.5 mol of sodium hydroxide?
A. 40 gm
B. 2.5 gm
C. 15 gm
D. 40 gm
22.Human blood maintains its pH between:
A. 6.50 - 7.00
B. 7.20 - 7.25
C. 7.50 - 7.55
D. 6.50 - 7.00
23.Value of Ksp for PbSO4 system at 25 °C is equal to
A. 1.6 x 10-5 mol2dm-6
B. 1.6 x 10-6 mol2dm-6
C. 1.6 x 10-8 mol2 dm-6
D. 1.6 x 10-5 mol2dm-6
24.The rate constant ‘k’ is 0.693 min-1. The half-life for the 1st order reaction will be:
A. 1 min
B. 2 min
C. 0.693 min
D. 1 min
25.Melting points of group II-A elements are higher than those of group I-A because:
A. Atoms of II-A elements have smaller size
B. II-A elements are more reactive
C. Atoms of II-A elements provide two binding electrons
D. Atoms of II-A elements have smaller size
26.The ionic radius of fluoride ion is:
A. 72 pm
B. 95 pm
C. 136 pm
D. 72 pm
27.2NaOH(aq) + Cl2(g) NaCl + NaClO + H2O proceed at:
A. 500 °C
B. 200 °C
C. -10 °C
D. 500 °C
28.Which halogen molecule ‘X2’ has lowest dissociation energy?
A. Cl2
B. Br2
C. I2
D. Cl2
29.The anomalous electronic configuration shown by chromium and copper among 3-d series of elements is due to:
A. Colour of ions of these metals
B. Variable oxidation states of metals
C. Stability associated with this configuration
D. Colour of ions of these metals
30.Which element of 3d series of periodic table shows the electronic configuration of 3d6, 4s2?
A. Copper
B. Cobalt
C. Zinc
D. Copper
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