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Home » Medical Papers » UHS MDCAT » Aptitude Test - 36
1.Number of electrons in the outermost shell of chloride ion (Cl―) is:
A. 17
B. 3
C. 1
D. 17
2.If the detachable co-factor is an inorganic ion then it is designated as
A. Coenzyme
B. Prosthetic group
C. Holoenzyme
D. Coenzyme
3.According to valence shell electron pair repulsion theory, the repulsive forces between the electron pair of central atom of molecule are in the order:
A. Lone Pair - Lone-Pair > Lone Pair - Bond Pair > Bond Pair - Bond Pair
B. Lone Pair - Bond Pair > Lone Pair - Lone Pair > Bond Pair - Bond Pair
C. Bond Pair - Bond Pair > Lone Pair - Lone Pair > Lone Pair - Bond Pair
D. Lone Pair - Lone-Pair > Lone Pair - Bond Pair > Bond Pair - Bond Pair
4.In HIV viruses, reverse transcriptase converts single-stranded RNA into double stranded viral DNA. This process is called
A. Translation
B. Duplication
C. Replication
D. Translation
5.Mesosomes are infoldings of the cell membrane and are involved in
A. DNA replication
B. RNA synthesis
C. Protein synthesis
D. DNA replication
6. In crystal lattice of ice, each O-atom of water molecule is attached to:
A. Four H-atoms
B. Three H-atoms
C. One H-atom
D. Four H-atoms
7.Most widespread problem of the antibiotics misuse is the
A. Rapid cure
B. Increased resistance in pathogen
C. Disturbance of metabolism
D. Rapid cure
8.Which of the following component is found in the cell wall of fungi?
A. Cellulose
B. Chitin
C. Proteins
D. Cellulose
9.Heat of formation (∆Hf°) for CO2 is:
A. -394 kJ/mole
B. ) +394 kJ/mole
C. -294 kJ/mole
D. -394 kJ/mole
10.The male reproductive parts of the flower are called
A. Gynoecium
B. Calyx
C. Androecium
D. Gynoecium
11.Fasciola is the name given to
A. Tapeworm
B. Planaria
C. Liver fluke
D. Tapeworm
12.Reactants have high energy than products in:
A. Exothermic reactions
B. Endothermic reactions
C. Photochemical reactions
D. Exothermic reactions
13.Ascaris is
A. Diploblastic
B. Triploblastic
C. Haploid
D. Diploblastic
14.If 18.0 g of glucose is dissolved in 1 kg of water, boiling point of this solution should be:
A. 100.52 °C
B. 100.00 °C
C. 100.052 °C
D. 100.52 °C
15.During development, in an animal, mesoderm layer gives rise to
A. Nervous System
B. Alimentary canal lining
C. Muscular and skeletal system
D. Nervous System
16.Polymorphism is characteristic feature of
A. Porifera
B. Cnidaria
C. Annelida
D. Porifera
17.The muscles of the stomach walls thoroughly mix up the food with gastric juices and the resulting semi-solid / semi-liquid material is called
A. Bolus
B. Bolus or chime
C. Mucus
D. Bolus
18.Trypsinogen is converted into trypsin by the activity of
A. Goblet cells
B. Absorptive cells
C. Enterokinase
D. Goblet cells
19.Molal freezing point constant of water is:
A. 1.86
B. 2.86
C. 11.86
D. 1.86
20.In large intestines, vitamin K is formed by the activity of
A. Symbiotic bacteria
B. Obligate parasite
C. Parasitic bacteria
D. Symbiotic bacteria
21.Goblet cells secrete
A. HCl
B. Mucus
C. Enzymes
D. HCl
22.The chemical substance, when dissolved in water, gives “H+” is called:
A. Acid
B. Base
C. Amphoteric
D. Acid
23.Mature mammalian red blood cells do not have
A. Nucleus
B. Red color
C. Fluids
D. Nucleus
24.In a normal person plasma constitutes about ___________ by volume of blood
A. 50%
B. 60%
C. 45%
D. 50%
25.The 'pH' of our blood is:
A. 6.7 – 8
B. 7.9
C. 7.5
D. 6.7 – 8
26.Which vein has oxygenated blood?
A. Renal vein
B. Subclavian vein
C. Pulmonary vein
D. Renal vein
27.What is the residual volume of air which always remains inside the lungs of human?
A. 3.5 Liters
B. 0.5 Liters
C. .5.0 Liters
D. 3.5 Liters
28.In zero order reactions, the rate is independent of
A. Concentration of the product
B. Concentration of the reactant
C. Temperature of the reaction
D. Concentration of the product
29.In nephron, most of the reabsorption takes place in the
A. Distal tubule
B. Proximal tubule
C. Ascending limb
D. Distal tubule
30.What is the trend of melting and boiling point of the elements of short periods as we move from left to right in a periodic table?
A. Melting and boiling points first decrease then
B. Melting and boiling points increase gradually
C. Melting and boiling points first increase then
D. Melting and boiling points first decrease then
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