This Section Contains MDCAT Grand Test No 7
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1- Which one is/are the characteristic of living organisms?
2- Which one of the following always contains unsaturated fatty acids?
3-Peptide bond is formed by two groups which are:
4-It is the most abundant element in human body:
5-Who carried out x-ray diffraction of DNA?
6-In ATP the pentose sugar is:
7-Which one is not a carbohydrate?
8-Lock & key model regarding the substrate and enzyme interaction was proposed in 1890 by:
9-The basic units of enzymes are:
10-The catalytic activity of enzymes are restricted to its:
11-Cell wall is secreted by which one of the following
12-Which types of ions are necessary for combination of ribosomal subunits?
13-Ribosome subunits 60S and 40S combine to form:
14-Lysosomes are originated from:
15-Which one of the following structure and function is mismatched?
16-Which cell provides best opportunity to study lysosomes?
17-Which component is present in prokaryotic cell?
18-Which one is the size of Ribosomes in prokaryotic cell?
19-Sometimes viral DNA gets detached from the bacterial chromosome and lytic cycle starts, the process is named as:
20-Hyphomicrobium is an example of:
21-If single flagellum is present at one pole then bacterium is:
22-Nervous system was first originated in:
23-Tapeworm has no digestive system because:
24- During photosynthesis the oxygen in glucose comes from:
25-Where does the energy-capturing reactions of photosynthesis occur?
26-Chlorophyll is present:
27-Calvin cycle is:
28-Blood group B phenotype contains anti-A antibodies in the serum and agglutinate any RBC with antigen:
29-Chances for a son or daughter in human birth are:
30-The relationship between alleles of the same gene occupying the same locus is:
31-Gene pool consist of all alleles at all gene loci in all individuals of:
32-Lungs of man is surrounded by themembrane called:
33-Outlet valves of heart are called:
34-Myoglobin consists of how manypolypeptide chains:
35-The process of respiration takes place at tissue level is called:
36-Pus contains dead:
37-It can be the organ of thermoregulation in humans:
38-Nitrogenous wastes are produced from breakdown of:
39-The chief morphological and physiological unit of the nervous system is:
40-The group of ribosomes present in the cell body of the neuron, which are associated with rough endoplasmic reticulum are called:
41-Nerve impulse involves movement of ions across:
42-The mammalian forebrain is differentiated into the thalamus, limbic system and:
43-Dwarfism in human beings is caused due to under-secretion of:
44-Corpus luteum secretes the hormone ——— & ——- in nature.
45-Placenta is established between fetal tissue and:
46- ———– the seminiferous tubules are interstitial cells, which secrete Testosterone.
47-In seminiferous tubules repeated division of the cells of the germinal epithelium produces:
48-At the distal end, femur forms knee joint with the proximal end of two parallel bones called:
49-Palatine is the bone of:
50-The fusion of four posterior vertebrae present in the pelvic region form:
51-The first two cervical vertebrae are:
52-The cell-mediated response involves:
53-The antibodies are synthesized in the——- type of immunity:
54-The biochemical composition of the heavy chains of the antibodies are:
55-CD-4 receptor site is present on:
56-One, which may or may not be a protein molecule:
57-Which one of the following does not produce any enzyme?
58-Which one is the correct sequence of enzyme, substrate and end product?
59-Mucus is made up of:
60-If we chew a piece of bread for a long time, it becomes sweet due to production of:
61-Which one is true matching pair?
62-Gastrin helps in:
63-Bacteria that get their food from humans are:
64-In which stage of Aerobic respiration, 2 carbon molecule is completely oxidized to CO2?
65-In respiratory chain, ½ O2 is reduced by:
66-Which of the following is not involved in mechanical digestion?
67-Sensory neurons connect:
68-Regarding skeletal muscle structure, the area which contains only thick filaments:
1-A gases can adopt the shape of the container so they have
2-The number of molecules in 0.012 m3 of methane at 25 C and pressure 760mmHg is
3-The system in which all the three axis are unequal length and at right angle to each other is called
4-Diamond and graphite are
5-Which of these are isomorphous to each other
NaCl, NH4Br, K2CrO4, K2SO4
6-According to Hess’s law , the enthalpy change for a reaction
7-If an endothermic reaction is allowed to take place rapidly in air the temperature of surrounding air
8-The environment in which a system is studied is
9-A standard Hydrogen electrode (S.H.E) dipped in 1 molar solution of H+ ions and hydrogen gas is passed at a pressure of
10-Ethylene molecule is
11-A white solid forms when BF3 reacts with gaseous ammonia. What type of bonding is responsible for formation of white solid .
12- a triatomic linear molecule has dipole moment is
13-Mixing of s and p orbital to form sp3 hybrid orbital is in the ratio of
14-Coordinate covalent bond is present in the molecule
15-Densities, melting point and boiling point of alkaline earth metal are higher than alkali metals due to
16-Which of the following element has more ionization energy than sodium
17-With increase in atomic number the basic character of s block elements
18-Nitrogen in NH3 is sp3 hybridized but has angle of 107 but not 109.5 , the reason is
19-According to electronic configuration of Boron it can be seen that it has one electron in its valence shell, which suggests that it should be monovalent but it is trivalent due to
20-Which one is incorrect about Boron ?
21-Fe+3 and Mn+2 are strong paramagnetic because the number of unpaired electrons in each
is
22-Which of the following is non typical transition element
23-Which of the following is the form of general gas equation
24-If absolute temperature of gas is doubled and the pressure is reduced to one half, the volume of the gas will
25-Absolute zero ,lowest temperature on Kelvin scale lies at
26-Following compound is named as
CH3-C(CH3)2-CH2-CH2-CH3
27-The name of the following compound is
28-The structures of compounds are shown
i-CH3CH2-O-CH3
ii-CH3CH2CH2-OH
iii-CH3CH(OH)CH3
29-Which one is the property of organic compound
30-Which of the following statement is incorrect about Hydroxylation of hydrocarbon
31-The ease of Dehydration of Alcohols is in the order
32-During the halogenation of Alkene the electrophile is
33- A reaction sequence is shown below
CH3CH2Cl +KCN → A
A + H3O → B
The product formed at letter B Is
34- Hydrohalogenation of propene yields
35-Which of the following is a Sabatier-Sendern’s reaction
36-In a free radical reaction termination is the reaction step that yields
37-The double bond is unstable as compare to single bond . The stability order of alkene is
38-For the preparation of alkyne Dehalogenation of alkyl halides takes place in the presence
39-A reaction which is shown by phenol but not alcohol
40-A specie which is reduced in tollens test
41-The strength of carbon halogen bond is in order
42-Elimination bimolecular involves
43-Which of the following is correct about SN2 reactions
44-Primary alkyl halides give
45-Most stable carbonium ion is
46-A compound formed as a result of fermentation of molasses is C2H5OH.The compound is
47-In β-elimination the resulting product is
48-Which of the following intermediate forms when nucleophile attacks on alcohol
49-An organic compound X is prepared by the oxidation of ethanol .This X reacts with ethanol to produce an ester , what is X likely to be .
50-Neo pentyl alcohol is a type of alcohol
51-Ethylene is oxidized to acetaldehyde on the commercial scale by the use of catalyst which is
52-acetaldehyde is prepared from calcium salts of acetic acid and formic acid by
53-The formula of cyanohydrin is
54-Proteins on hydrolysis yield
55-Proteins dissolve in
56-Simple proteins form
2. We all know that Cp˃ Cv. What is also true for these molar specific heats (Cp,Cv)?
3.The slope of isothermal and adiabatic curves are related as
4. At constant temperature, if the volume of given mass of gas is double, then the density of the gas becomes:
5. In which case is the junction diode forward biased
6. The frequency of a photon of energy 4 eV is the order of
7. The maximum speed of photoelectrons depends on
8. The energy of an electron
9. It is known that ionization potential of hydrogen is 13.6 EV when electron jumps from the first excited state to ground state the emitted photon will have energy of
10. When the mass of sample of a radioactive substance decreases, half-life of sample
11. What is the charge on alpha particles emitted during the phenomena of radioactivity?
12. In majority of radioactive elements, the ratio of number of neutrons to that of proton
13. A wheel rotates with constant angular velocity of 600 rpm. What is the angle through which wheel rotates in one second?
14. If a body of mass m is rotating in a circle of radius r with frequency of rotation ‘f’ then centripetal force acting on it is
15. Which of the following statement is true for speed v & acceleration a of a particle execute SHM.
16. which of the following equation does not represent a simple hormonic motion?
17. an observer while moving on scooter hears a sounds of two siren of same frequencies from two opposite direction. If he travels along the direction of one of the siren then he
18. A certain piece of silver of given mass is to be made like a wire. which of the following combination of length (L) & the area of cross- section will lead to the smallest resistance?
19. A 50 V battery is connected across 10-ohmresistor. The current is 4.5 amperes the internal resistance of the battery is
20. A wire has a resistance of 10 it isstretched suchthatitslengthbecomesthreetimesnowits resistance in ohm willbe
21. When current flows through a direction out of the plane of paper the magnetic field has direction
22. Current carrying power line carries current from west to east . what will be the direction of magnetic field at a point above the wire
23. Current carrying straight wire is kept along the axis of solenoid carrying a current . the straight wire
24. protons are shot perpendicular to a magnetic field
25. An electron moves in a circular arc of radius 10m at a constant speed of 2*107 m/s with its plane of motion normal to the magnetic flux density of 10-5 T. the specific charge of electron is
26. A charge of 1 C is moving parallel to magnetic field of strength 0.5 T with velocity of 10m/s . force experienced is
27.If we doubled all the parameters of the force acting on current carrying conductor and θ=90° then magnetic force becomes:
28. The force acting on current carrying conductor will be maximum if the angle between magnetic field and conductoris:
29. If the length, width and separation between the plates of a parallel plate capacitor is doubled then its capacitance becomes:
30. The rapid escape of air from a burst tyre is an exampleof:
31. Which relation exactly described the isothermal process?
32. Tuning a radio is a best exampleof:
34. The unit for electric charge is Coulomb and one Coulomb in terms of base unit is equivalentto:
35. Wavelength of γ-rays is:
36. The relation ‘PV = nRT’ shows which law ofphysics:
37. The quantity of uranium is 400g,the amount of uranium left after 3 half lives is:
38. ionization energy of hydrogen atom is:
39. The frequency of photon having momentum 4.42×10–26Nsis:
40. Achargeprojectedwithvelocityof10m/sinamagneticfielsof10Tatanangleof60°,if forceexertedonchargeis2.78×10–17N,thenvalueofchargeis:
41. Thevalueofmagneticfluxis10Wb,whenmagneticlinesofforcecontainingmagneticfield strengthof1Tpassingthroughunitareaof10m²,thenanglebetweenmagneticfieldandunit areais:
42. Electricfieldstrengthatpositionvectorr=(4i+3j)mcausedbypointchargeq=5uCplaced at originis:
43. 2.00x106e passing through a conductor in 1 milli second .Electric current through conductor is:
44. The Coulumbs force between two point charges q1=1C and force is 2N.Where distance between them is 3m,The charge q2 is:
45. Thorium is transformed after the transmission of β-particleinto:
46. Emission of γ-rays from radioactive element results into:
47. Radioisotope which is used to combat cancer of thyroid glandis:
48. Sodium-24 is usedfor:
49. Energy radiation absorbed at the rate of one joule per kilogram iscalled:
50. Magnetic field strength is measurein:
51. Force on current carrying conductor per unit length is givenby:
52. Which combinations of seven identical resistors each of 2 Ω gives rise to the resultant of10/11Ω?
53. What is the 273 k on the Celsius scale oftemperature?
54. Cobalt 60 is used in medicine and is an intense sourceof:
55. According to the equation AX → Y + 3α particles, what are the atomic and massnumbersof ‘Y’?
56. A certain radioactive nuclide of mass number ‘x’ decays by β-emission and α-emission toasecond nuclide of mass number ‘t’. Which of following correctly relates ‘x’ and ‘t’?
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