This Section Contains MDCAT Grand Test No 3
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1-Chiasmata formation takes place during the process which is known as
2-The covalent bond formed between two monosaccharides is called
3- In an amino acid in which the R-group is CH3, its name will be
4- Fatty acids are the organic compounds containing hydrogen, oxygen and one of the following are
5-The sex of individuals of next generation always depends on one of the parents who is
6- Which of the following will be hemophilic?
7-Which of the following is an example of X-linked recessive trait in humans?
8- Which trait in human in an example of multiple alleles?
9- Which of the following will be hemophilia Carrier ?
10- The combination of a pentose sugar with a base result in a compound is known as
11- An enzyme and substrate reacts through a special feature or site present in enzyme:
12- The non-protein part of enzyme which is covalently and permanently bonded is called
13- One of the pyrimidine bases is absent in DNA
14-Enzymes increase the rate of reaction by
15-In large intestine, vitamin k is formed by the activity of
16- During swallowing of food which structure close nasal opening?
17-The right atrium of the heart usually receives the
18-The largest lymph duct called thoracic lymph duct drains into
19-Which protein plays a major role in maintaining osmotic balance?
20-Discharge of ovum or secondary oocyte from ovary or from Grafian follicle is called
21-Second meiotic division in the secondary oocyte proceeds as far as
22-Which one of the following differentiates directly into mature sperm?
23-Uterus opens into the vagina through
24-Each muscle fiber is surrounded by membrane which is called
25-When calcium ions are released from the sarcoplasmic reticulum they bind with——
during muscle contraction
26-Human and mammalian skeleton can be divided into two parts, axial skeleton and
27- First 5 pelvic vertebrae in humans are fused to form a structure called
28- How many bones are involved in the formation of each half of pelvic girdle?
29-Ductless glands are known as
30-Gastrin is the hormone which is produced by the
31-β-cells of Pancreas secrete a hormone that is called
32-Antigen is a foreign protein or any other molecule which stimulates the formation of
33-Antibodies are produced by which of the following lymphocytes?
34-T-lymphocytes become mature and competent under the influence of
Â
35-Skin and mucous membranes are part of the body defense system and they form the
36-Snake bite is treated with which type of immunization?
37-The product(s) of cyclic photophosphorylation is / are:
38-Total NADH formed by one glucose molecule during Krebs’s Cycle are
39-The end product of glycolysis is
40- One molecule of FADH2 is produced in Krebs’s cycle during conversion of
41-The gene for ABO-blood group systems in humans is represented by symbol:
42- When a single gene affects two or more traits, the phenomenon is called
43-The comparative embryology of all vertebrates shows development of
44-In men, sex-determination depends upon the nature of
45- Plastids are only found in the
46-Plasma membrane is chemically composed of
47-Endoplasmic reticulum contains a system of flattened membrane-bounded sacs which are
named as
48-Lipids synthesis / metabolism takes place in which of the following organelle?
49-Ribosomes exist in two forms, either attached with RER or freely dispersed in the
50-Exchange of segments between homologous chromosomes is called
51-The ribosomal RNA is synthesized and stored in
52-Carbohydrates are organic molecules and contain three elements
53-Which one are intermediates in respiration and photosynthesis both?
54-Which of the following is an unsaturated fatty acid?
55-Which of the following combination of base pair is absent in DNA?
56-The type of inhibition in which inhibitor has no structural similarity to substrate and combines with enzyme at other than the active site is called
57-The inhibitors that bind tightly and permanently to enzymes and destroy their globular structure and catalytic activity are
58-Enzyme succinate dehydrogenase converts succinate into
59-In HIV viruses, reverse transcriptase converts single-stranded RNA into double stranded viral DNA. This process is called
60-Mesosomes are infoldings of the cell membrane and are involved in
61-Most widespread problem of the antibiotics misuse is the
62- During development, in an animal, mesoderm layer gives rise to
63-Polymorphism is characteristic feature of
64-Mature mammalian red blood cells do not have
65-Which vein has oxygenated blood?
66-Detection of change and signaling for effector’s response to the control system is a
67-What are three components of mechanism of homeostatic regulations?
68- Which of the following undergoes no change in its structure during muscle contraction is :
1-The volume of NH3 obtained by combination of 10cm3 of N2 and 30 cm3 of H2 is
2-The amount of water produced when 80 g each of H2 and O2 react with each other
3-Which statement is incorrect
4-If 56g of Fe and 24g O2 reacts completely to produce Fe2O3 ,which of them is limiting reagent
5-Which of the following statements about positive ions is incorrect
6-A limiting reactant is one which
7-Which molecule shows strongest hydrogen bonding
8-To cook the food at a high mountain is difficult as compared to sea level .The reason is that
9-The hardness of metal increases with increase in number of ___involved in metallic bonding
10-At constant volume for a fixed number of moles of gas , the pressure of gas increases with the rise in temperature due to
11-Equal volumes of all ideal gases under the same condition of temperature and pressure contains equal number of
12-Ionic solids are characterized by
13-The total number of electrons in S with l=1 are
14-Which of the following would have half set of p orbitals on loosing an electron
15-There is a big difference between third and fourth ionization energies of an element .The element could be
16-If electron has a spin quantum number of +1/2 and magnetic quantum number of +3 it can be present in
17-Which of the following ion contain unpaired electrons
18- Which of the following molecules is comparatively more volatile
19-Which of the following metals has low melting and boiling point
20-According to VSEPR theory , the electron pairs around central atom arrange themselves in such a way that there is
21-Octer rule is not followed in the formation of
22-Which of the following does not have linear geometry
23- The heat of formation of a compound is equal in magnitude to its
24-Consider the following structure CH2=C=C=CH2 number of sigma and pi bond in molecules is
25-The compound in which oxidation state of S is in fraction
26-The number of moles of NaOH present in 10dm3 of 1molar solution is
27-Which one is the function of salt bridge in galvanic cell
28-For the general reaction
aA +bB ⇌ cC + dD
if ratio of product to reactant is greater than Kc
then in which direction the reaction will move in order to attain the equilibrium
29-Which of the following reaction Kc has moles-2 dm+6 unit
30-Which is not correct about common ion effect
31-Which of the conditions increase the yield of NH3 in habers process
32-Which of the following are the applications of Ksp
33-In the reaction below
NH4NO3 → N2O +2H2O
What are the oxidation numbers of the two nitrogen atoms in NH4NO3
34-Arrange the following in the increasing order of non-metallic character Li,O,C,Be,F
35-sodium reacts with water more vigorously than Li due to the reason that it is
36-Which one of the following is strongest oxidizing agent
37-In which of the following pairs the radius of second atom is greater than that of the first atom
38- Which of the following is a diamagnetic ion
39-Two stable ions of the first transition series which have largest number of unpaired electrons and have highest magnetic moments
40-AgCl dissolves in solution of NH3 but not in water because
41- The extent of benzene to 1,3,5-hexatriene is estimated with the help of
42-Nitrobenzene may be prepared by reacting benzene with a mixture of conc H2SO4 and Conc HNO3
Which of the following best explains role of H2SO4
43-How many monochlorinated isomers can result by reaction of Cl2 with n-butane in presence of uv light
44-The C-C single bond in the compound is formed by overlapping of
45-An isomer of ethanol is
46-The resonance energy of naphthalene is 250.5KJ/mol and benzene is 150.5KJ/mol so
47-Which of the following chloro-compound is least easily hydrolysed by hydroxide ion to give the product
48-Which of the following reaction is given by all the aldehydes
49-Which of the following alcohol will give an alkene when treated with acid dichromate
50-All of the following give iodoform test except
51-Consider the following acids
i-CH3COOH
ii-Cl2CHCOOH
iii-ClCH2COOH
iv-Cl3CCOOH
the correct sequence of their acidities is
52-Which of the following will not give acetic acid on oxidation
53-Tollens test is another name for
54- Formalin is used as
55-Which of the following give a positive sodium nitroprusside test
56-Brick red precipitate is formed among the following test
2. The horizontal component of acceleration of projectile is
3. The value of ratio of displacement to a distance is:
4. The horizontal component of velocity of projectile moving with initial velocity of 500ms-1 at an angle of 60o with y-axis is
5. A body is projected with kinetic energy K at angle of 60o with the horizontal. Its kinetic energy at a highest point of its trajectory will be
6. Two bodies are thrown vertically upwards wit their initial speeds in the ratio 1:2 then ratio of maximum heights attained by them is:
7. Which of the following is a scaler quantity?
8. The work done against gravity in taking 10 kg mass at 1am height in 1 sec will be
9. Slope of work – time graph is
10. If K.E becomes fourth times of its initial by keeping the mass constant . what effect on momentum?
11. What is the K.E of 50 grams bullet moving at a speed pf 50 ms-1:
12. The work done in isochoric process is:
13. In an isothermal process the volume of an ideal gas is halved. One can say that:
14. The characteristics equation of gases PV=nRT holds good for
15. the charge capacitor stores 10 C at 40V. its stores energy in Joule will be
16. Which of the following is not the expression for electric P.E STORE IN CAPACITOR?
17. If a 10micro farad capacitor is to have an energy content of 1 J, it must be placed across a potential difference of
18. If a negatively charge capacitor is placed is brought near the disc of positively charge gold leaf electroscope, then the divergence of gold leaves will be
19. A charge Q is divided in to two parts q1 and q2 which are placed at certain fixed distance. the force of —-between these parts will be maximum when q1:q2 =————–
20. The force between the two charges 1m apart is 5N, if each charge is moved by 0.25m towards others. Then the force between them will become
21. In circuit, value of alternating current is measured by hot wire ammeter as 10 ampere. Its peak value will be
22. Which of following is correct
23. S.I unit of magnetic flux intensity is
24. A straight wire of length 0.20 m moves at steady speed of 3.0 ms-1 at right angles to magnetic field of flux density 0.10 T. emf induced across ends of wire is
25. A uniform magnetic is disturbed in space of circle of radius r. changing field induces an emf E in loop with radius r. whats is induced emf in loop with radius 2r.
26. Number of turns in a long solenoid is doubled, how does inductance of solenoid change
27. A diode characteristics curve is a plot between
28. a half wave e=rectifier is being used to rectify an alternating voltage of 50 Hz the no. of pulses of rectified current obtained in one second is
29. The momentum photon is
30. If h is plank,s constant, the momentum of a photon of wavelength 0.1 AÌŠ
31. Which of the following is the highest frequency of the series limit of balmer series of hydrogen atom in terms of redberg constant R and velocity of the light C
32. The Spectra series were identified in the spectrum of hydrogen by
33. A neutron decay within the nucleus producing
34. The analysing power when we compare alpha beta and gamma rays is
35. The half-life period of a radioactive nuclei is three hours. in nine hours its activity will be reduced by a factor of
36.A particle is moving in a circle of radius R with a constant speed v, if radius is doubled then its centripetal force to keep the same speed should be:
37. When a wheel, 1m in diameter makes 30 rev/ min. the linear speed of point on its rim in ms-1is :
38. 0.2 kg ball rotates at a constant speed of 3m/s on the end of 1.2m long string. The string describes a horizontal circle. What is the centripetal acceleration of the object?
39. What is the centripetal force exerted on the object in the above?
40. The angular velocity of a wheel increases from 100 rps to 300 rps in 10 sec. the number of revolutions made during that time is :
41. The Shaft of the motor is rotating at constant angular velocity of 3000 rpm. The angle turned per second is :
42. What should be the velocity of sound source moving towards a stationary observer so that apparent frequency is double the actual frequency
43. A source emits a sound of frequency of 400Hz but the listener hears it to be 390 Hz , Then
44. If a stretched string is 4m & it has 4 loops of stationary waves then wavelength is
45. Energy is not carried by
46. Electric potential of earth is taken to be zero because earth is a good
47: An electric bulb rated for 500 W at 100V is use in a circuit having a 200 V supply. The resistance R in ohm that must be put in series withbulb so that bulb draws 500 Wis
48: If a 40 watt is on 2 hours, how much heat is generated?
49: Terminal potential difference is greater than emf of the cell when
50: The amount of heat energy dissipated in a resistance is directly proportional to :
51: Internal resistance & emf of a cell can be determined by an instrument
52. a charge in uniform motion produce
53. Long straight wire kept horizontally carries current from south to north, the magnetic field at a point lying to east of the wire will point
54. Magnetic field lines inside a bar magnet run in a direction
55. In alternating current indicator behave like
56. Magnetic field due to long straight wire carrying current I is proportional to
57. Two parallel straight conductors in which current is flowing in the same direction, attract each other due to
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