Solved papers for DUMET Medical DUMET Medical Solved Paper-2001

DUMET Medical Solved Paper-2001 Total Questions - 200

1) Which of the following pairs does not have identical dimensions?

A)

Moment of inertia and moment of force

B)

Impulse and momentum

C)

Work and torque

D)

Angular momentum and Plancks constant

View Answer
2) If a body falling from rest described distance\[{{s}_{1,}}\]\[{{s}_{2,}}\]and.\[{{s}_{3,}}\] in the first, second and third seconds of its fall, then the ratio \[{{s}_{1,}}:\,{{s}_{2,}}:\,{{s}_{3,}}\]will be :

A)

1 : 4 : 9

B)

1 : 3 : 5

C)

1 : 2 : 3

D)

1 : 1 : 1

View Answer
3) A block of mass mi rests on a horizontal table. A string tied to this block is passed over a friction less pulley fixed at one end of the table and another block of mass \[{{m}_{2}}\] is hung to the other end of the string, the acceleration a of the system will be :

A)

\[\frac{{{m}_{1}}{{m}_{2}}g}{{{m}_{1}}-{{m}_{2}}}\]

B)

\[\frac{{{m}_{2}}g}{{{m}_{1}}+{{m}_{2}}}\]

C)

\[\frac{{{m}_{1}}g}{{{m}_{1}}+{{m}_{2}}}\]

D)

\[{{m}_{1}}{{m}_{2}}g\]

View Answer
4) The escape velocity of sphere of mass m from earths surface will be: (G = universal gravitational constant, \[{{M}_{e}}\]= mass of the earth, \[{{R}_{e}}\] = radius of the earth)

A)

\[\sqrt{\frac{2G{{M}_{e}}+{{R}_{e}}}{{{R}_{e}}}}\]

B)

\[\sqrt{\frac{2G{{M}_{e}}m}{{{R}_{e}}}}\]

C)

\[\sqrt{\frac{2G{{M}_{e}}}{{{R}_{e}}}}\]

D)

\[\frac{G{{M}_{e}}}{{{R}_{e}}}\]

View Answer
5) A force of 1000 N is applied on a body of mass 100 kg moving with the velocity of 5 m/s. How much time does it require to attain a velocity of 25 m/s?

A)

8 s

B)

6 s

C)

4 s

D)

2 s

View Answer
6) A cylinder of mass 10 kg is rolling on a plane with an initial velocity of 10 m/s. If the coefficient of friction between the surface and the cylinder is 0.5, then before stopping it will cover a distance of; \[(g=10\,m/{{s}^{2}})\]

A)

2.5m

B)

0.5m

C)

7.5m

D)

10m

View Answer
7) Two springs of spring constants 1000 N/m and 4000 N/m respectively are stretched with the same force, their potential energies will be in ratio:

A)

1 : 2

B)

4 : 1

C)

1 : 4

D)

16 : 1

View Answer
8) The readings of a constant-volume gas thermometer at \[{{0}^{o}}C\] and \[{{100}^{o}}C\] are 40 cm of mercury column and 60 cm of mercury column respectively. If its reading at an unknown temperature is 100 cm of mercury column, then find that temperature.

A)

\[{{200}^{o}}C\]

B)

\[{{300}^{o}}C\]

C)

\[{{500}^{o}}C\]

D)

\[{{150}^{o}}C\]

View Answer
9) The disc of a siren has n holes and the frequency of its rotation is 300 rpm. It produces a note of wavelength 2.4 m. If the velocity of sound in air is 360 m/s, then the value of n will be:

A)

30

B)

34

C)

12

D)

15

View Answer
10) At which temperature, the velocity of sound will be four times of its velocity at \[{{0}^{o}}C\]?

A)

\[{{8322}^{o}}C\]

B)

\[{{3822}^{o}}C\]

C)

\[{{1911}^{o}}C\]

D)

\[{{4095}^{o}}C\]

View Answer
11) A particle of mass m moving with the velocity\[v\] collides with a stationary particle of mass 2m and sticks to it. The speed of the system after collision is :

A)

\[3v\]

B)

\[\frac{1}{3}v\]

C)

\[2v\]

D)

\[\frac{1}{2}v\]

View Answer
12) Resolve a weight of 10 N in two directions which are parallel and perpendicular to a slope inclined at \[{{30}^{o}}\] to the horizontal.

A)

\[{{w}_{\bot }}=5\sqrt{3}N,\,{{w}_{||}}=5N\]

B)

\[{{w}_{\bot }}=5N,\,{{w}_{||}}=5\sqrt{3}N\]

C)

\[{{w}_{\bot }}=5\sqrt{3},\,{{w}_{||}}=0N\]

D)

\[{{w}_{\bot }}=0N,\,{{w}_{||}}=5N\]

View Answer
13) A car accelerates from rest at a constant rate \[\alpha \] for some time, after which it decelerates at a constant rate \[\beta \] and comes to rest. When total elapsed time is t, then the maximum velocity acquired by the car is :

A)

\[\frac{({{\alpha }^{2}}+{{\beta }^{2}})t}{\alpha \,\beta }\]

B)

\[\frac{({{\alpha }^{2}}-{{\beta }^{2}})t}{\alpha \,\beta }\]

C)

\[\frac{(\alpha +\beta )t}{\alpha \,\beta }\]

D)

\[\frac{\alpha \beta t}{\alpha \,+\beta }\]

View Answer
14) A body freely falling from the rest has a velocity v after it falls through a height h. The distance, covered by body when it falls down with double of velocity, is :

A)

\[12\,h\]

B)

\[8\,h\]

C)

\[9\,h\]

D)

\[4\,h\]

View Answer
15) A train weighing \[{{10}^{7}}N\] is running on a level track with uniform velocity of 36 km/h. The frictional force is \[0.5\times {{10}^{3}}N\]. What is the power of the engine? \[(g=10\,m/{{s}^{2}})\]

A)

50 kW

B)

500 kW

C)

0.5 kW

D)

5kW

View Answer
16) Which one of the following graphs shows uniformly accelerated motion?

A)

B)

C)

D)

View Answer
17) The door of a domestic refrigerator is left open while the switch is on. Then the room will:

A)

remain at same temperature

B)

get heated

C)

get cooled

D)

first [b] and then [c]

View Answer
18) If kinetic energy of a body becomes four times, then its new momentum will:

A)

become four times its initial value

B)

become two times its initial value

C)

become half of its initial value

D)

remain constant

View Answer
19) Two simple pendulums A and B of time periods 2 s and 2.1s are made to vibrate simultaneously. They are initially in phase. After how many vibrations, they will be in the same phase?

A)

35

B)

30

C)

25

D)

21

View Answer
20) A mass m attached to a spring oscillates with time period 2 s. If the mass is increased by 2 kg, then time period increases by 1 s. Then the initial mass of the body will be :

A)

12.8kg

B)

8.6kg

C)

1.6kg

D)

3.2kg

View Answer
21) Two identical balls A and B collide head on elastically. If velocities of A and B before the collision are + 0.5 m/s and - 0.3 m/s respectively, then their velocities after the collision will be :

A)

+ 0.5nysand+ 0.3 m/s

B)

- 0.5 m/s and + 0.3 m/s

C)

+ 0.3 m/s and - 0.5 m/s

D)

- 0.3 m/s and + 0.5 m/s

View Answer
22) The electric intensity due to a dipole of length 10 cm and having a charge of \[500\,\mu C\] at a point on the axis at a distance 20 cm from one of the charges in air is :

A)

\[20.5\times {{10}^{7}}N/C\]

B)

\[18.28\,\,N/C\]

C)

\[6.25\times {{10}^{7}}N/C\]

D)

none of these

View Answer
23) If the potential of a capacitor having capacity \[8\,\mu F\] is increased from 15V to 25 V, then increase in its energy is :

A)

\[12\times {{10}^{-6}}J\]

B)

\[16\times {{10}^{-4}}J\]

C)

\[8\times {{10}^{-6}}J\]

D)

\[4\times {{10}^{-4}}J\]

View Answer
24) In a transformer, number of turns of primary coil and secondary coil are 5 and 4, respectively. If 220 V is applied in primary coil, then the ratio of the current in primary and secondary coils will be :

A)

5 : 8

B)

8 : 5

C)

4 : 5

D)

5 : 4

View Answer
25) A particle having charge 100 times that of an electron is revolving in a circular path of radius. 0.8 m with 1 rot/s. The magnetic field produced at the center will be :

A)

\[{{10}^{-17}}\,{{\mu }_{0}}\]

B)

\[{{10}^{-14}}\,{{\mu }_{0}}\]

C)

\[{{10}^{-7}}\,{{\mu }_{0}}\]

D)

\[{{10}^{-5}}\,{{\mu }_{0}}\]

View Answer
26) Electron beam is allowed to pass normally through mutually perpendicular electric field and magnetic field. If magnetic field induction and electric field strength are 0.0005 \[Wb/{{m}^{2}}\]and 4000 V/m respectively, then the beam suffers no deflection. The velocity of electron will be :

A)

\[16\times {{10}^{8}}m/s\]

B)

\[8.0\times {{10}^{6}}m/s\]

C)

\[4.0\times {{10}^{6}}m/s\]

D)

none of these

View Answer
27) When a metal with work function 0.8eV is illuminated with light of 3eV, then the stopping potential will be:

A)

3.3eV

B)

1.1eV

C)

2.2eV

D)

none of there

View Answer
28) The work function of a photo metal is 6.626 eV. Its threshold wavelength will be :

A)

\[1873\,\overset{o}{\mathop{A}}\,\]

B)

\[1675\,\overset{o}{\mathop{A}}\,\]

C)

\[2875\,\overset{o}{\mathop{A}}\,\]

D)

none of these

View Answer
29) A prism of refracting angle \[{{60}^{o}}\] is made with a material of refractive index\[\,\mu \]. For a certain wavelength of light, the angle of minimum deviation is \[{{30}^{o}}\]. For this wavelength the value of \[\,\mu ,\] the material will be :

A)

1.531

B)

1.414

C)

1.593

D)

1.825

View Answer
30) A source of light is placed at 10 cm from a convex mirror and is then moved upon a distance of 2 cm from the mirror. How much does the image move, if the radius of curvature of the mirror is 4.8 cm?

A)

0.95cm

B)

0.85cm

C)

0.75cm

D)

None of these

View Answer
31) A glass prism of refractive index 1.5 is A immersed in water of refractive index \[\frac{4}{3.}\]A light incident normally on the face AB is totally reflected to reach the face AC, if :

A)

\[\sin \,\theta \,>\frac{3}{2}\]

B)

\[\sin \,\theta \,>\frac{2}{3}\]

C)

\[\sin \,\theta \,>\frac{8}{9}\]

D)

\[\frac{2}{3}\sin \,\theta \,>\frac{8}{9}\]

View Answer
32) When a current of 0.2 A is drawn from a battery, then potential difference between its terminals is 20 V and when a current of 2 A is drawn, then the potential difference drops to 16 V. The emf of battery will be :

A)

20.4eV

B)

24.4eV

C)

19.8eV

D)

16.1eV

View Answer
33) A black body at a high temperature T Kelvin radiates energy at the rate of E\[watt/{{m}^{2}}\]. When T the temperature falls to \[\frac{T}{2}\] kelvin, then the radiated energy is :

A)

\[\frac{E}{16}\]

B)

\[2E\]

C)

\[\frac{E}{4}\]

D)

\[\frac{E}{8}\]

View Answer
34) Consider a hypothetical annihilation of a stationary electron with a stationary position. What is the wavelength of resulting radiation?

A)

\[\frac{hc}{{{m}_{0}}}\]

B)

\[\frac{h}{{{m}_{0}}c}\]

C)

\[\frac{h}{{{m}_{0}}{{c}^{2}}}\]

D)

\[\frac{{{m}_{0}}c}{h}\]

View Answer
35) Minimum excitation potential of Bohrs first orbit in hydrogen atom is :

A)

3.4eV

B)

3.6eV

C)

10.2eV

D)

13.6eV

View Answer
36) The \[6563\,\overset{o}{\mathop{A}}\,\] line emitted by hydrogen atom in a star is found to be red shifted by 15 A. The speed with which the star is receding from the earth is :

A)

\[9.66\times {{10}^{9}}m/s\]

B)

\[6.86\times {{10}^{5}}m/s\]

C)

\[7.78\times {{10}^{5}}m/s\]

D)

none of these

View Answer
37) What is the voltage gain in a common-emitter amplifier where input resistance is 3 0 and load resistance is \[24\,\Omega \]? \[(\beta =0.6)\]

A)

2.2

B)

1.2

C)

4.8

D)

8.16

View Answer
38) The wavelength of \[{{k}_{\alpha }}\] X-rays produced by a X ray tube is \[0.76\,\overset{o}{\mathop{A}}\,\]. What is the atomic number of the anode material of the tube?

A)

20

B)

29

C)

40

D)

59

View Answer
39) If red light and violet light have the focal lengths \[{{f}_{r}}\] and\[{{f}_{v}}\]respectively, then which one of the following is correct?

A)

\[{{\lambda }_{r}}\le {{\lambda }_{v}}\]

B)

\[{{\mu }_{r}}>{{\mu }_{v}}\]

C)

\[{{\mu }_{r}}<{{\mu }_{v}}\]

D)

\[{{\lambda }_{r}}>{{\lambda }_{v}}\]

View Answer
40) The figure shows an n-p-n transistor in common-emitter configuration. If\[{{I}_{C}}=1.5\,mA,\,\,\beta =100\], then value of \[{{V}_{BC}}\] is:

A)

-5.25V

B)

-0.75V

C)

6V

D)

zero

View Answer
41) In a capacitor or capacitance \[20\,\mu F,\] the distance between the plates is 2 mm. If a dielectric of width 1 mm and dielectric constant 2 is inserted between the plates, then new capacitance will be :

A)

\[32\,\mu F\]

B)

\[26.7\,\mu F\]

C)

\[13.3\,\mu F\]

D)

\[3\,\mu F\]

View Answer
42) The time taken by the light to cross a glass of thickness 4 mm and refractive index \[(\mu =3)\] is:

A)

\[8\times {{10}^{-10}}s\]

B)

\[16\times {{10}^{-11}}s\]

C)

\[2\times {{10}^{-11}}s\]

D)

\[4\times {{10}^{-11}}s\]

View Answer
43) In the given figure the equivalent resistance between P and Q is :

A)

\[\frac{14}{9}\Omega \]

B)

\[\frac{9}{14}\Omega \]

C)

\[\frac{3}{14}\Omega \]

D)

\[\frac{14}{3}\Omega \]

View Answer
44) If the mass of the earth is 80 times that of moon and its radius is two times that of the moon, and g on the earth is \[9.8\,m/{{s}^{2}}\], then value of g on the moon will be :

A)

\[4.9\,m/{{s}^{2}}\]

B)

\[0.49\,m/{{s}^{2}}\]

C)

\[0.98\,m/{{s}^{2}}\]

D)

\[9.8\,m/{{s}^{2}}\]

View Answer
45) A volume of a gas at \[{{20}^{o}}C\] is \[100\,c{{m}^{3}}\]at normal pressure. If it is heated to \[{{100}^{o}}C\] its volume becomes 125 cm at the same pressure the volume coefficient of the gas will be normal pressure) :

A)

\[0.0021{{/}^{o}}C\]

B)

\[0.0025{{/}^{o}}C\]

C)

\[0.0030{{/}^{o}}C\]

D)

\[0.0033{{/}^{o}}C\]

View Answer
46) Two waves of length 50 cm and 51 cm produce 12 beats/s, the velocity of sound will be :

A)

360 m/s

B)

340 m/s

C)

331 m/s

D)

306 m/s

View Answer
47) Two closed organ pipes when sounded simultaneously give 4 beats/s. If longer tube has a length of 1 m, then length of shorter pipe will be (v = 330 m/s ):

A)

104.8cm

B)

95.4cm

C)

104cm

D)

96cm

View Answer
48) Four capacitors are connected as shown. Each capacitor is of \[5\,\mu F\]. The equivalent capacitance between A and B is:

A)

\[30.6\mu F\]

B)

\[20.33\mu F\]

C)

\[6.67\mu F\]

D)

\[3.33\mu F\]

View Answer
49) The ratio of Rydbergs constant for helium to the Rydbergs constant for hydrogen is :

A)

1 : 2

B)

1 : 4

C)

4 : 1

D)

1 : 1

View Answer
50) If the distance between the two charged particles are doubled, then the force will :

A)

remain same

B)

be one-fourth

C)

be halved

D)

be doubled

View Answer
51) Producer gas is a mixture of:

A)

\[CO+{{N}_{2}}\]

B)

\[CO+{{H}_{2}}\]

C)

\[Ca+Fe\]

D)

\[CO+S\]

View Answer
52) Which one of the following metal is obtained by electrolytic reduction?

A)

Fe

B)

Cu

C)

Ag

D)

Al

View Answer
53) The molecule which has pyramidal shape is :

A)

\[PC{{l}_{3}}\]

B)

\[S{{O}_{3}}\]

C)

\[CO_{3}^{2-}\]

D)

\[NO_{3}^{-}\]

View Answer
54) The bond dissociation energies of \[{{H}_{2}},C{{l}_{2}}\] and \[HCl\] are 104, 58 and 103 kcal respectively. The enthalpy of formation of \[HCl\] gas will be:

A)

-44 kcal

B)

-88 kcal

C)

-22kcal

D)

-11 kcal

View Answer
55) The IUPAC name of \[C{{H}_{3}}-\overset{\begin{smallmatrix} OH \\ | \end{smallmatrix}}{\mathop{\underset{\begin{smallmatrix} | \\ C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,}}\,-C{{H}_{2}}-\overset{\begin{smallmatrix} OH \\ | \end{smallmatrix}}{\mathop{C}}\,H-C{{H}_{3}}\] is:

A)

4- methyl-2, 4-pentanediol

B)

2-methyl-2, 4-pentanediol

C)

1, 1-dimethyl 1, 3-butanediol

D)

1, 2 3- trimethyl-1, 3-propanediol

View Answer
56) Entropy of vaporisation of water at \[{{100}^{o}}C\], if molar heat of vaporisation is 9710 cal \[mo{{l}^{-1}}\], will be:

A)

20 cal \[mo{{l}^{-1}}{{K}^{-1}}\]

B)

26 cal \[mo{{l}^{-1}}{{K}^{-1}}\]

C)

24 cal \[mo{{l}^{-1}}{{K}^{-1}}\]

D)

28 cal \[mo{{l}^{-1}}{{K}^{-1}}\]

View Answer
57) An electron having highest energy in the set:

A)

3, 2, 1, \[\frac{1}{2}\]

B)

4, 2, - 1, \[\frac{1}{2}\]

C)

4, 1, 0, \[-\frac{1}{2}\]

D)

5, 0, 0, \[\frac{1}{2}\]

View Answer
58) \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}+CHC{{l}_{3}}+KOH\xrightarrow{{}}?\]

A)

phenyl isocyanide

B)

benzyl amine

C)

benzyl chloride

D)

ethyl iso-cyanide

View Answer
59) The nitrogen atoms has 7 electrons, the nitride ion \[({{N}^{3-}})\] will have:

A)

4 protons and 7 electrons

B)

7 protons and 10 electrons

C)

4 protons and 10 electrons

D)

10 protons and 7 electrons

View Answer
60) The momentum of a particle with de-Broglies wavelength of 6A is :

A)

\[1.1\times {{10}^{-24}}kg\,m{{s}^{-1}}\]

B)

\[1.1\times {{10}^{-34}}kg\,m{{s}^{-1}}\]

C)

\[39.6\times {{10}^{-34}}kg\,m{{s}^{-1}}\]

D)

\[39.6\times {{10}^{-24}}kg\,m{{s}^{-1}}\]

View Answer
61) The volume of 2.8 g of CO at \[{{27}^{o}}C\] and 0.821 atm pressure is: (R = 0.0821 L atm \[mol\,{{s}^{-1}}{{K}^{-1}}\])

A)

30 mL

B)

3L

C)

0.3 L

D)

1.5 L

View Answer
62) When primary alcohol is oxidized with chlorine, it gives:

A)

\[C{{l}_{3}}HO\]

B)

\[C{{H}_{3}}CHO\]

C)

\[CC{{l}_{3}}CHO\]

D)

\[C{{H}_{3}}COC{{H}_{3}}\]

View Answer
63) The size of ionic species is correctly given in order:

A)

\[C{{l}^{7+}}>S{{i}^{4+}}>M{{g}^{2+}}>N{{a}^{+}}\]

B)

\[N{{a}^{+}}>M{{g}^{2+}}>S{{i}^{4+}}>C{{l}^{7+}}\]

C)

\[N{{a}^{+}}>M{{g}^{2+}}>C{{l}^{7+}}>S{{i}^{4+}}\]

D)

\[C{{l}^{7+}}>N{{a}^{+}}>M{{g}^{2+}}>S{{i}^{4+}}\]

View Answer
64) Oxidation number of Ni in \[Ni{{(CO)}_{4}}\] is:

A)

2

B)

3

C)

1

D)

0

View Answer
65) If the volume of 2 moles of an ideal gas at 540 K is 44.8 L. Then its pressure will be:

A)

1 atm

B)

2 atm

C)

3 atm

D)

4 atm

View Answer
66) One mole of \[C{{O}_{2}}\] contain:

A)

\[6.02\times {{10}^{23}}\] atoms of C

B)

\[6.02\times {{10}^{23}}\] atoms of O

C)

\[18.1\times {{10}^{23}}\] atoms of \[C{{O}_{2}}\]

D)

3 g-atoms of \[C{{O}_{2}}\]

View Answer
67) A compound with empirical formula \[C{{H}_{2}}O\]has a vapour density of 30. Its molecular formula is:

A)

\[C{{H}_{2}}O\]

B)

\[{{C}_{2}}{{H}_{4}}{{O}_{2}}\]

C)

\[{{C}_{3}}{{H}_{6}}{{O}_{3}}\]

D)

\[{{C}_{6}}{{H}_{12}}{{O}_{6}}\]

View Answer
68) When acetamide reacts with \[B{{r}_{2}}\] in presence of \[NaOH\], there is a formation of:

A)

\[C{{H}_{3}}N{{H}_{2}}\]

B)

\[C{{H}_{3}}CN\]

C)

\[C{{H}_{3}}C{{H}_{2}}OH\]

D)

\[C{{H}_{3}}CHO\]

View Answer
69) Frenkel defect is shown by :

A)

\[AgBr\]

B)

ZnS

C)

\[Agl\]

D)

all of these

View Answer
70) The atomic size from left to right in periodic table:

A)

increases

B)

decreases

C)

no change

D)

none of these

View Answer
71) Which molecule is not linear?

A)

\[C{{O}_{2}}\]

B)

\[S{{O}_{3}}\]

C)

\[{{C}_{2}}{{H}_{2}}\]

D)

\[MgC{{l}_{2}}\]

View Answer
72) The correct order of increasing ionic character is:

A)

\[BeC{{l}_{2}}<CaC{{l}_{2}}<MgC{{l}_{2}}<BaC{{l}_{2}}\]

B)

\[BeC{{l}_{2}}<MgC{{l}_{2}}<CaC{{l}_{2}}<BaC{{l}_{2}}\]

C)

\[BeC{{l}_{2}}<BaC{{l}_{2}}<MgC{{l}_{2}}<CaC{{l}_{2}}\]

D)

\[BaC{{l}_{2}}<CaC{{l}_{2}}<MgC{{l}_{2}}<BeC{{l}_{2}}\]

View Answer
73) Glass reacts with HF giving:

A)

\[{{F}_{2}}\]

B)

\[{{H}_{2}}Si{{F}_{6}}\]

C)

\[Ca{{F}_{2}}\]

D)

\[NaF\]

View Answer
74) Two molecules of an aldehyde react with concentrated solution of caustic soda and produce one molecule of an alcohol and acid each. The aldehyde is:

A)

\[HCHO\]

B)

\[C{{H}_{3}}CHO\]

C)

\[C{{H}_{3}}C{{H}_{2}}CHO\]

D)

\[C{{H}_{3}}COC{{H}_{3}}\]

View Answer
75) A fee crystal contains how many atoms in each unit cell?

A)

4

B)

6

C)

3

D)

8

View Answer
76) The bond order is maximum in:

A)

\[{{H}_{2}}\]

B)

\[H_{2}^{+}\]

C)

\[H{{e}_{2}}\]

D)

\[H{{e}_{2}}^{+}\]

View Answer
77) Oxidation of acetaldehyde with selenium dioxide produces:

A)

glyoxal

B)

oxalic acid

C)

ethanoic acid

D)

methanoic acid

View Answer
78) Which is not emitted by radioactive substance?

A)

\[\alpha \]-rays

B)

\[\beta \]-rays

C)

Positron

D)

Proton

View Answer
79) Which of the following is not a colligative property?

A)

\[\Delta {{T}_{f}}\]

B)

\[\pi \]

C)

\[\Delta {{T}_{b}}\]

D)

\[{{K}_{b}}\]

View Answer
80) The equivalent weight of iron in \[F{{e}_{2}}{{O}_{3}}\] would be:

A)

18.6

B)

22.66

C)

56

D)

112

View Answer
81) Gold number is the index for:

A)

protective colloid

B)

purity of gold

C)

metallic gold

D)

electroplated gold

View Answer
82) Arrange the following in order of increasing C - C bond length?

(i) \[{{C}_{6}}{{H}_{6}}\]

(ii) \[CH\equiv CH\]

(iii) \[{{H}_{3}}C-C{{H}_{3}}\]

(iv) \[{{H}_{2}}C-C{{H}_{2}}\]

A)

\[I>II>III>IV\]

B)

\[II>IV>I>III\]

C)

\[III>I>IV>II\]

D)

\[III>IV>II>I\]

View Answer
83) \[{{K}_{p}}/{{K}_{c}}\] for the reaction \[CO(g)+\frac{1}{2}{{O}_{2}}(g)C{{O}_{2}}(g)\] is:

A)

1

B)

\[\frac{1}{4}\]

C)

\[\frac{1}{\sqrt{RT}}\]

D)

\[{{[RT]}^{1/2}}\]

View Answer
84) Half-life period of a substance is 1600 min. How much fraction of the substance will remain after 6400 min?

A)

\[\frac{1}{16}\]

B)

\[\frac{1}{4}\]

C)

\[\frac{1}{8}\]

D)

\[\frac{1}{2}\]

View Answer
85) For a reaction \[4A+5B4P+6Q\], the equilibrium constant \[{{K}_{c}}\] has the units:

A)

\[[mol\,{{L}^{-1}}]\]

B)

\[[mo{{l}^{-1}}\,L]\]

C)

\[{{[mol\,{{L}^{-1}}]}^{-2}}\]

D)

unitless

View Answer
86) A solution of Baeyers reagent:

A)

contains cold dilute \[CuC{{l}_{2}}\] and \[HCl\]

B)

contains cold dilute alk. \[KMn{{O}_{4}}\] solution

C)

can be used for reduction purpose

D)

can be used to detect unsaturation in phenol .

View Answer
87) Collision theory satisfactorily explains:

A)

first order reaction

B)

zero order reaction

C)

bimolecular reaction

D)

none of the above

View Answer
88) Plot of log (a - x) against time t is straight line. The reaction is of:

A)

second order

B)

first order

C)

zero order

D)

third order

View Answer
89) The weight of a single atom of oxygen is :

A)

\[0.057\times {{10}^{23}}g\]

B)

\[2.657\times {{10}^{-23}}g\]

C)

\[2.657\times {{10}^{23}}g\]

D)

\[4.657\times {{10}^{-23}}g\]

View Answer
90) A first order reaction is 75% complete after 32 min. When was 50% of the reaction completed?

A)

16 min

B)

8 min

C)

4 min

D)

32 min

View Answer
91) A biological catalyst is essentially :

A)

anaminoacid

B)

a carbohydrate

C)

an enzyme

D)

a nitrogen molecule

View Answer
92) Propane is obtained from propene by which of the following methods?

A)

Wurtz reaction

B)

Dehydrogenation

C)

Frankland reaction

D)

Catalytic hydrogenation

View Answer
93) The standard emf of the cell\[Zn+C{{u}^{2+}}\to Cu+Z{{n}^{2+}}\] is 1.10 at \[{{25}^{o}}C\]. The emf of the cell when 0.1M \[C{{u}^{2+}}\]and 0.1 M \[Z{{n}^{2+}}\] solution are used will be:

A)

1.10 V

B)

+ 0.110 V

C)

-1.10 V

D)

-0.11 V

View Answer
94) At \[{{90}^{o}}C\] pure water has\[{{H}_{3}}{{O}^{+}}={{10}^{-6}}mol/{{L}^{-1}}\]. The value of \[{{K}_{w}}\] at \[{{90}^{o}}C\] is:

A)

\[{{10}^{-6}}\]

B)

\[{{10}^{-12}}\]

C)

\[{{10}^{-14}}\]

D)

\[{{10}^{-8}}\]

View Answer
95) Degree of dissociation of 0.1 N \[C{{H}_{3}}COOH\]is: (dissociation constant \[=1\times {{10}^{-5}}\])

A)

\[{{10}^{-5}}\]

B)

\[{{10}^{-4}}\]

C)

\[{{10}^{-3}}\]

D)

\[{{10}^{-2}}\]

View Answer
96) The standard cell potential of the galvanic cell, \[Zn/Z{{n}^{2+}}||A{{g}^{+}}/Ag\] where \[{{E}^{o}}_{Z{{n}^{2+}},Zn}=-0.76\,\,V\]and \[{{E}^{o}}_{A{{g}^{+}},Ag}=+0.80\,\,V\] is:

A)

+ 0.04V

B)

-0.04V

C)

+1.54 V

D)

-1.54V

View Answer
97) The solubility of \[AgCl\] is 0.0015 g/L. The solubility product of \[AgCl\] will be:

A)

\[2\times {{10}^{-10}}\]

B)

\[1.1\times {{10}^{-10}}\]

C)

\[3.1\times {{10}^{-10}}\]

D)

\[4.1\times {{10}^{-10}}\]

View Answer
98) Which of the following is formed by the action of water on sodium peroxide?

A)

\[{{H}_{2}}\]

B)

\[{{N}_{2}}\]

C)

\[{{O}_{2}}\]

D)

\[CO\]

View Answer
99) If 0.15 g of a solute dissolved in 15 g of solvent is boiled at a temperature higher by\[{{0.216}^{o}}C\], than that of the pure solvent, the molecular weight of the substance is: (Molal elevation constant for the solvent is\[{{216}^{o}}C\])

A)

10

B)

10.1

C)

100

D)

1.01

View Answer
100) Proteins are composed of:

A)

a amino acids

B)

carbohydrates

C)

vitamins

D)

mineral salts

View Answer
101) Veliger larva is found in the phylum :

A)

Mollusca

B)

Echinodermata

C)

Arthropoda

D)

Cnidaria

View Answer
102) Cyanide resistant respiration is characteristic of:

A)

viruses

B)

bacteria

C)

fungi

D)

plants

View Answer
103) In DNA helix cytosine is paired with guanine by:

A)

covalent bond

B)

phosphate bond

C)

two \[{{H}_{2}}\] bonds

D)

three \[{{H}_{2}}\] bonds

View Answer
104) ADP contains :

A)

one high energy bond

B)

two high energy bonds

C)

three high energy bonds

D)

four energy bonds

View Answer
105) The infective stage of Plasmodium is :

A)

sporozoite

B)

trophozoite

C)

merozoite

D)

schizont

View Answer
106) Reteroviruses have :

A)

only RNA as genetic material

B)

only DNA as genetic material

C)

DNA and RNA both

D)

genes on nucleoprotein complexes as genetic material

View Answer
107) Quill feathers at the base of quill wings are called:

A)

remiges

B)

barbules

C)

coverts

D)

down feathers

View Answer
108) Which of the following is an enterocoelic invertebrate ?

A)

Sepia

B)

Cimex

C)

Ophiothrix

D)

Polygordius

View Answer
109) Rajaji national park is in :

A)

Karnataka

B)

Rajasthan

C)

Uttarakhand

D)

Assam

View Answer
110) Sinus venosus is present in :

A)

birds only

B)

birds and mammals

C)

reptiles and birds

D)

fishes, amphibians and reptiles

View Answer
111) Coelom derived from blastocoel is known as:

A)

haemocoel

B)

entero coelom

C)

pseudocoelom

D)

schizocoel

View Answer
112) Which of the following cell type is capable of giving rise to other cell types in sponges ?

A)

Thesocytes

B)

Pinacocytes

C)

Collencytes

D)

Archaeocytes

View Answer
113) The function of peroxisomes is :

A)

\[{{H}_{2}}{{O}_{2}}\] destruction

B)

conversion of fats to carbohydrates

C)

detoxification of heavy metals

D)

oxidation phosphorylation

View Answer
114) Downs syndrome is characterised by :

A)

21st trisomy

B)

two X and one Y chromosomes

C)

19 trisomy

D)

only one X chromosome

View Answer
115) Which of the following is colourless Hydra ?

A)

Hydraused

B)

Hydra viridis

C)

Hydra oligactis

D)

Hydra vulgaris

View Answer
116) Predation and parasitism are which type of in teractions ?

A)

++

B)

+-0

C)

--

D)

+-

View Answer
117) Eggs of egg laying (prototherians) mammals are:

A)

macroledthal

B)

telolecithal

C)

alecithal

D)

mesolecithal

View Answer
118) The function of glyoxysome is :

A)

protein metabolism

B)

carbohydrate metabolism

C)

fat metabolism

D)

protein synthesis

View Answer
119) Gynaecophoric canal is found in :

A)

Taenia sagginata (male)

B)

Schistosoma haematobium (male)

C)

Wuchereria. bancrofti (male)

D)

E. granulosus (female)

View Answer
120) The excretory material of bony fish is :

A)

urea

B)

protein

C)

ammonia

D)

amino acid

View Answer
121) Cranial nerves numbering IV, V, VI are :

A)

trochlear, trigeminal, abducens

B)

trochlear, trigeminal, facial

C)

auditory, facial, trochlear

D)

auditory, trochlear, facial

View Answer
122) Cells which are secretory in function have abundant:

A)

lysosomes

B)

E.R.

C)

dictyosomes

D)

osteosomes

View Answer
123) Gonadotropins are secreted from :

A)

gonads

B)

post pituitary

C)

anterior pituitary

D)

hypothalamus

View Answer
124) Tasmanian wolf is a marsupial while wolf is a placental mammal this shows :

A)

convergent evolution

B)

divergent evolution

C)

parallelism

D)

inheritance of acquired characters

View Answer
125) Unwinding of DNA is done by :

A)

topoisomerase

B)

exonuclease

C)

helicase

D)

ligase

View Answer
126) When an animal has both the characters of male and female it is called :

A)

intersex

B)

super male

C)

super female

D)

gynandromorphy

View Answer
127) Insulin is secreted by :

A)

spleen

B)

\[\text{ }\!\!\beta\!\!\text{ }\]-cells of pancreas

C)

\[\alpha \]-cells of pancreas

D)

mucosa of oesophagus

View Answer
128) Book lungs are respiratory organs of:

A)

Mollusca

B)

mammals

C)

Arachnida

D)

earthworm

View Answer
129) Micturition reflex is related to :

A)

urination

B)

ovulation

C)

copulation

D)

earthworm

View Answer
130) One gene one enzyme theory was given by :

A)

Temin and Baltimore

B)

Watson and Crick

C)

Robert and Koch

D)

Beadle and Tatum.

View Answer
131) DNA synthesis occurs in.:

A)

prometaphase

B)

prophase

C)

interphase

D)

telophase

View Answer
132) Fat is converted into fatty acid and glycerol by enzyme :

A)

amylase

B)

lipase

C)

ptyalin

D)

trypsin

View Answer
133) In ruminants bacterial action takes place in :

A)

rumen

B)

reticulum

C)

omasum

D)

both [a] and [b]

View Answer
134) Which of the following is a motor nerve ?

A)

Optic

B)

Abducens

C)

Auditory

D)

Trigeminal nerve

View Answer
135) The immediate cause of induction of ovulation in human female is large plasma surge of :

A)

LH

B)

FSH

C)

estrodiol

D)

progesterone

View Answer
136) Formation of RNA from DNA is known as :

A)

transcription

B)

translation

C)

replication

D)

recombination

View Answer
137) In the 28th day human ovarian cycle, me ovulation takes place typically on :

A)

1st day of the cycle

B)

5th day of the cycle

C)

14th day of the cycle

D)

28th day of the cycle

View Answer
138) Lungs are enclosed in :

A)

pericardium

B)

peritonium

C)

perichondrium

D)

pleural membrane

View Answer
139) Confusion technique involves the use of:

A)

juvenile hormone

B)

pheromones

C)

ecdysomes

D)

hormones

View Answer
140) Ontogeny recapitulates phylogeny. This is :

A)

Pauling law

B)

Hardey-Weinberg law

C)

Biogenetic law

D)

Thomas law

View Answer
141) A cell is heterozygous at three gene loci, how many different type of gamete can it form ?

A)

2

B)

3

C)

6

D)

8

View Answer
142) Which of the following is the most toxic excretory product ?

A)

\[C{{O}_{2}}\]

B)

Urea

C)

Ammonia

D)

Ammo acids

View Answer
143) Which of the following is concerned with the formation of urea in rabbit ?

A)

Blood

B)

Kidney

C)

Spleen

D)

Liver

View Answer
144) Lamarck was :

A)

French botanist who late become zoologist

B)

English naturalist (gave theory of evolution)

C)

French scientist (inheritance of acquired characters)

D)

French scientist (law of inheritance)

View Answer
145) 5th cranial nerve of frog is :

A)

optic

B)

vagus

C)

trigeminal

D)

ophthalmic

View Answer
146) Cancer of prostrate gland is caused due to exposure of:

A)

hydrocarbons

B)

cadmium oxide

C)

methane gas

D)

strontium compound

View Answer
147) Externally observable characters of an individual are called :

A)

phenotype

B)

genotype

C)

homozygous

D)

heterozygous

View Answer
148) Menstrual flow occurs due to lack of hormone:

A)

progesterone

B)

FSH

C)

oxytocin

D)

vasopressin

View Answer
149) Indian species of silkworm is:

A)

Bombyx mori

B)

Apaphia

C)

Aroylei

D)

Aosscaman

View Answer
150) Mongoloid condition is related with:

A)

Nullisomy

B)

monosomy

C)

trisomy

D)

autosomy

View Answer
151) The number of hydrogen bonds between adenine and thymine in DNA molecule are:

A)

Two

B)

three

C)

four

D)

eight

View Answer
152) Tetradynamous stamens are found in family:

A)

Malvaceae

B)

Solanaceae

C)

Cruciferae

D)

Liliaceae

View Answer
153) White rust disease is caused by:

A)

Claviceps

B)

Alternaria

C)

Phytophthora

D)

Albugo Candida

View Answer
154) The ecosystem of pond is referred as:

A)

lotic

B)

lentic

C)

xeric

D)

benthic

View Answer
155) The 10% energy transfer law of food chain was given by:

A)

Stanley

B)

Tansley

C)

Lindemann

D)

Weismann

View Answer
156) Heterosis is also called :

A)

mutation

B)

variation

C)

hybrid vigour

D)

hybrid sterility

View Answer
157) Hybrid vigour was discovered by :

A)

Jordon

B)

Koelreuter

C)

Shull

D)

Johanson

View Answer
158) Thigmotrophic movement is best shown by :

A)

movement in roots

B)

insectivorous plants

C)

movement in tendril

D)

movement in Mimosa pudica

View Answer
159) The latest trend in plant disease control is :

A)

chemical control

B)

biological control

C)

use of fertilizers

D)

use of disease resistant varieties

View Answer
160) In plants, peroxisomes are associated with :

A)

phototropism

B)

photoperiodism

C)

photosynthesis

D)

Photorespiration

View Answer
161) The function of rough endoplasmic reticulum is synthesis of:

A)

fat

B)

lipid

C)

protein

D)

steroid

View Answer
162) Which of the following plant kingdom, is called amphibians?

A)

Bryophyta

B)

Trachaeophyta

C)

Pteridophyta

D)

Thallophyta

View Answer
163) Which of the following plant virus has DNA is it?

A)

Tobacco mosaic virus

B)

Tomato mosaic virus

C)

Potato mosaic virus

D)

Cauliflower mosaic virus

View Answer
164) Dicotyledonous leaf showing parallel venation belongs to the genus :

A)

Pisum

B)

Lathyrus

C)

Physalia

D)

Calotropis

View Answer
165) A thin film of water is held by the soil particles under the influence of internal attractive force it is called:

A)

capillary water

B)

combined water

C)

hygroscopic water

D)

gravitational water

View Answer
166) Opium is obtained, from :

A)

Oryza sativa

B)

Coffea arabica

C)

Thea sinensis

D)

Papaver somniferum

View Answer
167) The process of mating of individuals, which are more closely related then the average of the population to which they belong, is called?

A)

Inbreeding

B)

Hybridization

C)

Heterosis

D)

Self breeding

View Answer
168) The nuclease enzyme, which begins its attack from free end of a polynucleotide, is?

A)

Exonuclease

B)

Kinase

C)

Polymerase

D)

Endonuclease

View Answer
169) Humus is:

A)

dead and shady organic matter

B)

living organic and inorganic things

C)

accumulation of radioactive materials

D)

none of the above

View Answer
170) The periderm includes :

A)

cork

B)

cambium

C)

secondary cortex

D)

all of the above

View Answer
171) A pigment which absorbs red and far red light is:

A)

carotene

B)

xanthophyll

C)

phytochrome

D)

cytochrome

View Answer
172) The chemical compounds produced by the host plants to protect themselves, against fungal infection is :

A)

phytotoxin

B)

pathogen

C)

phytoalexins

D)

hormone

View Answer
173) Parachute mechanism of seed dispersal occurs in :

A)

cotton

B)

sunflower

C)

Physalia

D)

Calotropis

View Answer
174) Energy enters in ecosystem through :

A)

herbivores

B)

carnivores

C)

producers

D)

decomposers

View Answer
175) ABA is involved in :

A)

root elongation

B)

shoot elongation

C)

dormancy of seeds

D)

increased cell division

View Answer
176) Gene therapy involves in :

A)

introducing of a normal genes in cell

B)

eliminating defective and useless genes

C)

treating of defective genes with radiations

D)

replacement of defective genes by normal ones

View Answer
177) Which of the following tissue helps in the flow of water in vascular plant?

A)

Xylem

B)

Phloem

C)

Cambium

D)

Sieve tube cell

View Answer
178) During light reaction of photosynthesis which of the following phenomenon is observed during cyclic phosphorylation as well as non-cyclic phosphorylation :

A)

release of \[{{O}_{2}}\]

B)

formation of ATP

C)

formation of NADPH

D)

involvement of PS-I and PS-II

View Answer
179) Phragmoplast is the precursor of :

A)

cell plate

B)

chloroplast

C)

chromoplast

D)

colourless plastid

View Answer
180) Conjugation occurs in :

A)

Funaria

B)

Spirogyra

C)

Oryza

D)

Selaginella

View Answer
181) The abundance of a species population, with in its habitat is called :

A)

niche density

B)

absolute density

C)

relative density

D)

regional density

View Answer
182) Respiratory quotient (R.Q.) during early stages of germination of castor seed is :

A)

zero

B)

one

C)

less than one

D)

more than one

View Answer
183) Maximum transpiration occurs in :

A)

algal cells

B)

xerophytic plants

C)

mesophytic plants

D)

hydrophytic plants

View Answer
184) Plasmids are :

A)

nucleoid

B)

new type nurcoorganism

C)

linear chromosome

D)

extra chromosomal circular material

View Answer
185) Nitrates are converted into nitrogen by :

A)

denitrifying bacteria

B)

nitrogen fixing bacteria

C)

carbon fixing bacteria

D)

none of the above

View Answer
186) Which of the following pair is a sedimentary type of biogeochemical cycle?

A)

Oxygen and nitrogen

B)

Phosphorus and sulphur

C)

Phosphorus and nitrogen

D)

Phosphorus and carbon dioxide

View Answer
187) In which of the following stages the chromosomes appear thin, long and thread like?

A)

Zygotene

B)

Pachytene

C)

Leptotene

D)

Diakinesis

View Answer
188) Longitudinal duality of each chromosome of a homologous pair becomes clearly evident showing formation of four chromatids from each bivalent at;

A)

diplotene

B)

zygotene

C)

pachytene

D)

diakinesis

View Answer
189) The witches broom of legume is caused by :

A)

virus

B)

bacteria

C)

fungus

D)

mycoplasma

View Answer
190) The two great industrial tragedies namely MIC and Charnobyl respectively occurred where and at which time :

A)

Bhopal 1980, Ukrain 1990

B)

Bhopal 1986, Ukrain 1988

C)

Bhopal 1984, Ukrain 1986

D)

Bhopal 1986, Russia 1988

View Answer
191) The organism, used for alcohol fermentation, is:

A)

Pseudomonas

B)

Penidllium

C)

Aspergillus

D)

Saccharomyces

View Answer
192) The chloroplast of algae usually lack :

A)

grana

B)

pigments

C)

lamellae

D)

quantasome

View Answer
193) Haustorial root is present in :

A)

Zea mays

B)

Cactus

C)

Cuscuta

D)

Orchid

View Answer
194) Which of the following ion is involved in the closing and opening of stomata?

A)

\[M{{g}^{2+}}\]

B)

\[N{{a}^{+}}\]

C)

\[F{{e}^{2+}}\]

D)

\[{{K}^{+}}\]

View Answer
195) Chloroplasts, with pyrenoid like structures are found in the leaves of:

A)

Funaria

B)

Cycos

C)

Selaginella

D)

Zea mays

View Answer
196) Genes are responsible for the growth and differentiation in an organism through regulation of:

A)

translocation

B)

transformation

C)

transduction and translation

D)

translation and transcription

View Answer
197) As a tree grows older, which of the following increases more rapidly in thickness :

A)

phloem

B)

cortex

C)

heart wood

D)

sap wood

View Answer
198) Spore in Funaria, on germination gives :

A)

protonema

B)

archegonia

C)

antheridia

D)

vegetative body

View Answer
199) Green house-effect is due to :

A)

\[C{{O}_{2}}\]

B)

\[CO\]

C)

\[N{{O}_{2}}\]

D)

\[P{{O}_{4}}\]

View Answer
200) Normally DNA molecule has A-T, G-C pairing. However, these bases can exist in alternative valency status, owing to rearrangement called?

A)

Point mutation

B)

Analog substitution

C)

Frame shift mutation

D)

Tautomerisational mutation

View Answer

Study Package

Buy Now

Solved papers for DUMET Medical DUMET Medical Solved Paper-2001

done DUMET Medical Solved Paper-2001 Total Questions - 200

Study Package

DUMET Medical Solved Paper-2001 Total Questions - 200