Etea Medical Entry Test All Original Past Papers 2010-2018

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Sample Question from PDF File.

 

  1. ―The compound that cannot undergo addition reaction is:

(a) Cycloproane

(b) Benzene

(c) Butyne

(d) None  of  the above

2.Benzene gives more stable product when undergo:

(a) Nucleophilic addition reaction

(b) Oxidation reaction

(c) Electrophilic substitution reaction

(d) Electrophilic addition reaction

3.

For callus formation, auxin and cytokinin are required

in which ratio?

(a) Balanced

(b) Only cytokinin required

(c) Low auxin, very high cytokinin

(d) Only auxin

4.

For which purpose myeloma cells (cancerous

B.lymphocytes) are used in the production of

monoclonal antibodies?

(a) Increased rate of cell division

(b) Immunization with antigen

(c) To avoid

contamination

(d) As nutrient in media

  1. DNA polymer ase adds nucleotide .to the 3‘ end of the primer so the direction of replication will be?

(a) 5 3  to   

(b) 3  5 to  

(c)  3  end of the primer to 3  end of template strand

(d) 3  end of template strand to the 3  end of the primer

  1. The range of projectile is the same for two angles which are mutually;

(a) Perpendicular

(b) Supplementary

(c) Complementary

(d) 270

  1. A wave of amplitude 20 mm has intensity I x another wave of the same frequency but of amplitude 5 mm has intensity I y , what is I x

/ I y  ?

(a) 2

(b)  4

(c) 16

(d) 256

  1. The resistance of a device is designed to change with temperature. What is device?

(a) A light-dependent resistor

(b) A potential divider

(c) A semicon ductor diode

(d) A the rmistor

  1. I enjoy ______________ tennis.

(a)to play

(b) plays

(c) playing

(d) to playin were able to walkthrough the path.

Choose the correct sentence.

(a) Naila was so exhausted that she lain down for a

nap.

(b) Naila was so exhausted that she liad down for a nap.

(c) Naila was so exhausted that she was lying do wn for

a nap.

(d) Naila was so exhausted that she will lay do wn for a nap.

21.

The bond energy of a  H  2  molecule

is:

(a)

436

Kj/mol

(b)

40.7

Kj/mol

(c)

272

Kj/mol

(d)

436

Avogaros no Kj/mol

  1. Considering the molecule, orbital theory (MOT)

choose the correct relative energies order.

  1. The oxidation of pent -2-one (2-pentanone) with nascent oxygen gives:

(a) Propanal

(b) Propanoic acid

(c)Ethanoic acid

(d) Pentanoic acid

24.

If medulla oblongata of a person brain is damaged

which of the following processes will be disturbed?

(a)

Thinking

(b)

Sleep

(c)

Thirst

(d)

Swallowing

25.

Otitis media is an inflammation of which part of the

body?

(a)

Brain

(b)

Middle

ear

(c)

Lungs

(d)

Urinary

tract

26.

In which of the following disorder the structure and

function of normal spinal cord is damaged?

(a)

Arthritis

(b)

Sciatica

(c)

Spondyiosis

(d)

27.

A stationary nucleus has nucleon number A. The

nucleus decays by emitting a proton with speed

v

to

form a new nucleus with speed u. The new nucleus

and the proton move away from one another in

opposite direction. Which equation gives

v

in terms of

A

and

u

?

(a) v = (

A

/ 4

1)

u

(b) v = (

A

1)

u

(c) v =

A

u

(d) v = (

A +

1)

u

28.

a person, travelling on a motorway a total distance of

200 km, travles the first 90 km at an average speed of

80 km h

-1

. Which average speed must be obtained for

the rest of the journey if the person is to reach the

destination in a total time of 2 hours 0

minutes?

(a) 110 km h

-1

(b)

122 km h

-1

(c) 122 km h

-1

(d) 126 km h

-1

29.

An object of mass ―m‖ travelling with speed ―v‖ has a

head-on collision with a

nother object of mass ―m‖

travelling with speed ―v‖ in the opposite direction. The

two objects stick together after the collision. What is

the total loss of kinetic energy in the collision.

(a)

0

(b)

2

1

2

mv

(c)

2

mv

(d)

2

2

mv

30.

He asked me what my name was and what I did.

(a)

He said to me, ―What was my name and what did I

do?‖

(b)

He said to me, ―What is your name and what do

you do?‖

(c)

He said to me, ―What my name was and what

I

do?‖

(d)

He said to me, ―What his name was and what did

he do?‖

31.

Four beakers containing ethanal, ethanol, propanane

and phenol separately. Aqueous bromine was added to

each beaker. A white ppt was produced in one beaker.

This beaker contain:

(a)

Ethanol (b)

Phenol (c)

Ethanals

(d)

propanone

32.

To differentiate between the white ppt of

AgCl

and

off-white ppt of

AgBr

we use:

(a) Dil. Solution of

NaOH

(b) Dil

.

Solution of

Pb(NO

3

)

3

(c) Dil. Solution of

NH

3

(d) Dil. Sulution of

FeCl

3

33.

3

2

2

2

5

2

2

||

Pr

C

H

C

H

N

H

C

H

C

H

o

d

u

c

t

C

(a)

Sheft‘s base

(b)

Diazonium

sait

(c)

Amide

(d)

Imine

+

Amide

34.

If the primer annealing temperature is increased to

94

. What will happen?

(a)

Annealing

(b)

Extension

(c)

No

annealing

(d)

Primer-dimer

formation

35.

Choose acids that are showing leveling effect.

i)

Hcl

ii)

Hl

iii)

HCl

iv)

HF

(a)

i

&

iv

(b)

i,

iii

&

iv

(c)

iii

&

iv

(d)

i,

ii,

&

iii

3

36.

The experiments by Hershey and Chase helped

confirm that DNA was the hereditary material on the

basis of the finding that:

(a) Radioactive phage were found in

the pellet

(b) Radioactive phage were found in

the supernatant

(c) Radioactive sulfur was found inside the cell

(d) Radioactive phosphorus was found in the cell

37.

How many nucleotides are 12 mRNA codons?

(a)

12

(b)

24

(c)

36

(d)

48

38.

Which of the following is a suitable vector to be

incorporated with a large external DNA fragment?

(a) Small size vector

(b) Large size vector

(c) Large size vector with no srcin of replication

(d) Small size vector with no srcin of replicatio

n

39.

A value for the acceleration of free fall on Earth is

given as (10

2) m s

-2

. Which statement is correct?

(a) The value is accurate but not precise.

(b) The value is both precise and accurate.

(c) The value is nether precise nor accurate.

(d) The value is precise but not accurate.

40.

Which experimental technique reduces the systematic

error of the quantity being investigated?

(a) Adjust an ammeter to remove its zero error before

measuring a current

(b) Measuring several internodal distances on a

standing wave to find the mean internodal

distance

(c) Measuring the diameter of a wire repeatedly and

calculating the average

(d) Timing a large number of oscillations to find

a

period

41.

A metal sphere of radius r is dropped into a tank of

water. As it sinks at speed v, it experiences a drag

force F given by F = k r v, where k is a constant. What

are the S.I base units of k?

(a) Kg m

2

s

-1

(b) Kg m

2

s

-2

(c) Kg m

1

s

-1

(d)

Kg

m

s

-2

42.

Choose the correct sentence.

(a) How long are you wearing glasses?

(b) How long do you wear glasses?

(c) How long are you wear glasses?

(d) How long have you been wearing glasses?

43.

A Carnot engine working between 200 k and 400 k

has

work output of 600 J are cycle. How much heat energy

is supplied to the engine from the source in each cycle.

(a)

1400

J

(b)

1200

J

(c)

1700

J

(d)

1300

J

44.

What happens when charge is placed on a soap

bubble?

(a)

It

collapse

(b)

Its

radius

increases

(c) Its radius de

creases

(d) None of

the above

45.

Choose

the antonym for the word ―ABROGATE‖

(a)

Transgress

(b)

Signify

(c)

Allevate

(d)

Ratify

46.

Which ion is stable in aqueous solution?

(a) Sc

3+

(b) Li

2+

(c)

Ba

3+

(d) Na

47.

Colloidal particles can be separated by using:

(a) Ordinary filter paper

(b) Coarse filter paper

(c)

Fine

filter

paper

(d) Extremely fine filter paper

48.

Consider the following reaction

3

(

)

(

)

2

(

)

(

) 2

(

5

)

2

6

2 6

a

q

a

q

a

q

a

q

FeCl

kl

Fel

KCl

l

Rate =

3

2

3

K

FeCl

Kl

choose the correct

molecularly and order of the

reaction respectively

(a)

2

and

2

(b)

6

and

2

(c)

8

and

3

(d)

8

and

2

49.

Which of the following nutrient is incorrectly paired

with its function in plant?

(a) Iron

cytochromes and chlorophyll synthesis

(b) Molybdenum

ell permeability

(c) Cobalt

required by nitrogen fixers

(d) Calcium

formation of cell wall

50.

Which cells are responsible for the movement of sugar

as per mass flow hypothesis?

(a) Tracheids, vessel elements

(b) Tracheids, companion cells

(c) Vessel elements, companion cells

(d) Companion cell, sieve-tubes

51.

After buying green bananas or unripe avocadoes, they

can be kept in a brown bag to ripen. The hormone

reieased by the fruit and trapped in the bag is probably:

(a)

Abscisic

acid

(b)

Cytokinin

(c)

Ethylene

(d)

Gibberellic

acid

52.

For the location/detection of a gene in a DNA library

which of the following is used?

(a)

Primer

(b)

Probe

(c) Restrictionn

enzyme

(d) Taq

polymerase

53.

Under UV illumination, DNA bands are seen in

agarose due to which of the following ?

(a)

Agarose

(b)

Charge

of

DNA

(c)

Fluorescent

dye

(d)

Radioactive

dye

4

54.

When a car travelling with constant velocity passes a

stationary observer, the observer hears a change in the

frequency of the sound emmited by the car .Which is

statement is correct?

(a) The cange in frequency is greater as the car moves

away than as it approaches.

(b) The greater the speed of the car, the greater the

change in observed frequency.

(c) The observed frequency is lower as the car moves

towards the observer and higher as the car moves

away from the observed.

(d) The volume of the sound heard by the oberved

does not changes as the car approcahes.

55.

A parachutist is falling constant (terminal) velocity.

Which statement is not correct?

(a) Gravitational potential energy is converted into

kinetic energy of the air.

(b) Gravitational potential energy is converted into

kinetic energy of the parachutist.

(c) Gravitational potential energy is converted into

thermal energy of the air.

(d) Gravitational potential energy is converted into

thermal energy of the parachutist.

56.

The time period of a simple pendulum is 2 seconds. If

its length is increased by 4 times , then its period

becomes :

(a)

16

s

(b)

12

s

(c)

8

s

(d)

4

s

57.

Choose the correct sentence.

(a) The village folk were present.

(b) The village folk was present.

(c) The village folks were present.

(d) The village folks was present.

58.

The number of chiral centres in a molecule of 5-bromo

3-chloro hexan-2-Ol is /are:

(a)

1

(b)

3

(c)

2

(d)

5

59.

Which group when attached to benzene will increase

its reactivity :

(a)

NHR

(b)

3

NH

(c)

C

N

(d)

CO

R

60.

The compound which is purely acidic is:

(a)

2

Mg

OH

(b)

3

Al

OH

(c)

4

Si

O

H

(d)

None

of

the

above

61.

Which of the following is a non-sense codon?

(a)

UGA

(b)

UAU

(c)

CAU

(d)

GAU

62.

If a disorder is

not present

in a

child family

but the

fetus itself is infected before birth,it is known as?

(a)

Somatic

mutation

(b) H

ereditary

mutation

(c) Germ line

mutation

(d) De novo

mutation

63.

What will happen if a nucleotide is deleted from a

gene having 9 nucleotides in its transcriptional unit?

(a) Change in ph

enotype

(b) No change

in phenotype

(c) Synthesis of 3 amino acids

(d) Synthesis of 4 amino acids

64.

Work function for a certain surface is 3.26 eV.

Minimum frequency , light must have in order to eject

electron from surface will be:

(a)

15

1

.6

1

0

H

z

(b)

15

3

.2

1

0

H

z

(c)

15

4

.8

1

0

H

z

(d)

14

7.

87

10

H

z

65.

The

unit of planck‘s c

onstant is the same as

that

of:

(a) Angular momentum (b) Work

(c)

Force

(d)

Torque

66.

A radioactive substace has a half-life of 60 minutes.

During 3 hours , the percentage of the material that

decayed would be:

(a)

12.5%

(b)

87.5%

(c)

8.5%

(d)

25.1%

67.

While the city has earned record revenue this year,

__________ well behind in exports.

(a)

it

still

lag

(b)

it

still

lags

(c)

it

lag

still

(d)

it

lags

still

68.

The compound which can be hydrolyzed by means of

water is:

(a) CCl

4

(b)

SiCl

4

(c) CH

4

(d) None of the above

69.

Choose the correct statement about cycloalkanes:

(a) Cyclopropane and cyclobutane are liquids at

room

temperature

(b) Cycloalkanes are insoluble in ethanol and ether but

soluble in water

(c) Their melting and boiling points show a gradual

increase with increase in no of corbon.

(d) Both (b) & (c) are correct

70.

Which one is a strong nucleophile:

(a)

(b)

(c)

̈

(d)

71.

Choose the correct arrangement of the various regions

of the electromagnetic spectrum in terms of wave

lengths.

(a)

IR > un > visible > microwave > radio frequency

(b)

Microwave IR > uv > visible > > radio frequency

(c)

Radio frequency > microwave > IR > visible > uv

(d)

Visible > IR > uv > microwave > radiowave

72.

If one of the following component is missing bacteria

can not increase the number of its plasmid copies?

(a) Antibiotic resistant gene (b) Origin of replication

(c)

Cloning

site

(d)

Ligases

enzyme

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