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AIIMS UG Online Practice Test Question Answers

AIIMS UG Medical Practice Test MCQ Questions Answers for the admission in MBBS, BDS, Dental: This mock test having 15 question each, with four choices. On each click on answers system will tell you where the answers is correct or incorrect. You can view this AIIMS under graduate entrance Question are available for Biology, Physics and Chemistry details at the end of the quiz. You can also download  AIIMS Previous Year Question Papers with Solution.

AIIMS UG Online Practice Test Question Answers

This All India Institute of Medical Sciences Entrance Exam  (AIIMS UG) questions answers are applicable for any kind of medical entrance exam examination. You can practice as much as you can to gather knowledge of how to answers AIIMS UG Test critical type papers in short time and this can be a big factor for cracking medical level exam.

AIIMS UG Online Practice Test - Biology

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Question 1
Appearance of dark-coloured pepper moths among the light-coloured ones as a result of increased industrial pollution is an example of
A
disruptive selection
B
stabilising selection
C
directional selection
D
None of the above
Question 2
A fruit developed from a condensed inflorescence is
A
simple fruit
B
aggregate fruit
C
composite fruit
D
etaerio
Question 3
The ratio of osmotic pressure exerted by 1 M sucrose and 1 M NaCl solution will be
A
1
B
2
C
0.1
D
0.5
Question 4
The main function of the white blood cell in the human intestine system is to
A
combat and destroy antigenic particles
B
produce antigens to combat antibodies
C
carry oxygen around the body
D
transport antigens to B memory cells in the lymph nodes
Question 5
Which one of the following is the best stage to observe the shape, size and number of chromosomes in a cell?
A
Interphase
B
Prophase
C
Metaphase
D
Telophase
Question 6
In the blood of an adult man the total content of hemoglobin is roughly
A
several hundred grams
B
tens of gram (10-100 g)
C
several grams
D
several hundred milligram
Question 7
Sinking of zooplankton during the day and rising to the surface at night is an example of
A
circinal rhythm
B
circadian rhythm
C
tidal rhythm
D
None of these
Question 8
Centre of DNA Fingerprinting and Diagnostics (CDFD) is located at
A
Delhi
B
Chennai
C
Kolkata
D
Hyderabad
Question 9
The function of nitrogen fixation In Anabaena (cyanobacterium) is performed by
A
thylakoid
B
heterocyst
C
phycocyanin
D
phycoerythrin
Question 10
In a bacterium, the amount of adenine was found to be 18 per cent. Suggest the cytosine base composition from the following
A
64%
B
36%
C
32%
D
18%
Question 11
pBR322, which is frequently used as a vector for cloning gene in E. coli is a/an
A
original bacterial plasmid
B
modified bacterial plasmid
C
viral genome
D
transposon
Question 12
Holandric genes are located
A
both in X and Y-chromosome
B
only in Y-chromosome
C
only in X-chromosome
D
only in autosomes
Question 13
In which of the following combinations, the compounds in ascending order based on their molecular weights are arranged?
A
DNA, RNA, AMP, ADP, ATP
B
DNA, RNA, ATP, ADP, AMP
C
AMP, ADP, ATP, RNA, DNA
D
AMP, ATP, ADP, DNA, RNA
Question 14
Elaters are absent in
A
Funaria
B
Marchantia
C
Pellia
D
Porella
Question 15
The callus is defined as
A
decaying cells
B
differentiated cells
C
sterile mass cells
D
undifferentiated mass of cells
Question 16
Calcium dependent kinases can control
A
cell cycle activities
B
DNA replication
C
cell surface receptors
D
membrane structure
Question 17
Which of the following serve as the anchoring junctions between the cells?
A
Tight junctions
B
Gap junctions
C
Desmosomes
D
Nexuses
Question 18
22. Blood cells that increase in number during allergic conditions like asthma are
A
neutrophils
B
basophils
C
eosinophils
D
lymphocytes
Question 19
The cornea is a very important component of the human eye. The main function of the cornea is to
A
bend the light before it reaches the lens
B
provide structural support to the eye
C
contain a concentrated amount of cone cells in the correct orientation
D
change the shape of the lens to enable the image to be focused on the retina
Question 20
Acoelomate, triploblastic body with bilateral symmetry is characteristic of
A
flatworm
B
roundworm
C
segmented worm
D
mollusc
Question 21
In a stable ecosystem, which of the following limits the number of trophic levels?
A
Biomass
B
The number of nutrients
C
Availability of nutrients
D
Presence of contaminants that increase in concentration along the food chain
Question 22
Oxygen content reduction makes the glycolyse (glycogenesis) intensity increased due to
A
increase of ADP concentration in cell
B
increase of NAD+ concentration in cell
C
increase of ATP concentration in cell
D
increase of concentration of peroxides and free radicals
Question 23
If a segment of an mRNA molecule has the sequence S’ GUACCGAUCG 3, which of the following could have been the template DNA molecule?
A
5’ GCUAGCCAUG 3’
B
5’GUACCGAUCG 3’
C
5’ CATGGCTAGC 3’
D
5’ CGATCGGTAC 3’
Question 24
Hardy-Weinberg’s principle of ‘zero evolution’ is based on
A
genetic equilibrium
B
random mating
C
no migrations
D
All of the above
Question 25
What does the term ‘reproductive isolation’ refers to?
A
An individual is unable to fertilize itself
B
Genes are not exchanged between two populations
C
Individuals from two populations never mate
D
Individuals from two populations never produce offspring’s
Question 26
Below are listed some pairs of characters. The homologous pair is
A
forelimbs of dog and camel
B
insect wing and bat wing
C
feathers of birds and fins of fish
D
lens of vertebrate and arthropod
Question 27
If Darwin’s theory of pangenesis shows similarity with theory of inheritance of acquired characters then what shall be correct according to it?
A
Useful organs become strong and developed while useless organs become extinct. These organs help in struggle for survival
B
Size of organs Increase with ageing
C
Development of organs is due to will power
D
There should be some physical basis of inheritance
Question 28
LSD is
A
hallucinogenic
B
sedative
C
stimulant
D
tranquiliser
Question 29
Monoclonal antibodies are
A
obtained from a cell and act on one antigen
B
obtained from a group of cells and act on more than one antigens
C
obtained from a group of same type of cells and act on single antigen
D
obtained from a group of same type of cells and act on more than one antigens
Question 30
Which of these is most infectious disease?
A
Hepatitis-B
B
AIDS
C
Cough and cold
D
Malaria
Question 31
Embryo sac is
A
megaspore
B
microgametophyte
C
female gametophyte
D
megasporangium
Question 32
The type of immunoglobulin present in the foetus are
A
IgD
B
IgE
C
IgG
D
IgM
Question 33
For better survival of human Indian population, which is the most important step?
A
Afforestation
B
Reduction in population density
C
conservation of wild life including tribals
D
Both (a) and (c)
Question 34
Lcukaemia is caused by
A
Ca 40
B
Sr 90
C
caesium
D
iodine
Question 35
Rice wine is
A
beer
B
wine
C
cider
D
sake
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AIIMS UG Online Practice Test - Chimistry

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Question 1
The pH of the mixture obtained when equal volumes of N/10 NaOH and N/20 HCI are mixed, is
A
1.6
B
12.4
C
13.4
D
10.8
Question 2
0.037 g of an alcohol, R—OH was added to C2H5MgI and the gas evolved measured 11.2 cc at STP. The molecular mass of R-OH will be
A
47
B
79
C
77
D
74
Question 3
Consider the sequence of oxides: Na2O, SiO2, P4O10. Which factor decreases from Na2O to SiO2 and also from SiO2 to P4O10?
A
Covalent character
B
Melting point
C
pH when mixed with water
D
Solubility in aqueous alkali
Question 4
MnO4 is of intense pink colour, though Mn is in +7 oxidation state. It is due to
A
oxygen gwes colour to it
B
charge transfer when Mn gives its electron to oxygen
C
charge transfer when oxygen gives its electron to Mn making i Mn (+VI)
D
presence of unpaired electrons
Question 5
The Brownian motion is due to
A
temperature fluctuation within the liquid phase
B
attraction and repulsion between charges on the colloidal particles
C
impact of the molecules of the dispersion medium on the colloidal particles
D
convectional currents
Question 6
For a first-order reaction A-->B the plot of log {[A]t/1 M} versus t is linear with a
A
positive slope and zero intercept
B
positive slope and non zero intercept
C
negative slope and zero intercept
D
negative slope and non zero intercept
Question 7
If ethanol dissolves in water then which of the following would happen?
A
Absorption of heat and contraction of volume
B
liberation of heat and contraction of volume
C
Absorption of heat and Increase in volume
D
Liberation of heat and increase in volume
Question 8
The pH of 0.5 L of 1.0 M NaCI after the electrolysis for 965 s using 5.0 A current, is
A
1.0
B
12.7
C
13.0
D
1.30
Question 9
The potential of hydrogen electrode having a solution of pH = 4 at 25°C is
A
-0.177V
B
-0.236V
C
+0.177V
D
+0.236V
Question 10
The electronic configuration of actinides cannot be assigned with degree of certainty because of
A
small energy difference between 5f and 6d levels
B
overlapping of inner orbitals
C
free movement of electrons over all the orbitals
D
All of the above
Question 11
The IUPAC name ht tertiary butyl iodide is
A
4iodobutane
B
2-indoburane
C
1-iodo-3-methyl propane
D
2.iodo-2-methyl propane
Question 12
The correct order of decreasing acid strength of trichloroacetic acid (A) trifluoroacetic acid (B), benzoic acid (C) and formic acid (D) is
A
A>B>C>D
B
A>C>B>D
C
B>A>D>C
D
B>A>C>D
Question 13
Secondar structure of proteins refers to
A
mainly denatured proteins and structure of prosthetic group
B
three dimensional structure, especially the bond between amino acid residue that are distant from each other in the polypeptide chain
C
linear sequence of amino acid residues in the polypeptide chain
D
regular folding ,atterns of continuous portions of the polypeptide chain
Question 14
Which of the following is a biodegradable polymer?
A
Polythene
B
Bakelite
C
PHBV
D
PVC
Question 15
A radioactive substance 88X228 (IIA) emits 3α and 3β-particles to form ‘Y’. To which group of long form of the Periodic Table does ‘Y’ belong?
A
IVA
B
VA
C
VIA
D
VIIA
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AIIMS UG Online Practice Test - Physics

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Question 1
When a copper voltmeter is connected with a battery of emf 12 V. 2 g of copper is deposited in 30 mm. it the same voltmeter is connected across a 6 V battery then the mass of copper deposited in 45 mm would be
A
1g
B
1.5g
C
2g
D
2.5g
Question 2
When an ideal monoatomic gas is heated at consant pressure, fraction of heat energy supplied which increases the internal energy of gas, is
A
2/5
B
3/5
C
3/7
D
3/4
Question 3
A body of mass m rises to a height h = R/5 from the earth’s surface where R is earth’s radius. If g is acceleration due to gravity at the earth’s surface, the increase in potential energy will be
A
mgh
B
4/5 mgh
C
5/6 mgh
D
6/7 mgh
Question 4
The ratio of the dimensions of Planck’s constant and that of the moment of inertia is the dimensions of
A
frequency
B
velocity
C
angular momentum
D
time
Question 5
Application of a forward bias to a p-n junction
A
increases the number of donors on the n-side
B
increases the electric field in the depletion zone
C
increases the potential difference across the depletion zone
D
widens the depiction zone
Question 6
A fork A has frequency 2% more than the standard fork and B has a frequency 3% less than the frequency of same standard fork. The forks A and B when sounded together produced 6 beats/s. The frequency of fork A is
A
116.4 Hz
B
120 Hz
C
122.4 Hz
D
238.8 Hz
Question 7
A source of sound Sis moving with a velocity of 50 m/s towards a stationary observer. The observer measures the frequency of the source as 1000 Hz. What will be the apparent frequency of the source when it is moving away from the observer after crossing him? The velocity of the sound in the medium is 350 m/s.
A
750 Hz
B
857 Hz
C
1143 Hz
D
1333 Hz
Question 8
A ball of mass 1 g and charge 108C moves from a point A. Where potential is 600 V to the point B where potential is zero. Velocity of the ball at the point B is 20 cm/s. The velocity of the ball at the point A will be
A
22.8 cm/s
B
228cm/s
C
16.8 m/s
D
168 m/s
Question 9
A thin magnetic needle vibrates in the horizontal plane with a period of 4 s. The needle is cut into two halves by a plane normal to magnetic axis of the needle. Then the period of vibration of each half needle is approximately
A
4s
B
2s
C
8s
D
1s
Question 10
A rectangular coil of 20 turns and area of cross- section 25 cm2 has a resistance of 100Ω. If a magnetic field which is perpendicular to the plane of the coil changes at a rate of 1000 T/s, the current in the coil is
A
1.0A
B
50A
C
0.5A
D
5.0A
Question 11
An AC ammeter is used to measure current in a circuit. When a given direct current passes through the circuit, the AC ammeter reads 3 A. When another alternating current passes through the circuit, the AC ammeter reads 4 A. Then the reading of this ammeter, if DC and AC How through the circuit simultaneously, Is
A
3A
B
4A
C
7A
D
5A
Question 12
If two bulbs of wattages 25 and 100 W respectively each rated by 220 V are connected in series with the supply of 440 V, which bulb will fuse?
A
100 W bulb
B
25 W bulb
C
None of them
D
Both of them
Question 13
A square conducting loop of side length L carries a current l. The magnetic field at the centre of the loop is
A
independent of L
B
proportional to L2
C
inversely proportional to L
D
linearly proportional to L
Question 14
A 12 HP motor has to be operated 8 h/day. How much will it cost at the rate of 50 paise/kWh in 10 days?
A
Rs 350
B
Rs 358
C
Rs 375
D
Rs 397
Question 15
The freezer in a refrigerator is located at the top section so that
A
the entire chamber of the refrigerator is cooled quickly due to convection
B
the motor is not heated
C
the heat gained from the environment is high
D
the heat gained from the environment is low
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AIIMS UG Online Practice Test - General Knowledge

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Question 1
Which of the following professor received the Physics Nobel Prize for 2009 for his ‘ground breaking achievements concerning the transmission of light in fibers for optical communication?
A
Daniel Colladon
B
Charles Kuen Kao
C
Walter Gerlach
D
John Tyndall
Question 2
The Indian music composer, who got double Gramy Awards in Los Angeles on Feb 1, 2010, is
A
Ravi Shankar
B
Anu Malik
C
A. R. Rahman
D
Shankar Mahadevan
Question 3
India on Jan 11, successfully test fired the missile ‘Astra’ from its Integrated Test Range at Balasore. This missile works from
A
air to earth
B
earth to air
C
sea to air
D
air to air
Question 4
On which day is annual ‘Pravasi Bharatiya Divas’ celebrated to commemorate the day when Mahatma Gandhi returned from South Africa in 1915?
A
Jan 7
B
Jan 8
C
Jan 9
D
Jan 10
Question 5
‘Avatar’ has become the highest grossing movie of all time, surpassing the record made by ‘Titanic’. Who has directed both ‘Avatar’ and Titanic’?
A
Steven Spielberg
B
Danny Boyle
C
Roger Avary
D
James Cameron
Question 6
The United Nations (UN) has declared 2010 as the
A
International Year of Youth
B
International Year of Renewable Energy
C
International Year of Eco-Tourism
D
International Year of Bio-degradable Material
Question 7
Which of these cricketers hold the record to play international cricket for the longest time?
A
Sachin Tendulkar
B
Garry Sobers
C
Cohn Cowdrey
D
Wilfred Rhodes
Question 8
Who has been conferred the 2009 GD Birla Award for Scientific Research?
A
Anil Kakodkar
B
Mahindra Agrawal
C
Rajeev Motwani
D
Vainu Bappu
Question 9
Asia’s biggest Solar Power Plant has been recently unveiled at
A
Japan
B
Indonesia
C
Malaysia
D
Taiwan
Question 10
Kaiane Aldorino has been named winner of the 2009 Miss World Pageant, recently held in Johannesburg. She belongs to
A
South Africa
B
Venezuela
C
Gibraltar
D
Columbia
Question 11
Recently, which country suffered an earthquake which decimated its capital, killing millions of people?
A
Sumatra
B
Haiti
C
Japan
D
Sri Lanka
Question 12
The National Rural Employment Guarantee Act (NREGA) has been named after which famous national leader
A
Mahatma Gandhi
B
Rajeev Gandhi
C
Indira Gandhi
D
Jawahar Lai Nehru
Question 13
Who has won the National Snooker Championship, 2009?
A
Geet Sethi
B
Sourav Kothari
C
Pankaj Advani
D
Achok Shandilya
Question 14
Who has recently written the book ‘Idea of Justice’?
A
Montek Singh Ahiuwalia
B
Ama rtya Sen
C
Omkar Goswami
D
C Rangarajan
Question 15
On which date, is Hindi Day Celebrated?
A
Sep 5
B
Sep 10
C
Sep 14
D
Sep 20
Question 16
‘Mukhya Mantri Kanyadan Yojana’ is a scheme of which state given below?
A
Haryana
B
Gujarat
C
Uttar Pradesh
D
Madhya Pradesh
Question 17
The first woman battalion to the deployed along the international border belongs to
A
ITBP
B
BSF
C
Coast Guards
D
Assam Rifles
Question 18
Who among the following Es the most powerful woman of the world as per a recent list of Forbes?
A
Angela Markel
B
Cristina Fernandez
C
Christine Lagarde
D
Sofia Gandhi
Question 19
‘KONKAN’ is an annual exercise between the India and which of the following Navies?
A
France
B
UK
C
US
D
Israel
Question 20
What is the proposed venue of the 16th NAM Summit in 2012?
A
Cuba
B
Iran
C
Indonesia
D
India
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