Which form of matter is more stable at lower temperature?
A)
Solid
done
clear
B)
Liquid
done
clear
C)
Gas
done
clear
D)
Plasma
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following statements about colloids is incorrect?
A)
Colloids are heterogeneous in nature
done
clear
B)
Colloids do not show electrophoresis
done
clear
C)
Colloids exhibit Brownian movement
done
clear
D)
All of these
done
clear
E)
None of these
done
clear
View Answer play_arrow
A solution contains
of alcohol mixed wit
of water. Calculate the concentration of this solution by volume.
A)
3.22%
done
clear
B)
2.5%
done
clear
C)
25%
done
clear
D)
77.5%
done
clear
E)
None of these
done
clear
View Answer play_arrow
A 0.24 g sample of a compound of oxygen and boron was found by analysis to contain 0.096 g of boron and 0.144 g of oxygen. Calculate the percentage composition of the compound by mass.
A)
Boron : Oxygen = 40 : 60
done
clear
B)
Boron: Oxygen = 60 : 40
done
clear
C)
Boron : Oxygen = 30 : 70
done
clear
D)
Boron : Oxygen = 70 : 30
done
clear
E)
None of these
done
clear
View Answer play_arrow
Calculate the number of moles for 10 billion molecules of ammonia.
A)
done
clear
B)
done
clear
C)
done
clear
D)
done
clear
E)
None of these
done
clear
View Answer play_arrow
Find the mass of 0.5 mole of water molecules.
A)
16 g
done
clear
B)
7 g
done
clear
C)
18 g
done
clear
D)
5 g
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following statements is incorrect about anode rays?
A)
Anode rays consist of positively charged particles
done
clear
B)
The nature of anode rays depends upon the nature of the gas taken in discharge tube
done
clear
C)
Anode rays are deflected by the magnetic field in the same direction as that of cathode rays
done
clear
D)
Anode rays can produce mechanical effect
done
clear
E)
None of these
done
clear
View Answer play_arrow
On the basis of alpha particle scattering experiment, Rutherford proposed the nuclear model of an atom. According to this model:
A)
An atom consists of a positively charged sphere and electrons are embedded in that sphere
done
clear
B)
An atom consists of a positively charged sphere and mass is evenly spread over the atom
done
clear
C)
An atom consists of tiny positively charged nucleus surrounded by negatively charged electrons
done
clear
D)
An atom consists of very tiny particles concentrated in the nucleus
done
clear
E)
None of these
done
clear
View Answer play_arrow
Rutherford's alpha-particle experiment showed for the first time that atom has:
A)
Nucleus
done
clear
B)
electron
done
clear
C)
Proton
done
clear
D)
neutron
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which of the following is not found in air?
A)
Iodine
done
clear
B)
Carbon dioxide
done
clear
C)
Nitrogen
done
clear
D)
Argon
done
clear
E)
None of these
done
clear
View Answer play_arrow
A stone is dropped from the top of a tower and reaches ground in 4 seconds. Find the height of the tower.
A)
26 m
done
clear
B)
19.6 m
done
clear
C)
78.4 m
done
clear
D)
93.6 m
done
clear
E)
None of these
done
clear
View Answer play_arrow
Calculate the momentum of a toy car weighing 500 g and moving with a velocity of 20 m/s.
A)
10 kg m/s
done
clear
B)
20 kg m/s
done
clear
C)
30 kg m/s
done
clear
D)
40 kg m/s
done
clear
E)
None of these
done
clear
View Answer play_arrow
The velocity-time graph of a ball moving on the surface of a floor is given below:
Calculate the force acting on the ball, if mass of the ball is 200 g.
A)
0.5 N
done
clear
B)
1 N
done
clear
C)
1.5 N
done
clear
D)
2 N
done
clear
E)
None of these
done
clear
View Answer play_arrow
How much momentum will a dumb-bell of mass 10 kg transfer to a floor if it falls from a height of 80 cm? Take its downward acceleration to be
.
A)
30 kg m/s
done
clear
B)
40 kg m/s
done
clear
C)
20 kg m/s
done
clear
D)
25 kg m/s
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following statements is incorrect about universal gravitational constant 'G'?
A)
'G' does not depend on the medium between two bodies
done
clear
B)
'G' does not depend on the masses of the bodies
done
clear
C)
'G' does not depend on the distance between the bodies
done
clear
D)
SI unit of 'G' is N
done
clear
E)
None of these
done
clear
View Answer play_arrow
Two bodies weighing 50 kg and 10 kg kept at a distance 5 m apart. If the distance between them is increased by 5 m, then gravitational force between them:
A)
Will decreases by 25 %
done
clear
B)
Will decreases by 50 %
done
clear
C)
Will decreases by 75 %
done
clear
D)
Will increases by 25 %
done
clear
E)
None of these
done
clear
View Answer play_arrow
A car weighing 600 kg travels with 72 km/h stops at a distance of 50 m decelerating uniformly. What is the force exerted by the breaks?
A)
600 N
done
clear
B)
1200 N
done
clear
C)
1800 N
done
clear
D)
2400 N
done
clear
E)
None of these
done
clear
View Answer play_arrow
A body does 40 J works in 10 s. What is its power?
A)
2 watt
done
clear
B)
3 watt
done
clear
C)
4 watt
done
clear
D)
5 watt
done
clear
E)
None of these
done
clear
View Answer play_arrow
When we change feeble sound to loud sound we increase its:
A)
Frequency
done
clear
B)
amplitude
done
clear
C)
Velocity
done
clear
D)
wavelength
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following parts of ears receives sound vibrations and change them into nerve impulses?
A)
Eardrum
done
clear
B)
Pinna
done
clear
C)
Auditory nerve
done
clear
D)
Cochlea
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following organelles moves to the poles and forms spindle fibres at the time of cell division in animal cells?
A)
Vacuoles
done
clear
B)
Lysosomes
done
clear
C)
Centrioles
done
clear
D)
Golgi bodies
done
clear
E)
None of these
done
clear
View Answer play_arrow
In which one of the following cases the process of endosmosis occurs?
A)
When a living animal cell is kept in a hypotonic solution
done
clear
B)
When a living animal cell is kept in an isotonic solution
done
clear
C)
When a living animal cell is kept in a hypertonic solution
done
clear
D)
All of these
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which of the following tissues has dead cells?
A)
Parenchyma
done
clear
B)
Sclerenchyma
done
clear
C)
Collenchyma
done
clear
D)
epithelial tissue
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following is not a characteristics of epithelial tissues?
A)
The cells of epithelial tissues are tightly packed and form continuous sheets
done
clear
B)
There are large intercellular spaces between the epithelial cells
done
clear
C)
Blood vessels are absent in epithelial tissues
done
clear
D)
Epithelial tissues protect the underlying tissues
done
clear
E)
None of these
done
clear
View Answer play_arrow
Hydra belongs to which one of the following phyla?
A)
Platyhelminthes
done
clear
B)
Nematoda
done
clear
C)
Coelenterata
done
clear
D)
Porifera
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following is not a characteristic of phylum mollusca?
A)
They are diploblastic animals without true coelom
done
clear
B)
The body is bilaterally symmetrical
done
clear
C)
They live in terrestrial or aquatic habitat
done
clear
D)
Their body is often protected by a hard calcareous shell
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following is a degenerative disease?
A)
Osteoporosis
done
clear
B)
Kidney failure
done
clear
C)
Arthritis
done
clear
D)
All of these
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following can make you ill if you come in contact with an infected person?
A)
High blood pressure
done
clear
B)
Genetic abnormalities
done
clear
C)
Sneezing
done
clear
D)
Blood cancer
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which step is not involved in carbon-cycle?
A)
Photosynthesis
done
clear
B)
Transpiration
done
clear
C)
Respiration
done
clear
D)
Burning of fossil fuels
done
clear
E)
None of these
done
clear
View Answer play_arrow
Preventive and control measures adopted for the storage of grains include:
A)
Strict cleaning
done
clear
B)
proper disjoining
done
clear
C)
Fumigation
done
clear
D)
all of these
done
clear
E)
None of these
done
clear
View Answer play_arrow
A)
S is wife of Q
done
clear
B)
S is father of P
done
clear
C)
P is daughter of Q
done
clear
D)
Q is father of P
done
clear
E)
None of these
done
clear
View Answer play_arrow
A)
Mother
done
clear
B)
Grandmother
done
clear
C)
Father
done
clear
D)
Cannot be determined
done
clear
E)
None of these
done
clear
View Answer play_arrow
Nitin starts walking from a certain point towards North and after 2 km he takes left turn and moves on. After moving 1 km he again takes a left turn and walks 2 km to reach S. Find the distance of S from starting point.
A)
3 km
done
clear
B)
4 km
done
clear
C)
1 km
done
clear
D)
2 km
done
clear
E)
None of these
done
clear
View Answer play_arrow
In a certain code language 'you can dance' is written as 'ca ba ja', and 'dance was nice' is written as 'du ku ja'. What is the code for 'dance'?
A)
ja
done
clear
B)
du
done
clear
C)
ku
done
clear
D)
ba
done
clear
E)
None of these
done
clear
View Answer play_arrow
Find the wrong number in the series. 7, 28, 63, 124, 215, 342
A)
7
done
clear
B)
28
done
clear
C)
124
done
clear
D)
215
done
clear
E)
None of these
done
clear
View Answer play_arrow
Aeroplane is related to cockpit in the same way as train is related to:
A)
Wagon
done
clear
B)
Coach
done
clear
C)
Compartment
done
clear
D)
Engine
done
clear
E)
None of these
done
clear
View Answer play_arrow
Direction: Questions from 37 to 39 are based on the following information. (i) Five friends P, Q, R, S and T travelled to five different cities of Chennai, Kolkata, Delhi, Bangalore and Hyderabad by different modes of transport such as Bus, Train, Aeroplane, Car and Boat from Mumbai. (ii) The person who travelled to Delhi did not travel by boat. (iii) R went to Bangalore by car and G. went to Kolkata by aero plane. (iv) S travelled by boat whereas T travelled by train. (v) Mumbai is not connected by bus to Delhi and Chennai.
Which one of the following combinations of person and mode is not correct?
A)
P - Bus
done
clear
B)
Q - Aeroplane
done
clear
C)
R - Car
done
clear
D)
T - Aeroplane
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following combinations is true for S?
A)
Delhi - Bus
done
clear
B)
Chennai - Bus
done
clear
C)
Chennai - Boat
done
clear
D)
Data inadequate
done
clear
E)
None of these
done
clear
View Answer play_arrow
The person who travelled to Delhi used which of the following modes?
A)
Boat
done
clear
B)
Train
done
clear
C)
Aeroplane
done
clear
D)
Car
done
clear
E)
None of these
done
clear
View Answer play_arrow
Replace the question mark with correct number.
A)
21
done
clear
B)
31
done
clear
C)
10
done
clear
D)
11
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which of the following statements is correct? (i) Mass is the measure of inertia of a body. (ii) Newton's first law of motion defines inertia. (iii) Momentum is a scalar quantity. (iv) Impulse can be defined as the change in the momentum of a body.
A)
Only (i) and (ii)
done
clear
B)
Only (i) and (iv)
done
clear
C)
Only (i), (ii) and (iv)
done
clear
D)
All (i), (ii), (iii) and (iv)
done
clear
E)
None of these
done
clear
View Answer play_arrow
Find the incorrect matches from the following. (i) Copper (II) bromide (ii) Aluminum (III) nitrate (iii) Calcium (II) phosphate (iv) Iron (III) sulphide (v) Mercury (II) chloride (vi) Magnesium (II) acetate
A)
(i), (v), (vi)
done
clear
B)
(ii), (iii), (iv)
done
clear
C)
(i), (ii), (vi)
done
clear
D)
(ii), (iv), (vi)
done
clear
E)
None of these
done
clear
View Answer play_arrow
A stone is allowed to fall from the top of a tower 100 m high and at the same time another stone is projected vertically upwards from the ground with a velocity of 25 m/s. Calculate when and where the two stones meet. (take g =
)
A)
The two stones meet after 4 seconds from the start and at a height of 16 m above the ground
done
clear
B)
The two stones meet after 4 seconds from the start and at a height of 20 m above the ground
done
clear
C)
The two stones meet after 6 seconds from the start and at a height of 20 m above the ground
done
clear
D)
The two stones meet after 5 seconds from the start and at a height of 25 m above the ground
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following statements is correct? (i) Sound waves need material medium to propagate. (ii) Electromagnetic waves do not need material medium for their propagation. (iii) Mechanical waves can travel even through vacuum. (iv) Light waves are longitudinal waves in nature.
A)
(i) and (ii)
done
clear
B)
(ii), (iii) and (iv)
done
clear
C)
(iii) and (iv)
done
clear
D)
(i), (iii) and (iv)
done
clear
E)
None of these
done
clear
View Answer play_arrow
A)
A - II, B - I, C - IV, D - III
done
clear
B)
A - III, B - I, C - IV, D - II
done
clear
C)
A - IV, B - I, C - III, D - II
done
clear
D)
A - II, B - III, C - IV, D - II
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which of the following does not represent Bohr's model of an atom? (i) (ii) (iii) (iv)
A)
(i) and (ii)
done
clear
B)
(ii) and (iii)
done
clear
C)
(ii) and (iv)
done
clear
D)
(i) and (iv)
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which among the following has specialized tissue for conduction of water? (i) Thallophytic (ii) Bryophyte (iii) Pteridophyta (iv) Gymnosperms
A)
(i) and (ii)
done
clear
B)
(ii) and (iii)
done
clear
C)
(iii) and (iv)
done
clear
D)
(i) and (iv)
done
clear
E)
None of these
done
clear
View Answer play_arrow
Match the following.
(A) Potato (I) Panthera tigris (B) Tomato (II) Solanum lycopersicum (C) Tiger (III) Solanum tuberosum (D) Mango (IV) Panthera leo (E) Lion (V) Mangifera indica
A)
A - III, B - II, C - IV, D - V, E - I
done
clear
B)
A - II, B - III, C - I, D - V, E - IV
done
clear
C)
A - III, B - II, C - I, D - IV, E - V
done
clear
D)
A - III, B - II, C - I, D - V, E - IV
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which of the following is the characteristics of arthropoda? (i) The body is bilaterally symmetrical and segmented. (ii) The body cavity is a pseudocoelome. (iii) They have jointed appendages. (iv) They possess a hard exoskeleton made up of chitin. (v) They possess mouth but no anus.
A)
(i), (ii) and (v)
done
clear
B)
(i), (iii) and (iv)
done
clear
C)
(iii), (iv) and (v)
done
clear
D)
(ii), (iii) and (iv)
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which of the following are Indian cattle? (i) Bos indicus (ii) Bos domestica (iii) Bos bubalis (iv) Bos vulgaris
A)
(i) and (iii)
done
clear
B)
(i) and (ii)
done
clear
C)
(ii) and (iii)
done
clear
D)
(iii) and (iv)
done
clear
E)
None of these
done
clear
View Answer play_arrow