Why do gases have no fixed shape and volume?
A)
Because of large gap and weak intermolecular forces between constituent particles.
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B)
Because of strong intermolecular forces between the constituent particles.
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C)
Because of very low kinetic energy of constituent particles.
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D)
Because particles of gases are smaller than that of liquids and solid.
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E)
None of these
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The cathode rays are stream of fast moving:
A)
Electrons
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B)
Protons
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C)
Neutrons
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D)
Electrons and protons
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E)
None of these
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A bullet of mass 20 g moving with a speed of \[120\text{ }m/s\]hits a thick muddy wall and penetrates into it. It takes 0.03 s to stop in the wall. Find the distance covered by the bullet in the wall?
A)
2.6 m
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B)
3.6 m
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C)
1.8 m
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D)
0.9 m
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E)
None of these
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Which one of the following statements is correct about compound?
A)
Atoms of different elements may combine with each other in any ratio to form a compound.
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B)
Atoms of different elements can combine with one another in more than one ratio to produce more than one compound.
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C)
Two molecules of the same compound may have different composition of atoms.
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D)
The molecules of a compound cannot be divided into constituent atoms.
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E)
None of these
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Body of which of the following is asymmetrical?
A)
Amoeba
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B)
Starfish
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C)
Sponges
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D)
Both A and C
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E)
None of these
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Which among the following belongs to the group of pteridophyta?
A)
Algae
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B)
Lichens
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C)
Mosses
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D)
Ferns
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E)
None of these
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Which of the following is not a characteristic of pure substances?
A)
A pure substance contains only one type of particles.
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B)
A pure substance has definite composition.
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C)
A pure substance may be homogeneous or heterogeneous,
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D)
A pure substance has definite melting and boiling point.
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E)
None of these
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Which one of the following membrane-bound cell organelle is present in all prokaryotk cell?
A)
Golgi bodies
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B)
Plastids
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C)
Mitochondria
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D)
Endoplasmic reticulum
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E)
None of these
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According to Galileo's law of inertia what happens to the body which is in rest and no unbalanced force is exerted on the body?
A)
The body will remain in rest until an unbalanced force is applied to the body.
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B)
The body will start moving with a constant speed.
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C)
The body will accelerate uniformly.
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D)
The body will move in a straight line.
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E)
None of these
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When a bullet is fired from a gun, the amount of force exerted by the bullet on the gun is _______ the amount of force exerted by gun on the bullet.
A)
equal to
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B)
smaller than
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C)
Larger than
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D)
Both b and c
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E)
None of these
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Which one of the following statements best describes coagulation?
A)
Scattering of white light by colloidal particles
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B)
Movement of colloidal particles under the influence of electric field
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C)
The precipitation and settling down of the discharged colloidal particles
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D)
The zig-zag motion shown by colloidal particles in dispersion medium
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E)
None of these
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Which cell organelle has been shown in the figure given below?
A)
Chloroplast
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B)
Golgi body
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C)
Endoplasmic reticulum
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D)
Lysosome
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E)
None of these
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A stone is thrown in a vertically upward direction with a velocity of\[10\text{ }m/s\]. If the acceleration of the stone during its motion is \[10\text{ }m/{{s}^{2}}\]in the downward direction, what will be the height attained by the stone?
A)
2 m
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B)
5 m
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C)
3.5 m
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D)
1.25 m
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E)
None of these
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In which of the following media longitudinal waves cannot be produced?
A)
Solid
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B)
Liquid
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C)
Gas
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D)
All of these
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E)
None of these
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Which among the following animals belong to the phyla platyhelminthes?
A)
Jellyfish
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B)
Tapeworm
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C)
Sea anemone
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D)
Earthworm
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E)
None of these
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Which one of the following statements is incorrect about permanent tissues?
A)
The division and differentiation of the cells of meristematic tissues give rise to permanent tissues.
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B)
The cells of permanent tissues are unable to divide and they attain permanent shape, size and function.
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C)
Primary permanent tissues are derived from apical and intercalary meristems.
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D)
Secondary permanent tissues are derived from lateral meristems or cambium cells.
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E)
None of these
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Which one of the following processes is not involved in nitrogen cycle?
A)
Nitrogen assimilation
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B)
Ammonification
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C)
Nitrification
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D)
Denitrification
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E)
None of these
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A body of mass 12 kg is at a certain height above the ground. If the gravitational potential energy of the body is 480 J, find the height at which the body is with respect to the ground, (\[take\text{ }g=10\text{ }m/{{s}^{2}}\])
A)
1 m
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B)
2 m
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C)
3 m
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D)
4 m
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E)
None of these
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Which among the following vaccine is given to an infant for protection against tuberculosis?
A)
TT
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B)
BCG
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C)
DPT-1
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D)
DPT Booster
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E)
None of these
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A ball is dropped from the edge of a roof. It takes 1 s to cross a window of height 7.9 m. find the height of the roof above the top of the window.
A)
2.3 m
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B)
1.25 m
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C)
3.6 m
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D)
0.46 m
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E)
None of these
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The Earth attracts a body of mass 1 kg kept on its surface with a force of: (Mass of Earth\[6\times {{10}^{24}}\text{ }kg\], radius of Earth\[6.4\times {{10}^{6}}\text{ }m\]):
A)
\[1\text{ }N\]
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B)
\[6.67\times {{10}^{-11}}N\]
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C)
\[9.8\text{ }N\]
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D)
\[1/9.8\text{ }N\]
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E)
None of these
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Who among the following suggested that the symbols of elements be made of one or two letters of the name of the element?
A)
John Dalton
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B)
J.J. Berzelius
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C)
James Chadwick
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D)
Ernest Rutherford
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E)
None of these
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A man stands at a distance of 255 m from a cliff. He fires a gun and hears the echo after 1.5 seconds. Calculate the speed of sound in air.
A)
\[330\text{ }m/s\]
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B)
\[333\text{ }m/s\]
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C)
\[340\text{ }m/s\]
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D)
\[342\text{ }m/s\]
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E)
None of these
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What is the number of water molecules contained in a drop of water weighing 0.09 g?
A)
\[4.72\times {{10}^{21}}\]
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B)
\[2.021\times {{10}^{20}}\]
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C)
\[3.011\times {{10}^{21}}\]
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D)
\[3.001\times {{10}^{23}}\]
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E)
None of these
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A boy runs for 10 minutes at a uniform speed of 9 km/h. At what speed should he run for next 20 minutes so that the average speed comes to 18 km/h.
A)
13.5 km/h
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B)
14.5 km/h
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C)
22.5 km/h
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D)
12.5 km/h
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E)
None of these
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A player kicks a football of mass 250 g placed at the centre of a field. The football leaves his foot with a speed of \[16\text{ }m/s\].Find the work done by the player on the ball.
A)
4 J
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B)
8 J
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C)
32 J
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D)
16 J
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E)
None of these
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Copper consists of two isotopes : \[{}^{63}Cu\] (relative abundance 69%) and \[{}^{65}Cu\](relative abundance 31%). Calculate the relative atomic mass of copper.
A)
58.8
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B)
63.62
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C)
60.12
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D)
69.63
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E)
None of these
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Which two crops are not grown together in mixed cropping?
A)
Wheat and chickpea
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B)
Wheat and paddy
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C)
Barley and chickpea
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D)
Sorghum and pigeonpea
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E)
None of these
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A man with a box on his head is climbing up a ladder. The work done by the man on the box is:
A)
Positive
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B)
Negative
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C)
Zero
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D)
Undefined
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E)
None of these
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Two bodies of masses 1 kg and 2 kg respectively are placed at a separation of 1 m. Find the acceleration produced in 1 kg body due to gravitational force exerted by 2 kg body.
A)
\[1.334\times {{10}^{-10}}\text{ }m/{{s}^{2}}\]
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B)
\[6.672\times {{10}^{-11}}\text{ }m/{{s}^{2}}\]
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C)
\[6.673\times {{10}^{-13}}\text{ }m/{{s}^{2}}\]
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D)
\[1.331\times {{10}^{-11}}\text{ }m/{{s}^{2}}\]
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E)
None of these
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Find the next term in the series given below. D2, l3, N6, S18?
A)
V72
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B)
W36
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C)
Y90
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D)
X108
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E)
None of these
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Find the missing number in place of the question mark(?).
9 18 33 8 21 28 12 15 41 13 18 ?
A)
35
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B)
64
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C)
54
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D)
45
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E)
None of these
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Six persons are sitting in a circle facing the centre of the circle. Parikh is between Babita and Narinder. Asha is between Chitra and Pankaj. Chitra is immediate left to Babita. Who among the following is immediate right to Babita?
A)
Parikh
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B)
Narinder
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C)
Chitra
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D)
Pankaj
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E)
None of these
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Which one of the following pairs does not match in the group?
A)
WHITE - IWEHT
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B)
BLACK - ABKLC
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C)
TYPES - PTSYE
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D)
ABOUT - OATUB
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E)
None of these
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Direction for questions 35 and 36: Examine the/allowing relationships among members of a family of six persons- A, B, C, D, E and F. i. The number of males equals that of female. ii. A and E are sons of F. iii. D is the mother of two, one boy and one girl. iv. B is the son of A. v. There is one married couple in the family at present.
Which one of the following inferences can be drawn from the above given information?
A)
A, B and C are females.
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B)
A is the husband of D.
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C)
D is the granddaughter of F.
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D)
E and Fare children of D.
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E)
None of these
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Direction for questions: Examine the/allowing relationships among members of a family of six persons- A, B, C, D, E and F. i. The number of males equals that of female. ii. A and E are sons of F. iii. D is the mother of two, one boy and one girl. iv. B is the son of A. v. There is one married couple in the family at present.
How C is related to F?
A)
Son
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B)
Daughter
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C)
Grandson
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D)
Granddaughter
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E)
None of these
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Directions for questions 37 and 38: Six people A B C D E and F are sitting on the ground in a hexagonal shape. All the sides of hexagon so formed are of same length. A is not adjacent to B or C D is not adjacent to C or E B and C are adjacent F is in the middle of D and C.
Which of the following is not a correct neighbor pair?
A)
A and F
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B)
D and F
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C)
B and E
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D)
C and F
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E)
None of these
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Directions for questions : Six people A B C D E and F are sitting on the ground in a hexagonal shape. All the sides of hexagon so formed are of same length. A is not adjacent to B or C D is not adjacent to C or E B and C are adjacent F is in the middle of D and C.
Who is at same distance from D as E is from D?
A)
A
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B)
F
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C)
C
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D)
B
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E)
None of these
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Find the next term in the series given below. YEB, WFD, UHG, SKI?
A)
QOL
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B)
QGL
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C)
TOL
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D)
QNL
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E)
None of these
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Find the missing number in place of the question mark(?).
A)
64
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B)
75
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C)
55
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D)
73
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E)
None of these
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Which combination of statements is correct? i. A pure substance is made up of only one kind of particles (atoms or molecules). ii. The intermixing of particles of two different types of matter on their own is called diffusion. iii. The force of cohesion is different between constituent particles of different kind of matter. iv. The force of attraction between constituent particles of nail is very weak as compared to that of chalk. v. Higher the melting point of a solid substance, lesser will be the force of attraction between its particles.
A)
i, ii and iii
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B)
i, ii, iii and iv
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C)
ii, iii and iv
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D)
iii, iv and v
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E)
None of these
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Match the following.
A. Linear momentum I \[N\,\,{{m}^{2}}/k{{g}^{2}}\] B. Gravitational constant II \[m/{{s}^{2}}\] C. Acceleration due to gravity III \[kg\,\,m/s\] D. Weight IV \[N\,\,s\] E. Impulse V \[N\]
A)
A\[\to \]III, B\[\to \]I, C\[\to \]II, D\[\to \]V, E\[\to \]IV
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B)
A\[\to \]I, B\[\to \]III, C\[\to \]II, D\[\to \]V, E\[\to \]IV
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C)
A\[\to \]I, B\[\to \]II, C\[\to \]V, D\[\to \]II, E\[\to \]IV
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D)
A\[\to \]V, B\[\to \]III, C\[\to \]II, D\[\to \]IV, E\[\to \]I
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E)
None of these
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Which combination of statements is correct? i. Cancer is an acute disease. ii. Elephantiasis is a chronic disease. iii. All chronic disease are communicable. iv. Communicable disease are caused by some biological agents or micro-organisms. v. Some non-communicable diseases are degenerative diseases.
A)
i, ii and iii
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B)
ii, iii, and v
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C)
ii, iv and v
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D)
i, iv and v
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E)
None of these
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Fill in the blanks with the correct combination of terms. If a car weighing \[\underline{\,\,\,\,\,P\,\,\,\,\,\,}\] and moving with a velocity of \[\underline{\,\,\,\,\,Q\,\,\,\,\,\,}\] is stopped in \[\underline{\,\,\,\,\,R\,\,\,\,\,\,}\] on applying brakes then the magnitude of retarding force will be\[\underline{\,\,\,\,\,S\,\,\,\,\,\,}\].
A)
\[P-2400\text{ }kg,\] \[Q-10\text{ }m/s,\] \[R-10\text{ }s,\] \[S-4800\text{ }N\]
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B)
\[P-2400\text{ }kg,\] \[Q-20\text{ }m/s,\] \[R-6\text{ }s,\]\[S-4800\text{ }N\]
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C)
\[P-1200\text{ }kg,\] \[Q-20\text{ }m/s,\] \[R-10\text{ }s,\]\[S-4800\text{ }N\]
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D)
\[P-2400\text{ }kg,\] \[Q-20\text{ }m/s,\] \[R-10\text{ }s,\]\[S-4800\text{ }N\]
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E)
None of these
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Which combination of statements is correct? i. Nuclear membrane is a double membrane structure and it contains many pores. ii. Nucleoplasm is a transparent semi-fluid which does not contain any enzyme. iii. The nucleus controls cell metabolism and other activities of the cell. iv. Functional segments of MA are called chromatin network. v. Nucleolus is bound by a double membrane structure inside a nucleus.
A)
i, ii and iii
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B)
ii, iii and iv
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C)
iii, iv and v
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D)
i and iii
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E)
None of these
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Which combination of statements is correct? i. Lymph contains white blood corpuscles called leucocytes. ii. Adipose tissue is a fat storing tissue. iii. A cartilage has fluid filled spaces called lacunae in which cartilage cells are present. iv. Areolar connective tissue binds the skin with muscles. v. Adipose tissue is found only inside the bones.
A)
ii, iv and v
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B)
ii, iii, iv and v
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C)
i, ii, iii and iv
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D)
ii, iii and v
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E)
None of these
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Match the following.
A. Percentage of calcium in \[CaC{{O}_{3}}\] (I) 35.37% B. Percentage of sulphur in \[{{H}_{2}}S{{O}_{4}}\] (II) 40% C. Percentage of oxygen in \[A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\] (III) 56.14% D. Percentage of chromium in \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] (IV) 32.65%
A)
A\[\to \]II, B\[\to \]IV, C\[\to \]III, D\[\to \]I
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B)
A\[\to \]II, B\[\to \]I, C\[\to \]III, D\[\to \]IV
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C)
A\[\to \]III, B\[\to \]IV, C\[\to \]II, D\[\to \]I
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D)
A\[\to \]II, B\[\to \]III, C\[\to \]IV, D\[\to \]I
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E)
None of these
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A ball is thrown upwards with some initial speed. It goes up to a height: of 19.6 m and then returns. If initial, speed of the ball is P, Q is the time taken to reach the highest point after throw, R is the velocity of the ball one second before it reaches the maximum height and S is the time taken by the ball to return to its original position after throw, then which of the following options is correct for P, Q, R and S?
A)
\[P-19.6\text{ }m/s,\text{ }Q-3\text{ }s,\text{ }R-9.8\text{ }m/s,\text{ }S-4\text{ }s\]
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B)
\[P-9.8\text{ }m/s,Q-1.5\text{ }s,\text{ }R-9.8\text{ }m/s,S-3\text{ }s\]
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C)
\[P-19.6\text{ }m/s,Q-2\text{ }s,\text{ }R-19.6\text{ }m/s,S-4\text{ }s\]
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D)
\[P-19.6\text{ }m/s,Q-2\text{ }s,\text{ }R-9.8\text{ }m/s,S-4\text{ }s\]
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E)
None of these
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Which combination of statements is correct regarding Bohr's model of atom? i. Electrons revolve around the nucleus in highly elliptical orbit. ii. Electrons revolve around the nucleus only in certain permissible orbits and not in other orbits. iii. When an electron revolves in its discrete fixed energy shell, it loses some energy after every revolution. iv. Electrons in different orbits have different energies. v. When an electron jumps from a lower energy level to a higher energy level, it absorbs energy.
A)
i, iv and v
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B)
ii, iv and v
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C)
ii, iii and iv
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D)
iii, iv and v
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E)
None of these
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Fill in the blanks with the correct combination of terms. The organism belonging to the phylum nematode are mostly\[\underline{\,\,\,\,\,L\,\,\,\,\,}\]. They are \[\underline{\,\,\,\,\,M\,\,\,\,\,}\] animals and their body cavity is a\[\underline{\,\,\,\,\,N\,\,\,\,\,}\]. Their body have 0 level of organisation. Ascaris and \[\underline{\,\,\,\,\,P\,\,\,\,\,}\] are examples of this phyla.
A)
L-parasites, M-triploblastic, N-pseudo coelom, O- tissue, P-enterobius
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B)
L-autotrophes, M-diploblastic, N-pseudo coelom, O-tissue, P-enterobius
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C)
L-parasites, M-triploblastic, N-true coelom, O- organ, P-enterobius
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D)
L-parasites, M-diploblastic, N-pseudocoelom, O- cellular, P-obelia
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E)
None of these
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