Why do solids have fixed shape and volume?
A)
Because of large gap between the constituent particles.
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B)
Because of strong intermolecular forces between the constituent particles.
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C)
Because of high kinetic energy of constituent particles.
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D)
Because particles of solids are smaller than that of liquids and gas.
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E)
None of these
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The acceleration produced in the Earth due to gravitational pull of Moon is ________ the acceleration produced in Moon due to gravitational pull of the Earth.
A)
Smaller than
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B)
larger than
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C)
Equal to
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D)
All of these
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E)
None of these
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A racing car has a uniform acceleration of\[5\text{ }m/{{s}^{2}}\]. What distance will it cover in 20 s after starting from rest?
A)
1 km
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B)
2 km
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C)
3 km
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D)
4 km
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E)
None of these
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Planaria belongs to which of the following phyla?
A)
Nematoda
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B)
Annelida
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C)
Platyhelminthes
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D)
Arthropoda
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E)
None of these
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Hydrogen and oxygen combine in the ratio 1: 8 by mass to form water. What mass of oxygen gas would be required to react completely with 8 g of hydrogen gas?
A)
16 g
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B)
24 g
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C)
32 g
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D)
64 g
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E)
None of these
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A stone is dropped from a point 3:30:32 p.m. (hour: minute: second). Another stone is dropped from the same point at 3:30:34 p.m. Find the separation between the stones at 3:30:35 p.m.
A)
50 m
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B)
39.2 m
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C)
100 m
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D)
48 m
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E)
None of these
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Which fundamental particle is not present in the normal hydrogen atom?
A)
Electron
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B)
Proton
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C)
Neutron
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D)
All of these
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E)
None of these
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Which letter in the figure given below represents thylakoid?
A)
L
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B)
M
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C)
N
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D)
O
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E)
None of these
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A car of mass 1200 kg is moving along a straight line with a uniform velocity of 18 km/h. Its velocity increases to 90 km/h in 4 s by an unbalanced external force. Find the magnitude of the force.
A)
2000 N
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B)
3000 N
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C)
4000 N
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D)
6000 N
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E)
None of these
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Which one of the following is not a connective tissue?
A)
Blood
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B)
Lymph
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C)
Tendon
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D)
Ligament
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E)
None of these
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Which among the following is the most dangerous for ozone layer?
A)
Chlorine
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B)
Fluorine
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C)
Hydrogen
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D)
Chlorofluorocarbon
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E)
None of these
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Which of the following is not a characteristic of the class annelida?
A)
They are triploblastic animals.
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B)
They do not contain true coelom.
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C)
Their body is bilaterally symmetrical.
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D)
They have organ level of organisation.
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E)
None of these
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Which one of the following statements best describes electrophoresis?
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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The frequency of a source is 20 kHz. The frequencies of the sound waves produced by it in water and air will:
A)
Be same as that of the source
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B)
Depend upon the velocity of the waves in these media
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C)
Depend upon the wavelength of the waves in these media
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D)
Depend on the density of the media
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E)
None of these
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An observer standing between two cliffs blows a whistle and hears two successive echoes at 2 s and 3 s. Calculate the distance between the cliffs (speed of sound in air\[=\text{ }340\text{ }m/s\]):
A)
600 m
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B)
850 m
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C)
980 m
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D)
750 m
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E)
None of these
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Which two conditions are essential for work to be done according to the concept of work in physics? Condition 1: A force should act on a object. Condition 2: The object should be displaced. Condition 3. The object should be displaced only in horizontal direction. Condition 4. The magnitude of the force must be more than 1 N.
A)
Conditions 1 and 2
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B)
Conditions 1 and 3
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C)
Conditions 1 and 4
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D)
Conditions 2 and 4
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E)
None of these
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4900 J of work was done in lifting a body of 50 kg mass. Calculate the height through which this body is raised.
A)
5 m
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B)
2 m
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C)
8 m
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D)
10 m
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E)
None of these
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Which phloem element is not living?
A)
Sieve tubes
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B)
Phloem fibres
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C)
Companion cells
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D)
Phloem parenchyma
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E)
None of these
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Which one of the following statements is correct about HIV transmission?
A)
It can be transmitted from an infected person to a healthy person through air and water.
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B)
It can be transmitted from an infected person to a healthy person through mosquito bite.
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C)
It can be transmitted from an infected person to a healthy person, if a healthy person hugs an infected person.
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D)
It can be transmitted from an infected mother to baby by breast feeding.
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E)
None of these
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The mass of \[3.011\times {{10}^{23}}\]molecules of chlorine is:
A)
Less than 36 g
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B)
Between 7 g and 20 g
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C)
Exactly 78 g
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D)
More than 40 g
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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 law of chemical combination says that in a chemical reaction, total mass of the products is equal to the total mass of reactants?
A)
Law of constant proportion
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B)
Law of multiple proportion
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C)
Law of conservation of mass
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D)
Law of reciprocal proportions
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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 12 km/h.
A)
13.5 km/h
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B)
14.5 km/h
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C)
15 km/h
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D)
12.5 km/h
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E)
None of these
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Which of the following is included in thallophyta?
A)
Mosses
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B)
Liverworts
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C)
Spirogyra
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D)
Hornworts
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E)
None of these
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A force acting on a 2 kg body produces an acceleration of\[2.5\text{ }m/{{s}^{2}}\]. Another force \[{{F}_{2}}\] acting on a 5 kg body produces an acceleration of\[2\text{ }m/\text{ }{{s}^{2}}\]. Find the ratio\[{{F}_{2}}/{{F}_{1}}\]?
A)
1
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B)
2
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C)
3
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D)
4
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E)
None of these
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The number of electrons present in M shell of a chlorine atom is:
A)
8
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B)
7
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C)
2
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D)
18
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E)
None of these
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A 1 kg ball is thrown up with a speed of\[9.9\text{ }m\text{/}s\]. Calculate the work done by its weight in one second.
A)
\[-\text{ }49\text{ }J\]
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B)
\[-\text{ }47\text{ }J\]
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C)
\[-\text{ }41\text{ }J\]
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D)
\[-\text{ }39\text{ }J\]
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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 mustard
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B)
Wheat and paddy
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C)
Barley and chickpea
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D)
Groundnut and sunflower
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E)
None of these
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Which one of the following statements is incorrect?
A)
If a force acting on a body of mass 1 kg produces an acceleration of \[1\text{ }m/{{s}^{2}}\]in it, the force is called one newton.
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B)
The net force acting on a body is equal to the change in its momentum per unit time.
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C)
According to law of inertia, when no unbalanced force is exerted on a body, it stays at rest or moves in a straight line with constant speed
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D)
Momentum is a vector quantity.
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E)
None of these
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Calculate the force of gravitation due to the Earth on a man weighing 100 kg standing on the ground (mass of the Earth\[=\text{ }6\times {{10}^{24}}\text{ }kg\], radius of the Earth\[=\text{ }6.4\times {{10}^{3}}\,\,km\]).
A)
850 N
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B)
1000 N
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C)
1230 N
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D)
1524 N
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E)
None of these
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Complete the series given below. 1, 1, 2, 6, 24, ?, 720
A)
100
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B)
104
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C)
108
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D)
120
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E)
None of these
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Which term comes next in the series given it below? YEB, WFD, UHF, SKH, ?
A)
QOJ
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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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If code of 'RLMNA' = 'VOPQE', then find the code for 'FPQRL'.
A)
JSTUP
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B)
PUTSJ
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C)
STJUP
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D)
STJPU
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E)
None of these
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Kalyani is the mother-in-law of Veena who is the sister-in-law of Ashok. Dheeraj is the father of Sudeep, the only brother of Ashok. How is Kalyani related to Ashok?
A)
Cousin
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B)
Wife
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C)
Mother-in-law
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D)
Aunt
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E)
None of these
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Six persons A, B, C, D, E and F are standing in a circle. B is between D and C. A is between E and C. F is to the right of D. Who is between A and F?
A)
B
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B)
C
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C)
D
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D)
E
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E)
None of these
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Directions (Questions 36 to 38): These questions are based on the/allowing information: Seven villages A, B, C, D, E, F and G are situated as follows: E is 2 km to the West of B. F is 2 km to the North of A. C is 1 km to the West of A. D is 2 km to the South of G. G is 2 km to the East of C. D is exactly in the middle of B and E.
A is in the middle of :
A)
E and C
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B)
E and G
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C)
F and G
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D)
G and C
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E)
None of these
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Directions (Questions 36 to 38): These questions are based on the/allowing information: Seven villages A, B, C, D, E, F and G are situated as follows: E is 2 km to the West of B. F is 2 km to the North of A. C is 1 km to the West of A. D is 2 km to the South of G. G is 2 km to the East of C. D is exactly in the middle of B and E.
Which two villages are the farthest from one another?
A)
D and C
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B)
F and E
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C)
F and B
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D)
G and E
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E)
None of these
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Directions (Questions 36 to 38): These questions are based on the/allowing information: Seven villages A, B, C, D, E, F and G are situated as follows: E is 2 km to the West of B. F is 2 km to the North of A. C is 1 km to the West of A. D is 2 km to the South of G. G is 2 km to the East of C. D is exactly in the middle of B and E.
How far is E from F?
A)
1 km
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B)
2 km
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C)
3 km
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D)
4 km
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E)
None of these
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A set of figures carrying certain numbers is given. Assuming that the numbers in each figure are following a similar pattern, then the missing number is:
A)
19
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B)
23
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C)
25
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D)
31
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E)
None of these
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Find the missing number in place of the question mark(?).
A)
17
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B)
20
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C)
25
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D)
27
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E)
None of these
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Which one of the following statements is correct? (i). The area under the velocity-time graph of a body gives its acceleration. (ii). The slope of the velocity-time graph gives the acceleration for a body moving along a straight line. (iii). When the acceleration is uniform, the velocity-time graph is a straight line. (iv). Distance-time graph of a moving body tells us the nature of motion of the body. (v.) Using distance-time graph, we cannot determine the position of a moving body at any particular point of time.
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)
ii, iv and v
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E)
None of these
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Match the following.
Atom Electronic configuration A. Lithium I. 2, 8, 4 B. Fluorine II. 2, 8, 7 C. Silicon III. 2, 7 D. Chlorine IV. 2, 8, 8, 1 E. Potassium V. 2, 1
A)
A - V, B - III, C - I, D - II, E - IV
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B)
A - V, B - II, C - I, D - III, E - IV
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C)
A - I, B - III, C - V, D - II, E - IV
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D)
A - V, B - III, C - IV, D - II, E - I
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E)
None of these
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Which combination of words is correct to complete the table below?
A)
P-Meristematic, Q-Permanent, R-Complex, S-Xylem, T-Parenchyma
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B)
P- Meristematic, Q-Complex, R-Permanent, S-Parenchyma, T-Xylem
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C)
P-Permanent, Q-Meristematic, R-Complex, S-Parenchyma, T-Xylem
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D)
P-Meristematic, Q-Permanent, R-Complex, S- Parenchyma, T- Xylem
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E)
None of these
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Fill in the blanks with the correct combination of terms. The magnitude of force of gravitation between a man weighing \[\underline{\,\,\,\,\,\,P\,\,\,\,\,\,}\] and a women weighing \[\underline{\,\,\,\,\,\,Q\,\,\,\,\,\,}\] standing \[\underline{\,\,\,\,\,\,R\,\,\,\,\,\,}\] apart is\[\underline{\,\,\,\,\,\,S\,\,\,\,\,\,}\] .
A)
\[P-80\text{ }kg,\] \[Q-60\text{ }kg,\] \[R-2\text{ }metres,\]\[S-2.04\times {{10}^{-12}}N\]
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B)
\[P-80\text{ }kg,\] \[Q-60\text{ }kg,\] \[R-50\text{ }metres,\]\[S-8.004\times {{10}^{-8}}N\]
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C)
\[P-80\text{ }kg,\] \[Q-60\text{ }kg,\] \[R-2\text{ }metres,\]\[S-8.004\times {{10}^{-8}}N\]
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D)
\[P-120\text{ }kg,\] \[Q-1000\text{ }kg,\] \[R-2\text{ }metres,\]\[S-8.004\times {{10}^{-8}}N\]
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E)
None of these
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Which one of the following statements is correct? i. Cathode rays cannot be deflected by an electric field. ii. Cathode rays can be deflected by a magnetic field. iii. Cathode rays produce X-rays on striking metal targets. iv. Cathode rays produce fluorescence. v. When cathode rays are allowed to fall on an object, the object acquires positive charge.
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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Three balls P, Q and R are kept in a straight line. The separation between P and R is 1 m, and Q is placed at the midpoint between them. The masses of P, Q, and R are 200 g, 300 g and 400 g, respectively. Find the net gravitational force on P (due to Q and R), Q (due to P and R) and R (due to P and Q), respectively.
A)
\[KMn{{O}_{4}}\]
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B)
\[4.80\times {{10}^{-11}}N,\text{ 3}.73\times {{10}^{-11}}N,\text{ 8}.28\times {{10}^{-13}}N\]
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C)
\[5.20\times {{10}^{-12}}N,\text{ 7}.63\times {{10}^{-11}}N,\text{ 6}.23\times {{10}^{-11}}N\]
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D)
\[2.13\times {{10}^{-11}}N,\text{ 4}.80\times {{10}^{-11}}N,\text{ 6}.52\times {{10}^{-12}}N\]
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E)
None of these
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Which one of the following statements is correct? i. All micro-organisms are prokaryotes. ii. Prokaryotes are more ancient than eukaryotes. iii. Neither DNA nor RNA is found in prokaryotes. iv. Prokaryotes lack membrane-bound organelle like mitochondria and plastids. v. Prokaryotic cells cannot divide by simple fission.
A)
ii and iv
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B)
ii, iii and iv
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C)
i, iv and v
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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. Hydrogen in \[{{H}_{2}}O\] (I) 38.1% B. Oxygen in \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] (II) 15.8% C. Potassium in \[KMn{{O}_{4}}\] (III) 11.11% D. Aluminum in \[A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\] (IV) 24.68%
A)
A - II, B - I, C - II, D - IV
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B)
A - III, B - I, C - IV, D - II
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C)
A - III, B - II, C - IV, D - I
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D)
A - II, B - III, C - IV, D - I
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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 \[\underline{\,\,\,\,\,O\,\,\,\,\,}\] level of organisation. Ascaris and \[\underline{\,\,\,\,\,P\,\,\,\,\,}\] are examples of this phylum.
A)
L-parasites, M-triploblastic, N-pseudocoelom, O-tissue, P-enterobius
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B)
L-autotrophes, M-diploblastic, N-pseudocoelom, O-tissue, P-enterobius
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C)
L-parasites, M-triploblastic, N-true coelome, 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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Which one of the following statements is correct? i. Cancer is an acute disease. ii. Elephantiasis is a chronic disease. iii. All chronic diseases are communicable. iv. Communicable diseases are caused by some biological agents or micro-organisms. v. Degenerative diseases are non-communicable 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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