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Today Date:- 2023-02-03

Exam Link:- https://www.projectofplanets.com/qsm_quiz/bsc-csit-entrance-exam-questions-and-answers/

First 25 Questios is of **Mathematics(25*1)**

Second 25 Questions is of **English(25*1)**

Third 25 Questions is of **Physics(25*1)**

Fourth 25 Questions is of **Chemistry(25*1)**

1.
0
4
2
-2

If f(x)=$\sqrt{4-{x}^{2}}$ then f(2) is

2.
{2,2}
{-2,2}
(-2,2)
[-2,2]

If |x|=2 then the solution set is

3.
B
A
empty set
C

If A, B and C are non-empty sets and A⊂B then A∩B is

4.
1
0
2
-1

The smallest prime number is

5.
Y axis
X axis
both axes
origin

The curve ${y}^{2}$=4x is symmetric about

6.
8
7
13
-7

The value of x for $X={\sum }_{i=1}^{2}\left({x}_{i}-4\right)=13$ is

7.
Symmetrical
Skew symmetric
diagonal
unit

The matrix $A=\left(\begin{array}{cc}1& -3\\ 3& 2\end{array}\right)$ is

8.
8
7
13
-7

The value of $\left|\begin{array}{ccc}0& 1& 2\\ 0& 1& 2\\ 1& 2& 3\end{array}\right|$ is

9.
0
1
2
3

The value of $(1-\omega )\left(1-{\omega }^{2}\right)$, where ω is the cube root of a complex number is

10.
13
5
1
-13

The magnitude of 2-3i is

11.
${x}^{2}-3x+2=0$
${x}^{2}+3x+2=0$
${x}^{2}+x+2=0$
${x}^{2}+3x+1=0$

1 and 2 are the roots of

12.
0
1
-1
$\sqrt{3}$

The value of $\tan({\tanh}^{-1}\left(1\right))$ is

13.
$2n\pi $
$\frac{\pi }{3}$
$2n\pi \pm \frac{\pi }{3}$
$2n\pi +\frac{\pi }{3}$

The solution of $\cos\left(x\right)=\frac{1}{2}$ is

14.
$\frac{1}{\sqrt{2}}$
2
$-\frac{1}{\sqrt{2}}$
-2

The length of the perpendicular from (0,0) to the line x+y+1=0 is

15.
${5}^{◦}$
${45}^{◦}$
${135}^{◦}$
${90}^{◦}$

The angle between the line $2{x}^{2}+xy-2{y}^{2}=0$ is

16.
(1,2)
(0,0)
(2,1)
(2,2)

Centre of the circle ${x}^{2}+{y}^{2}-2x-4y+1=0$ is

17.
x+y=10
x+2y=10
2x+3y=10
2x+y=10

Equation of tangent of the circle ${x}^{2}+{y}^{2}=10$ at (2,3) is

18.
12
6
9
0/0

$\underset{x\to 0}{\lim}\frac{{x}^{3}-{2}^{3}}{x-2}$ is

19.
6
5
0
0/0

$\underset{x\to 0}{\lim}\frac{\tan(x)-5x}{x}$ is equal to

20.
x=0
x=2
x=-2
x=1

The function $f(x)=\{x+2(x>=2) and 2x(x<2)\}$ is continious at

21.
0
-1
2
5

If the derivative of ${x}^{2}+3x$ is 1, the value of x is

22.
t
1/t
2t
0

If x=2t+1 and y=${t}^{2}$, then dy/dt is

23.
0
1
6
-1

The point of inflection for the curve ${x}^{3}+4x$ is

24.
0
1
-1
2

$2\int _{0}^{1}xdx$ is equal to

25.
sinx
$-\frac{\cos\left(x\right)}{2}$
$\sin\left(\frac{2x}{2}\right)$
2sin(2x)

$\int \cos\left(x\right)dx$ is equal to

26.
although
in spite of
as it
despite

____________ his project was not completed, he was given permission to leave.

27.
but also
both
as well as
not only

Rajendra is_______hard working and friendly.

28.
have come
has come
is coming
was coming

More than one hundred people.................to the meeting.

29.
as well as
and also
and
with

Mr. Thakuri speaks both Nepali............Maithili very perfectly

30.
discussion
discussing
to discuss
discusing

30. Reading, observing, teaching and.......................... good ways to gain knowledge.

31.
an
a
the
no article

The river Narayani flow through..............Narayanghat.

32.
with
for
about
of

In recent years people have been more concerned................... quality of drinking water.

33.
by; for
by; with
in ; for
with; for

She was killed................ a robber.......... A gun.

34.
has
have
was
has been

The fear of rape and robbing..........caused many people run away from the cities.

35.
cutting
to cut
to be cut
both a and b

The grass needs.........

36.
at
by
from
in

................. this evidence, I know, he is in the right.

37.
at
about
in
to

I object..............your propos

38.
about
over
among
out

I have worked.............the answer.

39.
history
athlete
artist
success

Which word doesn't take................. is suffix?

40.
spectacular
marvel
comparable
fancy

Which of the following is a verb?

41.
provided
poisonous
protected
detected

Which of the following does not take a prefix?

42.
will come
would come
could come
comes

We shall finish the work before he...........

43.
is
was
has been
have been

The memoranda......................... approved.

44.
scissors
tweezers
forceps
pincers

Which is incorrect?

45.
amnesia
insomnia
anemia
epicurean

Lack of blood is ...................

46.
lawyer
cosmopolitan
veteran
teacher

A well experienced person is..............

47.
that
if
when
why

The doubt.............Gita will come.

48.
adverb
adjective
preposition
demostrative adjective

They walk very fast. The underlined work is.............

49.
I was heard to sing a song.
I was heard sing a song.
I was heard singing a song.
I was heard to sing a song. by them

The passive of: They heard me sing a song.

50.
He said that congratulation
He congratulated me
He congratulated that I passed.
He said that I deserved Congratulations.

The indirect of: He said,'Congratulation'

51.
6 sec
3 sec
2 sec
1 sec

The duration in which the displacement becomes half the amplitude in the case of a simple harmonic motion if it's period is 12 second, is

52.
1.5 sec
1.5 min
15 sec
15 min

A train of length 600 m is travelling with a velocity of 64 km/hr. The time taken by the train to cross clearly a bridge of 1 km will be

53.
work and power
energy and power
work and energy
angular momentum and linear momentum

Which one of the following pairs of physical quantities has the same dimension?

54.
V = √F
V = √2F
V = 1/2√F
v = √F//2

A body of mass 1 kg is rotated in a horizontal circle of radius 50 cm. If F and v represent the centripetal force and the constant speed respectively, which one of the following expressions may be correct?

55.
2 kms-1
1 km s-1
0.5 kms-1
4 kms-1

The root mean square (rms) speed of hydrogen molecule at STP is 2 km per second. The rms speed of oxygen molecule at 810°C is

56.
coefficient of thermal conductivity
thermo emf
specific heat
heat radiation

Bolometer measures the

57.
296 K
263 K
250 K
1.5°C

A temperature of 14°F is equivalent to

58.
1.5 D
0.66 D
-1.5 D
-0.66 D

A myopic eye cannot see object beyond 1.5m. What power of lens will be required to correct this defect of vision?

59.
${\sin}^{-1}\left(\frac{8}{9}\right)$
${\sin}^{-1}\left(\frac{4}{5}\right)$
${\sin}^{-1}\left(\frac{3}{4}\right)$
${\sin}^{-1}\left(\frac{2}{3}\right)$

The critical angel of glass water interface is

60.
2
3
4
0

A diffraction granting has 5000 lines per cm. The maximum order visible with the radiation of wavelength 600nm in diffraction experiment.

61.
t/nc
cnt
nt/c
tc/n

Light travels through a glass plate of thickness t and refractive index n. If C is the velocity of light in vacuum, the time taken by light to travel this thickness is

62.
50 cm from 2 μC charge
59 cm from 2 µC charge
41 cm from 2 μC charge
66 cm from 2 µC charge

Two charges of 2 µC and 4 μC are im apart. The electric field intensity is zero at a point between the charges. This point is approximately at a distance.

63.
only odd harmonics
only even harmonics
both odd and even harmonics
depends upon the length of pipe

An open organ pipe can produce

64.
electric potential
electric field intensity
electric power
electric energy

Watt per ampere is the unit of

65.
less than that of B
equal to that of B
more than that of B
depends upon the amount of current flowing in wires

Two wires A and B of equal radii are drawn from the same material. Their lengths are 1m and 2m respectively. The resistivity of A is

66.
increase
decrease
remains unchanged
increases or decreases depending upon the frequency of a.c

When a capacitor is added in series in an LCR circuit, the impedance of the circuit

67.
X-(Y/R)
(X-Y)R
(X-Y)R/X
(X-Y)R/Y

A cell of emf X if connected across a resist of R. The potential difference across the wire is measured as Y. The internal resistance of the cell should be

68.
5:27
20:27
27:20
1:4

The ratio of wavelength of the first line of Lyman series to the first line of Balmer series is

69.
2 x ${10}^{15}$ Hz
8 x ${10}^{14}$ Hz
4 x ${10}^{16}$ Hz
6 x ${10}^{17}$ Hz

If work function of a metal is 3-3 eV, the threshold frequency in photoelectric effect will be

70.
125 g
250 g
550 g
875 g

A radioactive material of half life 5 days has its initial mass of 1 kg. The amount decayed after 20 days will be

71.
speed
mass
charge
magnetic induction

A charged particle is undergoing a circular motion in a uniform magnetic field. The time period is independent of

72.
250 m/s
300 m/s
360 m/s
450 m/s

Velocity of sound in a glass is 330 ms-1 at STP. Its value at 300k will nearly be

73.
90°
60°
45°
30°

Time of flight T of a projectile is related to the horizontal range R by an equation gT2= 2R. the angle of projection (in degrees) is

74.
1.7 x ${10}^{11}$ $m{s}^{-2}$
1 x ${10}^{6}$ $m{s}^{-2}$
1 x ${10}^{12}$ $m{s}^{-2}$
1 x ${10}^{7}$ $m{s}^{-2}$

An electron in a field of 1 NC-1 will have an approximate acceleration.

75.
same
2 times
4 times
16 times

A bullet gets heated if stopped by a target. If its velocity is doubled the rise in temperature of the bullet will be

76.
alkanes
alkenes
alkynes
ethylenes

Paraffin's are also called

77.
$F{e}_{4}[Fe(CN{)}_{6}{]}^{3}$
Fe(CNS)
$F{e}_{4}[Fe(CN{)}_{5}NOS{]}$
$Na[Fe(CN{)}_{6}]$

A green color is formed in Lassaigne's test if nitrogen is present in an organic compound. This green color is due to the formation of

78.
${C}_{2}{H}_{4}$
${C}_{2}{H}_{2}$
${H}_{2}$
$C{H}_{4}$

$A{L}_{4}{C}_{3}$ reacts with water to give

79.
acetanilide
benzalinide
Schiff's base
phenol

Aniline on warming with Benz aldehyde

80.
Tetraethyl lead
methane
methoxy propane
methyl cyanide

Which of the following compounds is used as the best anti-knocking agent?

81.
chloretone
chloropicrin
carbon tetrachloride
carbonyl chloride

Chloroform reacts with concentrated HNO3 on heating and yields

82.
Ninhydrin reagent
Tollen's reagent
Grignard reagent
Baeyer's reagent

Which of the following reagents is used to detect the aldehyde group?

83.
addition polymer
condensation polymer
polyamide
polyimide

Terylene is a

84.
$ZNC{O}_{3}$
ZnS
Zno
$ZnO.F{e}_{2}{O}_{3}$

The formula of Zinc blende is

85.
+2
+3
+1
o

The oxidation state of iron in Mohr's salt is

86.
Feo
$C{O}_{2}$
CO
CaO

Which of the following oxides is acidic?

87.
V-shaped
tetrahedral
linear
trigonal pyramidal

The structure of ammonia molecule is

88.
monobasic acid
dibasic acid
Tribasic acid
tetrabasic acid

Orthophosphoric acid is

89.
$MgS{O}_{4}{.}_{7}{H}_{2}O$
Mgo
$CaS{O}_{4}{.}_{2}{H}_{2}O$
CaO

The formula of Epsom salt is

90.
Sulphuric acid
nitric acid
ammonia
white phosphorus

Ostwald's process is used for the manufacture of

91.
chlorine
fluorine
iodine
bromine

Among the following elements, the one having highest electron affinity is

92.
6.023 x ${10}^{23}$ no of $C{O}_{2}$ molecule
6.023 x ${10}^{21}$ no of $C{O}_{2}$ molecule
6.023 x ${10}^{19}$ no of $C{O}_{2}$ molecule
6.023 x ${10}^{18}$ no of $C{O}_{2}$ molecule

44 gm of $C{O}_{2}$ is equal to

93.
Mol. wt/1
Mol. wt/6
Mol. wt/3
Mol. wt/5

Equivalent weight of potassium dichromate in acidic medium is equal to

94.
0.53 gm
5.3 gm
0.053 gm
5.6 gm

The weight of sodium carbonate required to prepare 100 mL of decinormal sodium carbonate solution is

95.
dynes.cm
dynes.$c{m}^{-1}$
dynes.$c{m}^{2}$
dynes.$c{m}^{-2}$

Which of the following is the unit of surface tension?

96.
Hund's rule
Aufbau principle
Uncertainty principle
Paul's exclusion principle

Electrons will distribute themselves in degenerate orbitals so as to retain parallel spin as much as possible. This is called

97.
$[Ar]4{s}^{2}3{d}^{8}$
$[Ar]4{s}^{1}3{d}^{10}$
$[Ar]4{s}^{2}3{d}^{10}$
$[Ar]4{s}^{2}3{d}^{7}$

The actual electronic configuration of copper is

98.
6.3 x ${10}^{-5}$ M
6.3 x ${10}^{-6}$ M
6.3 x ${10}^{-7}$ M
6.3 x ${10}^{-4}$ M

If the pH of a solution is 5.2, the hydrogen ion concentration of the solution is

99.
${\sec}^{-1}$
$mol{\sec}^{-1}$
$mo{l}^{-1}{\sec}^{-1}$

The unit of rate constant for first order reaction is

100.
always positive
always negative
can be positive or negative
unpredictable

The enthalpy of formation of the compound is