BE ENTRANCE MODEL QUESTION 2021

Answer Sheets
Roll No:
Date: - -2 0 2 1
Section-A: Physics
A B C D E A B C D E A B C D E A B C D E A B C D E
1. 2. 3. 4. 5.

6. 7. 8. 9. 10.

11. 12. 13. 14. 15.

16. 17. 18. 19. 20.

21. 22. 23. 24. 25.

Section-B: Mathematics
A B C D E A B C D E A B C D E A B C D E A B C D E
1. 2. 3. 4. 5.

6. 7. 8. 9. 10.

11. 12. 13. 14. 15.

16. 17. 18. 19. 20.

21. 22. 23. 24. 25.

Section-C: Chemistry
A B C D E A B C D E A B C D E A B C D E A B C D E
1. 2. 3. 4. 5.

6. 7. 8. 9. 10.

11. 12. 13. 14. 15.

16. 17. 18. 19. 20.

Section-D: English
A B C D E A B C D E A B C D E A B C D E A B C D E
1. 2. 3. 4. 5.

6. 7. 8. 9. 10.

11. 12. 13. 14. 15.

Do not write below this line

For Office Use Only
Physics Score:_____ Math Score:_____ Chemistry Score:____ English Score:____

Total Score :______ Status: Selected/Not Selected Remarks:_____ Evaluated by:_____

 Gaindakot, Nawalpur
BE ENTRANCE MODEL QUESTION 2021
Entrance Code : ____________________ Date_____________________
(For office Use only)

Time: 2 hrs
Subject: Physics/ Mathematics /Chemistry /English

Instruction to the Candidate

1. Occupy your seat only
2. Write your Entrance Roll Number clearly, both on the Entrance Test question Booklet and on the
Entrance Test Answer Sheet.
3. Once the examination has started, no candidate will be allowed to leave the examination hall.
4. You are provided with a separate Answer Sheet in which you are required to darken (with the
help of a HB pencil) the appropriate answer lettered choice box against the question number.
For example, if proper answer to question number 5 is choice b, then in the answer sheet provided,
darken the lettered choice box B Against number 5 in the answer sheet.

5. A B C D E

5. For correction of a wrong answer choice, cross-mark the already darken wrong answer lettered
choice box, and then re-darken the appropriate answer lettered choice box against the question
number.
For example, later on, you found that the proper answer to question number 5 is choice d, not b, then in
the answer sheet provided, cross-mark the previously darkened lettered choice box B and then darken the
lettered choice box D against number 5 in the answer sheet

5. A B C D E

6. Use the blank pages given at the back for rough work. Do not use any paper other than the
provided sheet
7. Subject and marks allocation: SN Subject Marks
1 Physics 50
2 Mathematics 50
3. Chemistry 30
4. English 20

8. If there is no answer then darken the E option in the answer sheet.

Entrance Roll No. : ......................................... Entrance Code: .............

(For office use only)
Applicant's Name : ....................................... ……………………..

Address : ........................................ Phone Number : ..................................

 Physics Model Question for BE Entrance 2021 [25x2=50]
1. Two bodies of masses m and 4m are moving with equal K.E. The ratio of their linear momentum
is A. 4:1 B. 1:1 C. 1:2 D. 1:4
2. Two particles are projected simultaneously in the same vertical plane, from the same point, both
with different speeds and at different angle with horizontal. The path followed by one, as seen by
the other is A. a vertical line B. a parabola
C. a hyperbola D. a straight line making a constant angle (≠90) with horizontal
3. Characteristic X-rays are produced due to
A. transfer of momentum in collision of electrons with target atoms
B. transition of electrons from higher to lower electronic orbits in an atom
C. heating of the target
D. transfer of energy in collision of electrons with atoms in the target

4. A slab consists of two portions of different material of same thickness and having conductivities
K1 and K2. The equivalent thermal conductivity of the slab is
A. K1 + K2 B. K1K2 / (K1+K2 ) C. 2K1K2 / (K1+K2) D. √(K1 + K2)

5. Quality of two sounds is different because

A. Their frequencies are different B. Their intensities are different
C. Their amplitudes are different D. Different overtones are present in them

6. If null point is observed at the equatorial line of a bar magnet then the north pole of bar magnet
must have faced
A. geographical north pole B. geographical South Pole
C. east ... D. west

7. Three charges 2q, -q and –q are located at the vertices of an equilateral triangle. At the center of
the triangle
A. the field is zero but potential is non-zero B. the field is non-zero but potential is zero
C. both field and potential are zero D. both field and potential are non-zero

8. A ray of light strikes a glass plate at an angle of 60°. If the reflected and refracted rays are
perpendicular to each other, the index of refraction of glass is
A. ½ B. √3/2 C. 3/2 D. 1.732
9. Bohr’s postulates correctly measures
A. radius of an atom B. angular momentum C. Rydberg’s constant D. None
10. Boron rods in nuclear reactors are used for
A. absorb excess electrons B. absorb alpha particle
C. slow down reaction D. speed of reaction
11. Two waves y1 = a sin (ωt -kx) and y2 = a cos (ωt -kx) are superposed. Then amplitude of
resultant wave is
A. 2a B. 0 C. a D. √2 a
12. A glass convex lens placed in liquid behaves like a concave lens. If μg and μl be the refractive
indices of glass and liquid w.r.t. air respectively, then
A. μg =μl B. μg > μl C. μg < μl D. μg = 2μl
13. A particle of charge q and mass m is suspended from a massless string in a horizontal electric
field of magnitude E, then angle  made by string with vertical is
A. cot-1 (qE/mg) B. tan-1 (qE/mg)
-1
C. tan (qE/m) D. tan-1 (mg/mE)
14. In a circuit, the value of alternating current measured by ammeter is 10A. It's amplitude will be
A. 10A B. 20A C. 14.14A D. 7.07A
15. If the magnetic moment of the atoms of substance is zero, then the substance is called
A. diamagnetic B. ferromagnetic C. paramagnetic D. antiferromagnetic
16. An intrinsic semiconductor is doped with acceptor impurities, then
A. Electron concentration increases. B. Electron concentration decreases.
C. Hole of concentration increases. D. Hole concentration decreases.
qE

17. Bohr's atomic theory can be applied to

A. Hydrogen atom only B. Hydrogen and singly ionized Helium atom
C. Hydrogen and its isotopes D. All types of atoms
18. Organic compounds are very large in number. This is due to
A. small size of carbon B. valency of carbon
C. special property of carbon known as catenation D. all of these
19. IUPAC name of
H
|
H – C = CHCN is
A. Ethenenitrile B. Vinyl cyanide
C. Cyanoethene D. 2-propenenitrile

20. Number of isomeric forms of C7H9N having benzene ring will be

A. 7 B6 C. 5 D. 4

21. For which of the following species Bohr's theory is not applicable?
A. Be3+ B. Li2+ C. He2+ D. H

22. Which of the following is largest ion?

A. Na+ B. Mg2+ C. O2 D. F

23. The oxidation number of cobalt in K [Co(CO)4] is

A. +1 B. -1 C. +3 D. -6

24. When one ampere current flows for 1 second through a conductor the quantity of electricity is called.
A. Faraday B. Coulomb C. EMF D. 1 ohm

25. What is the volume of water to be added to N/2 HCI to prepare 500cm3 of N/10 solution?
A. 200cm3 B. 300cm3 C. 400cm3 D. 500cm3
 Mathematics Model Question for BE Entrance 2021 [25x2=50]

1  tan 2 7.5
1. 
1  tan 2 7.5
3 1 3 1 1 5 1
a) b) c) d)
2 2 2 2 2 2 4

2. The value of tan9-tan63-tan27+tan81=

a) 2 b) 4 c) 1 d) 0

x2  y2
3. The expression sin2θ is positive if
2 xy
a) x= -y b) x=y c) x>y d) x<y
2q
4. Which of the following is true?
a) sin1c > sin1o b) sin1c < sin1o c) sin1c= sin1o d) None

5. The minimum value of /sinx/ and /sec x/ are

a) 1,1 b) -1,1 c) 0,1 d) 2,1

6. The period of sin4x+Cos4x is

  
a) π b) c) d)
2 3 6
7. Derivative of an even function f(x) is
a) even function b) odd function c) neither even nor odd d) none

8. The value of 16R2 rr1r2r3=

a) Δ2 b) a2b2c2 c) abc d) s2

9. In ΔABC, if a=13, b=14 and c=15 then the radius of Ex-circle(r1) is :

a) 4 b) 10.5 c) 13.5 d) 7.5
1 1 1
10. The value of   
ab bc ca
1 1 1 1
a) b) c) d)
2 RS 2 R 2 rS 2 Rr
r1 r2 r3
11. The value of 
r
a) R2 b) S2 c) r2 d) Δ2
12. The side of a Δ are a,b, a 2  ab  b 2 then the greatest angles is:
a) 30o b) 60o c) 90o d) 120o

13. If the angle of a triangle are in the ratio 1:2:3 then the ratio of the sides are
a) 1 : 3 : 2 b) 1 : 3 : 2 c) 1 : 2 : 3 d) 1:2:3

14. In ΔABC, CosecA=

abc bc bc abc
a) b) c) d)
R  2 2s
sin( B  C )
15. In any triangle 
sin( B  C )
 bc y x b2  c2
a) b) c)  d)
b2  c2 x y a2
16. tanA can be expressed as .
 b 4
a) b) c) d) none
a b
2 2
2 b  c2  a2
2

17. The value of (a+b+c) (tanA/2+tanB/2)=

a) 2ccotC/2 b) 2bcotB/2 c) 2acotA/2 d) none

cos2 A / 2 cos2 B / 2 cos2 C / 2

18. The value of   
a b c
R abc b S
a) b) c) d)
 R  abc
-1
19. The value of sin (cot x)=
1 1
a) 1  x 2 b) x c) d)
x 1 x2 1 x2
20. The value of Cosec-1 {1/2}=
a) 30o b) 60o c) 90o d) not defined
21. The principal value of tan-1 {tanπ/4)=
a) -π/4 b) π/4 c) 3π/4 d) -3π/4

22. The principal value of sin-1 (- 3 /2) is:

a) -2π/3 b) -π/3 c) 4π/3 d) 5π/3
  7 
23. The principal value of Cos-1 cos 
  6 
a) 7π/6 b) 5π/6 c) π/3 d) none

24. If A= {1,3,5,7,9} and B= {2,3,5,7,11} the (A∆B)=

a) {1,9} b) {2,11) c) {1,9,11} d) {1,2,9,11}

25. If A={x:x is a multiple of 3} and B= {x:x is a multiple of 5} then (A-B) is:

a) Ᾱ∩B b) A∩B c) Ᾱ∩B d) A∩B
 Chemistry Model Question for BE Entrance 2021 [30x1=30]
1. The no. of electronic in [19K40]-1is
a) 18 b) 19 c) 20 d) 40
2. The element used by Rutherford, in his famous scattering
a) Tin b) Gold c) Lead d) Silver
3. According to Bohr’s theory of hydrogen atom, which of the following is quantized
for an electron?
a) Velocity b) Acceleration
c) Angular momentum d) angular acceleration
4. Generally, the limit of visible spectrum is
a) 1000 to 3000Ao b) 3800 to 7600Ao
c) 8000 to 10,000Ao d) 12,000 to 15,000Ao
5. The de Broglie wave length of a particle of mass 1g moving with a velocity of 100 m-s-1 is
a) 6.63x10-33 b) 6.63x10-34m
-36
c) 6.63x10-35m d) 6.65x10 m
6. A photon of energy 8eV is incident on a metal surface of threshold frequency 1.6x10.15Hz. The
kinetic energy of photoelectrons emitted is (h=6.63x10-34 J-s). Calculate frequency of photon.
a) 1.9×1015Hz b) 2.×1015Hz c) 3.1×1015Hz d) 4×1015Hz
7. The uncertainty in the momentum of a particle is 6x10-2kg-m-s-1. The uncertainty in its position
is
a) 4.4x10-14m b) 6.8x10-21m c) 7.8x10-30m d) 8.8x10-34m
8. For 1=3, corresponding values of magnetic quantum numbers would be
a) -1, -2, -3 b) 0, +1, +2, +3 c) 1111111111 d) (-3 to +3)
9. Which of the following is not an amphoteric substance?
a) NH3 b) H2O c) HCO3 d) HNO3
10. Which of the following is a polar compound?
a) HF b) HCI c) HNO3 d) H2SO4
11. H2O is dipolar, whereas BeF- is not. It is because
a) H2O is linear and BeF2 is angular
b) H2O is angular and BeF2 is linear
c) Electro negativity of F is greater than of O
d) H2O involves hydrogen bonding, whereas BeF2 is discrete molecule. Molecule in ice, is
12. The maximum number of hydrogen bonds formed by a water molecule in ice, is
a) 4 b) 3 c) 2 d) 1
13. Intra molecular H-bonding is present in
a) Water b) Ammonia
c) O-nitro phenol d) Hydrogen chloride
14. Ethanol is soluble in water due to
a) Ethyl Group b) Hydrogen bonding
c) Its neutral nature d) Dissociation in water
15. The conversion of sugar
a) Oxidation b) Reduction
c) Neither oxidation nor reduction d) both oxidation and reduction
16. The oxidation number of carbon in CH2O is
a) -2 b) +2 c) O d) +4
17. In which of the following compounds transition metal is in oxidation state zero?
a) [Co (NH3)6] cI2 b) [Fe (H2O)oSO4]
c) [Fe (CO)5] d) ) [Fe (H2O)3](OH)4
18. When KMnO4 is reduced with oxalic acid in acid medium, the oxidation number of Mn changes
from
a) 7 to 4 b) 6 to 4 c) 7 to 2 d) 4 to 2
19. In hemoglobin the iron is in
a) +2 oxidation state b) +1 oxidation state
c) +3 oxidation state d) +4 oxidation state
20. The root mean square velocity of one mole of a monoatomic gas having molar mass M is V r. m.
s4 the relation between average kinetic energy (E) of the gas and V r. m. s is

a) Vr.m.s= b)Vr.m.s= c) Vr.m.s= d) Vr.m.s=

21. The triple point of water is

a) 172K b) 273K c) 298K d) 373K
22. The liquefied metal, which expands on sodifocation. Is
a) Ga b) Al c)Zn d) Cu
23. Water is a/an
a) Aprotic solvent b) Amphiprotic solvent
c) Protophilic solvent d) Protophobic solvent
24. By increase the temperature of a liquid, its vapour pressure
a) Increase b) Decrease
c) Remains constant d) becomes zero
24. Van’thoff factor for an electrolyte is
a) >1 b) <1 c) =1 d) none
26. Which of the following oxides is amphoteric in character?
a) CaO b) CO2 d) SiO2 e) SnO2
27. The PH of a solution, whose hydronium ion concentration is 6.2x 10-9, is
a) 3.17 b) 5.15 c) 6:21 d) 8:21
28. The PH value of an acid is 5 and concentration is 1M. What is the value of Kafor the acid?
a) 10-7 b) 10-5 c) 10-10 d) 10-8
29. The solubility of PbCl2 is

a) b) c) d)

30. Which of the following changes will shift the reaction in forward direction?
a) Increase in total pressure
b) Increase in temperature
c) Increase in concentration of 1
d) Decrease in concentration 12
 English Model Question for BE Entrance 2021 [15+5=20]
1. She said to me, “let me go “.
a) She said to me let me go. b) She requested me to let me go.
c) she requested me letting her go. d) She requested me to let her go.
2. Nobody hurt him.
a. He was hurt b. He was hurted
c. he wasn’t hurt by nobody d. he was not hurt
3. I’m to teach you.
a. You have to be taught b. You should be taught.
c. You are to be taught d. You are to be teached.
4. We make ……………. Butter from …….. Milk.
a. the, x b. x, the c. a, the d. no articles

5. Give Synonym of Perennial.

a. Perpetual b. Stop c. Temporary d. Active
6. She beckoned to enter the room.
a. told b. said c. signaled d. advised

7. She was baffled by the confusing road signs.

a. confused b. nebulous c. perplexed d. all
8. A book of synonym’s and antonym’s is :
a) Dictionary b) thesaurus
c) encyclopedia d) autobiography
9. A person who wastes his money on luxury is……….
a) luxuriant b) extravagant c) luxurious d) stingx
10. He has in the best of health; his death was really ………………….
a) Pitiable b) natural c) surprising d) expected
11. Prabha’s English is excellent. She speaks…………..
a. English perfect b. perfectly English
c. perfect English d. English appropriately
12. Causes and effect relationship
Example: Education : Development
a. Man : Speech b. Game : Play
c. Nutrition : Health d. Child : Growth
13. Creature and living place relationship.
Example: Bee : Hive
a. Duck : Drake b. Warm : Tepid
c. Carcass : Corpse d. Monk : Monastery
14. Would you mind if I …………. You the monkey I owe your body.
a. do not give b. did not give
c. will not give d. wouldn’t give
15. If the door is locked, what ………. i do ?
a. have b. do c. can d. shall
16. Write a paragraph about the impact of COVID-19 in Education system in Nepal.