GameChanger Academy

1. For what minimum height a body is released on a smooth inclined plane so that it revolves in vertical circle of radius 'R' after reaching the ground.

[CEE 2021]

5/2 R
5/4 R
3/5 R
2R

2. Two bodies are projected at angles 45° and 60° respectively with horizontal. If both bodies attain same vertical height then ratio of their range will be?

[CEE 2021]

\sqrt(2):2
\sqrt(3):1
3:1
1:1

3. Escape velocity for earth is 11 km/s. If satellite launched at 45° with, horizontal, then escape velocity would be

[CEE 2021]

11 km/s
11 \sqrt(3) km/s
11/\sqrt(2) km/s
11.2 km/s

4. A body of mass 'm' moving with velocity u' collide with another body of same mass at rest then get embedded in it then loss of kinetic energy is?

[CEE 2021]

E
E/2
E/3
E/4

5. A body is moving in circular path with uniform motion then which is correct?

[CEE 2021]

Path is periodic & SHM
Neither periodic nor SHM
Is SHM but not periodic
Is periodic but not SHM

6. A train of having mass "m" moving with velocity "v" making an angle "θ" with horizontal straight line then power delivered is?

[CEE 2021]

mgv cosθ
mgv sinθ
2 mg cosθ
mv cosθ

7. A body does not wet glass if it makes

[CEE 2021]

acute angle
right angle
Greater than 90°
0°

8. A boat having length of 4 m and breath 2 m is flowing on a lake, the boat sink by 1 cm when a man gets on it, the mass of the man is

[CEE 2021]

a. 80 kg
b. 60 kg
c. 120 kg
d. 100 kg

9. When a mercury is kept in a glass then meniscus is

[CEE 2021]

Concave upward
Concave downward
Convex upward
Convex downward

10. If there is change in K.E. is 4% then momentum changes by

[CEE 2021]

a. 2%
b. 8%
c. 6%
d. 1%

11. When refrigerator works between 0 degree celcius and room temperature then coefficient of performance is what?

[CEE 2021]

a. 9
b. 12
c. 17
d. 12

12. If 420 J is lost by 20 g of water. What is the change in temperature?

[CEE 2021]

a. 10°C
b. 5°C
c. 20°C
d. 25°C

13. If pressure of closed container is "P" then translational kinetic energy per unit volume is?

[CEE 2021]

a. KE=2/3P
b. KE=3/2 P
c. P= 2KE
d. P= 3/2 KE

14. A black body is radiating at zero kelvin?

[CEE 2021]

a. no radiation
b. maximum radiation
c. quadrupled
d. doubles

15. Equal masses Of two liquid, one are at 20°C and other at 40°C then they mixed to have resulting temperature 32°C then the ratio of their specific heat capacity is

[CEE 2021]

a. 3:2
b. 4:1
c. 3:1
d. 2:3

16. Which is incorrect?

[CEE 2021]

a. Isothermal = Temperature constant
b. Adiabatic = Heat and temperature constant
c. Isochoric = Volume constant
d. Isobaric = Pressure constant

17. Two wires of same materials having same length and cross section area are joined in series having resistivity ρ1 and ρ2 respectively then their equivalent resistivity will be?

[CEE 2021]

a. (ρ1+ρ2)/2
b. Ρ1+ρ2
c. Ρ1-ρ2
d. (ρ1ρ2)/(ρ1+ρ2)

18. Two capacitor having capacitance 3μF and 8μF then maximum voltage is obtained when they are connected in

[CEE 2021]

a. Parallel
b. Series
c. Parallel with resistance
d. Series with resistance

19. Soft iron used to make the core of the transform because of its

[CEE 2021]

a. Low coercivity & low retentively
b. Low coercivity & high retentively
c. High coercivity & low retentively
d. High coercivity & high retentively

20. If wire is stretched to double its length then change in their resistance will be

[CEE 2021]

a. 2 times
b. 3 times
c. 4 times
d. 16 times

21. If the change in current per second is 1 A/sec then Emf will be equal to

[CEE 2021]

a. Magnetic field
b. Flux
c. Self inductance
d. Permittivity

22. If 10 m long potentiometer wire has resistance 20 ohm connected with 10 ohm external resistance in series with 3 volt battery then potential gradient across the wire will be

[CEE 2021]

a. 0.02 v/m
b. 0.2 v/m
c. 0.10 v/m
d. 0.5 vim

23. Through two parallel wires A and B, 10 A and 2A of current are passed respectively in opposite direction. If the Wire A is infinitely long and the length of the wire B is 2 m, then force on the conductor B which is situated at 10 cm distance from A will be

[CEE 2021]

a. 8 x 10^-3 • N
b. 8 x 10^(-5) N
c. 9 x 10^(-5) N
d. 4π x 10^(-3) N

24. If electrons moving from points A to B, having work done 1600 J then potential difference between A & B will be

[CEE 2021]

a. a 10^22 volt
b. b. 10^19 volt
c. 10^(-23) volt
d. 10^24 volt

25. A coil area 0.04 m2 having 10 turns. Suspended perpendicular to a magnetic field 5 x10^(-5) Wb/m^2. It is rotated through 180° in 0.1 Calculates Emf induced in it.

[CEE 2021]

a. a. 4 x 10^(-3) volt
b. 20 volt
c. c. 400 volt
d. 4 x 10^(-4) volt

26. A person cannot see an object beyond 100 cm. The lens to be used to remove this defect will be the power

[CEE 2021]

-1 D
1 D
2 D
-2 D

27. Critical angle of diamond is

[CEE 2021]

a. 41°
b. c. 24°
c. b. 49°
d. d. 39°

28. Height Of object is "h" and object distance is "u" from concave mirror of focal length "f" then height of image will be

[CEE 2021]

h/(u−f)
(u−f)/f
h((u−f)/f)^(1/2)
h(f/(u−f))^2

29. A Old man cannot read newspaper near than 100 cm from his eyes. He is suffering from

[CEE 2021]

a. Hypermetropia, corrected by biconcave lens
b. Myopia, corrected by biconvex lens
c. by bifocal lens
d. Astigmatism corrected by cylindrical lens

30. A prism having refractive index 1.5 having deviation 5° then angle of prism is

[CEE 2021]

a. 10°
b. 5°
c. 9°
d. 8°

31. A slab is placed in path of one interfering light having thickness 4 and refractive index is 1.5 then path difference will be

[CEE 2021]

a. 2 cm
b. 4 cm
c. 8 cm
d. 5 cm

32. Threshold wavelength of metal is 5500 Å then photoelectron will be ejected if it is illuminated by

[CEE 2021]

a. 25 W violet light
b. 50 W infrared light
c. 50 W red light
d. 25 W infrared light

33. Super conductor have

[CEE 2021]

Infinite conductance
Large conductance
Small conductance
No conductance

34. Holes is found in

[CEE 2021]

a. Metal
b. Non-metal
c. Semiconductor
d. Super conductor

35. In bohr orbit having ionization energy 13.6 then excitation energy between second & third orbit is

[CEE 2021]

a. 1.9
b. 2.5
c. 10.2
d. 0.9

36. If radioactivity is 1 disintegration per second is called

[CEE 2021]

a. 3 x 10^20 curie
b. 1 Becquerel
c. 10^6 rutherford
d. 10^6 Becquerel

37. If 90% current goes to collector is 18 mA then current goes to base is ?

[CEE 2021]

a. 2mA
b. 5mA
c. 8mA
d. 20mA

38. If frequency gets doubled then stopping potential Will be

[CEE 2021]

a. More than double
b. Less than double
c. Half
d. Same

39. If Bohr's first orbit is 0.53 Å then second orbit is

[CEE 2021]

a. 4 x 0.53Å
b. 2 x 0.53 Å
c. 5 x 0.53Å
d. 8 x 0.53Å

40. In NPN transistor electron moves from

[CEE 2021]

a. Emitter to collector
b. Emitter to base
c. Base to collector
d. Base to emitter

41. If knee voltage is 1.5 volt and distance between depletion lager is 2 μm then electric field is

[CEE 2021]

a. 750 kv/m
b. 80 kv/m
c. 9 kv/m
d. 100 kv/m

42. Wilson cloud chamber is used for

[CEE 2021]

a. Detect mass
b. Detecting charged particles
c. Detect energy
d. Detect moisture in the atmosphere

43. Quark in proton is

[CEE 2021]

a. uud
b. udd
c. uu ̅
d. ud ̅

44. If in the neutron have the quark of up, down then neutrons decomposes to give electron, anti-neutrono, ….?

[CEE 2021]

a. pion
b. proton
c. nutrino
d. taun

45. If a tuning fork have frequency Hz and second overtone at 0.175 m then yelocity of sound is

[CEE 2021]

a. 300 m/s
b. 350
c. C. 340 m/s
d. 400 m/s

46. If intensity of sound increased by 20 times then loudness increases in decibel?

[CEE 2021]

a. 13
b. 12
c. 10
d. 20

47. Sound travels through medium because

[CEE 2021]

a. Pressure is passed on
b. Energy do not move
c. Mass do not move
d. Momentum do not move

48. The power of emitter 66 MW and frequency 220 KHz then find the amount of photon per second?

[CEE 2021]

a. 6 x 10^32
b. 6 x 10^20
c. 6 x 10^(-19)
d. 6 x 10^(-32)

49. In a diffraction pattern due to a single slit of width the first minimum is observed at an angle 30° when light of wavelength 5000 Å is incident on the slit. The first secondary maximum is observed at an angle of:

[CEE 2021]

sin^(−1)⁡〖1/2〗
sin^(−1)⁡〖3/4〗
sin^(−1)⁡〖1/4〗
sin^(−1)⁡〖2/3〗

50. Centre of mass not affected by

[CEE 2021]

a. mass of individual
b. relative distance between panicle
c. force acted on particles
d. position of particles

51. Direct ancestor of human is

[CEE 2021]

a. hominid
b. Anthropoe
c. Ape
d. Monkey

52. Forest of nephridia found in

[CEE 2021]

a. Prostomium
b. Cingullum
c. Peristomium
d. Phanrynx

53. Hodgkin disease related to

[CEE 2021]

a. Tuber culosis
b. Cancer
c. Typhoid
d. Diarrhoea

54. Excretory organs gf platyhelminthes is

[CEE 2021]

a. Nephridia
b. Kidney
c. Flame cells
d. Coxal gland

55. Classification of protozoa on the basis of

[CEE 2021]

Locomotory organs
Feeding habit
Excretory system
Habitat

56. Classification of porifera on the basis of

[CEE 2021]

water canal system
spicules
circulatory system
Cell grade

57. Organ Of bojanus is related to

[CEE 2021]

a. Circulatory
b. Excretory
d. Digestive
d. c. Respiratory

58. In stomach, curdling of milk by

[CEE 2021]

a. Pepsin
b. Renin
c. Trypsin
d. Papain

59. Largest muscles is

[CEE 2021]

a. Gluteus maximus
b. Gluteus minimus
c. Massaster
d. Stapedius

60. Which is viviparous?

[CEE 2021]

a. Platypus
b. Shark
c. Bird
d. Reptiles

61. Organism tolerate narrow range of salinity is

[CEE 2021]

a. Stenohaline
b. Euryhaline
c. Homeothermic
d. Poikilothermic

62. Incomplete digestive system in

[CEE 2021]

a. Whip worm
b. Tapeworm
c. Hookworm
d. Ascaries

63. Spermatheca poras found in

[CEE 2021]

2345/3456
3456/4567
6789/789 10
5678/6789

64. In which of the following exflagellation occurs?

[CEE 2021]

a. Micro gametocyte
b. Mega gametocyte
c. Sporozoite
d. Oocyte

65. In malaria patient, toxic substance haemozoin released in

[CEE 2021]

a. Spleen
b. Liver
c. Stomach of FAM
d. Salivary gland

66. In kidney, how many blood reach in litre in 1 minutes

[CEE 2021]

a. 12
b. 0.4
c. 0.8
d. 12.5

67. Which is correct with its category?

[CEE 2021]

a. Stimulant — Amphetamineö
b. Narcotics — LSD
c. Tranqullizer — Codeine
d. Sedative — Cocaine

68. Which is incorrect?

[CEE 2021]

a. Myosin- Contractive protein
b. Myoglobin — Red muscle
c. Troponin — Fibrous protein
d. Smooth Involuntary muscle

69. Sea lily is

[CEE 2021]

a. Antedon
b. Holothurian
c. Asterias
d. Echinus

70. Which is learned behaviour?

[CEE 2021]

a. Tendon reflex
b. Salluatior
c. Blinking of eye
d. Eycling a dancing

71. Which is incorrect?

[CEE 2021]

a. Echinodermata — water vascular system
b. Archeopteryx — Living fossil
c. Peripatus— Missing links
d. Molluscs — Gastropoda

72. 1st formed simple compound in the direction of origin is

[CEE 2021]

a. Nucleic acid & protein
b. Amino acid & protein
c. Urea & nucleic acid
d. Urea & protein

73. Which is not in primitive earth

[CEE 2021]

a. CH4
b. NH3
c. H2
d. O2

74. Ameloblast is found in

[CEE 2021]

a. Pancreas
b. Tooth
c. Liver
d. Small intestine

75. Infective stage of plasmodium is

[CEE 2021]

a. Sporozoite
b. Trophozoite
c. Merozoite
d. Ookinete

76. If sperm have no acrosome than

[CEE 2021]

a. Motility decrease
b. Not get nutrition
c. cant penetrate eggs
d. Will be more active

77. If medical report of a newly married women is uterus cancer so she. done hysterotomy and wants to get child then which of the following saturation is better for her?

[CEE 2021]

a. IVF and eggs lended by surrogate mother
b. IVF and eggs lended intended mother & father's sperm
c. IVF and transfer in uterus of intended mother
d. IVF and eggs landed by surrogate mother and father sperms.

78. If frequent urination having no glucose then suffering from

[CEE 2021]

a. Diabetes mellitus
b. Diabetes polydipsia
c. Diabetes insipidus
d. Cretinism

79. In hibernation frog respires by

[CEE 2021]

a. Cutaneous
b. Skin & lungs
c. Buccopharyngeal
d. Pulmonary

80. Frog has

[CEE 2021]

a. Ear but no pinna
b. Diaphragm
c. No eyelid
d. Epiglottis

81. Innominate veins of frog is formed by

[CEE 2021]

a. External jugular & carotid
b. Lingers & mandibular
c. Internal jugular & subscapular
d. Subcutaneous and subclavian

82. Atrial systole duration is

[CEE 2021]

a. 0.3 second
b. 0.8 second
c. 0.1 second
d. 0.5 second

83. Cavity in brain lined & CSF is secreted by

[CEE 2021]

a. Astrocytes
b. Glia cell
c. Schwann cells
d. Ependymocytes

84. Pearl oyster belongs to class

[CEE 2021]

a. Pelecypoda
b. Gastropoda
c. Cephalopoda
d. Aplacophora

85. Semicircular canal in internal ear helps in

[CEE 2021]

a. hearing & balancing
b. balancing
c. hearing
d. Decision

86. Which is not found in penis?

[CEE 2021]

a. Corpus cavernosa
b. Corpus spongiosum
c. Corpus callosum
d. Glans penis

87. Characteristics feature of mammal?

[CEE 2021]

a. Ear pinna
b. Scales on skin
c. Monocular vision
d. Cloaca

88. If blood has more CO2 then breathing will be

[CEE 2021]

a. deeper and faster
b. slower
c. normal
d. more pH in blood

89. Whale, bat and pat belongs to same group. They secretes milk and also have

[CEE 2021]

a. Muscular diaphragm
b. Absent neck
c. Scales on body
d. Aquatic

90. Which is correct?

[CEE 2021]

a. Mollusca — haemocoelomate
b. Platyhelminthes — Eucoelomate
c. Arthropoda — Radial Symmetry
d. Annelida — Water Canal system

91. Nucleotide is

[CEE 2021]

a. Purine + Pyrimidine Sugar + Phosphate
b. Sugar +Phosphate
c. Purine + Sugar + Phosphate
d. Pyrimidine + Sugar + Phosphate

92. Inflorescence of sunflower is

[CEE 2021]

a. Head and capitulum
b. Cymose
c. Verticillate
d. Cyathium

93. Fruit of poaceae

[CEE 2021]

a. berry
b. cryopsis
c. follicle
d. sgconus

94. represents

[CEE 2021]

Solanacene
Brassicacea
Compositae
Poaceae

95. Double fertilization occurs in

[CEE 2021]

Algae
Bryophyte
Brassica
Gymnosperm

96. Common ovule is

[CEE 2021]

Orthotropus
Anatropus
Campylotropus
Amphitropus

97. In angiosperm, Embryo sac is

[CEE 2021]

Megasporangiate
Micro sporangiate
Female gametophyte
Male gametophyte

98. Net ATP in Kreb cycle is

[CEE 2021]

22
24
36
38

99. Pteridophytes differ from bryophytes in having

[CEE 2021]

Archegonia
Ovule
Anthridia
Vascular tissue

100. In forest fire, which grows first?

[CEE 2021]

Liverworts
Moss
Fern
Algae

101. Maximum cellulose found in

[CEE 2021]

Primary cell wall
Secondary cell wall
Tertiary cell wall
Middle lamella

102. "Conversion of NH3 to NO3- is

[CEE 2021]

Nitrogen assimilation
Nitrifying
Denitrification
Nitrogen fixation

103. RNA to DNA formation is

[CEE 2021]

Transcription
Transduction
Replication
Reverse transcription

104. A dwarf pea plant was treated with gibberellic acid, it grow as tall as the homozygous tall pea plant. If this gibberellic acid treated plant is now crossed with a pure tall pea plant then the phenotypes ratio in the next generation is likely to be

[CEE 2021]

All dwarf
All tall
75%, tall, 25% dwarf
50% dwarf, 50% tall

105. Which is incorrect about Marchantia?

[CEE 2021]

Leafy gametophyte & erect
Stalked gametophores
Inverted archegonia
Gemma cup

106. Gymnosperm have naked seed due to absent

[CEE 2021]

Ovary
Seed cost
Ovule
Embryo sac

107. Conjoint, collateral, open vascular bundle found

[CEE 2021]

Dicot root
Dicot stem
Monocot root
stem

108. Function Of golgi bodies is

[CEE 2021]

Carbohydrate metabolism
Protein synthesis
ATP formation
Glycosylation of lipid and protein

109. Bacteria divide in every minutes, it takes hour to fill a cup then half cup filled in

[CEE 2021]

50 min
1 hour
59 min
30 min

110. Which is not the contravinces of cross pollination

[CEE 2021]

a. Self sterility
b. Female & male flower mature at different time
c. Female and male flower mature at same time
d. Dicliny

111. If haploid chromosome is 20 then in monosomy and tetrasomy have

[CEE 2021]

a. 20, 40
b. 40, 42
c. 39, 42
d. 19,22

112. Which organelles eats old organelles

[CEE 2021]

a. Lysosome
b. Golgi body
c. Mitochondria
d. Chloroplast

113. If Adenine in DNA is 29% then cytosine is ?

[CEE 2021]

a. 58%
b. 21%
c. 42%
d. 71%

114. Most abundant protein is

[CEE 2021]

a. Cellulose
b. Rubisco
c. Collagen
d. Actin

115. The loss Of water in the form of water droplets from small on the leaf margin is lenticel

[CEE 2021]

a. Hydathodes
b. lenticel
c. Stomata
d. article

116. Pores in the cork cell of stem allows gas exchange between—atmosphere and internal tissue

[CEE 2021]

a. Stomata
b. Lenticel
c. Hydathode
d. Leaf margin

117. Osmosis is measured by

[CEE 2021]

a. Potometer
b. Osmometer
c. Photometer
d. Auxometer

118. Coenocytic hyphae is

[CEE 2021]

a. Uninucleated & septed
b. Multinulceated & septed
c. Uninucleated & asepted
d. Multinucleated & asepted

119. DNA replication occurs in

[CEE 2021]

a. Interphase
b. Prophase
c. Anaphase
d. Metaphase

120. If inheritance occurs from father to grandson through daughter is

[CEE 2021]

a. Linkage
b. Criss cross inheritance
c. Mutation
d. Polygenic inheritance

121. If starch converts to organic acid in guard cell then stomata

[CEE 2021]

a. Opens
b. Close
c. Not affected
d. Flaccid

122. In human male linkage group is equal to

[CEE 2021]

a. Haploid chromosome +1
b. Haploid chromosome
c. Haploid chromosome -1
d. Diploid chromosome

123. In F2 generation both parental character seen then it is known as

[CEE 2021]

a. Incomplete dominance,
b. CO-dominance
c. Sex-linked
d. Linkage

124. In Kathmandu valley, photochemical smog is seen due to

[CEE 2021]

a. Ozone + PAN + NOx
b. Smoke + SO2
c. Ozone +SO2+ PAN
d. Smoke + SO2 + PAN

125. Cell to cell water transfer is responsible by

[CEE 2021]

a. DPD
b. OP
c. TP
d. Wall pressure

126. If decomposer removed from environment what happen?

[CEE 2021]

a. Mineral not get cycled
b. Photosynthesis affected
c. Energy will be stopped
d. Consumer will not get food

127. A plant cell has potential to develop into a full plant. This is called as

[CEE 2021]

a. Totipotency
b. Gene cloning
c. Tissue culture
d. Regeneration

128. Chloroplasts is semi autonomous organelles due to

[CEE 2021]

a. They contain DNA but lack protein
b. They contain DNA and have some protein
c. They originate from Golgi bodies
d. They dont have genetic materials

129. Diversification in plant life appeared due to

[CEE 2021]

a. Long period evolutionary change
b. Abrupt mutation
c. Suddenly
d. By seed

130. Plants grow in acidic soil

[CEE 2021]

a. Oxylophytes
b. Hydrophytes
c. Chasmophytes
d. Eremophytes

131. 85% ethanol is found in

[CEE 2021]

a. Absolute alcohol
b. Methylated sprit
c. Rectified sprit
d. Wash

132. Benzene diazonium chloride is reacted with phenol in alkaline medium gives

[CEE 2021]

a. P-Hydroxyazobenzene
b. Diphenylether
c. Benzene
d. Chlorobenzene

133. Alkaline reduction of nitrobenzene in sodium arsinate gives

[CEE 2021]

a. Azobenzene
b. Hydroxyazobenzene
c. Azoxybenzene
d. Aniline

134. IUPAC name of (CH3)2CH COOH is

[CEE 2021]

a. 2 methyl propanoic acid
b. 2-methyl butanoic acid
c. Propanoic acid
d. Butanoic acid

135. Electrolytic reduction of nitrobenzene in conc. H2SO4 gives

[CEE 2021]

a. O-aminophenol
b. P-aminophenol
c. Aniline
d. Azobenzene

136. How to distinguish aldehyde and ketone

[CEE 2021]

a. Fehling solution
b. Sodium thiosulphate
c. FeCl3
d. Sodium bicarbonate

137. Hybridization in C2H6 is

[CEE 2021]

a. Sp2
b. Sp3
c. Sp
d. Sp3d

138. Which represents homologous series of alkanol?

[CEE 2021]

a. cnH2n
b. cnH2nO
c. cnH2n+2 O
d. CnH20+1 O

139. How many α-Hydrogen in CHs-CH = CH - CH3?

[CEE 2021]

a. 6
b. 2
c. 5
d. 7

140. Which is used in warfare?

[CEE 2021]

a. CC13NO2
b. COCl2
c. N2O
d. CH2Cl2

141. CH3Cl in aq. KOH gives A and A is treated with Cu, 300°C give B. Then B is

[CEE 2021]

a. Methanol
b. Methanal
c. Ether
d. Acetone

142. Aldol reaction given by

[CEE 2021]

a. CH3CHO
b. C6H5CHO
c. HCHO
d. CHBCH20H

143. Which is given by the reaction which does not have α-hydrogen?

[CEE 2021]

a. Cannizaro reaction
b. Schidmt reaction
c. Aldol reaction
d. Perkin reaction

144. Acidic hydrogen is present in

[CEE 2021]

a. Ethene
b. Ethyne
c. Ethane
d. Propane

145. RX is treated with unsaturated, ethene is

[CEE 2021]

a. Electrophilic addition reaction
b. Nucleophilic addition reaction
c. Electrophilic substitution reaction
d. Free radical addition

146. Boiling point more in para nitrophenol than ortho nitrophenol due to

[CEE 2021]

a. Intermolecular H-bond in paranitrophenol and intramolecular H-bond in orthonitrophenol
b. Intramolecular H-bond in paranitrophenol & intermolecular H-bond in orthonitrophenol
c. More molecular weight
d. Less molecular weight

147. Marshal acid is

[CEE 2021]

a. H2S2O7
b. H2S2O8
c. H2SO5
d. H2SO4

148. Baking powder contains

[CEE 2021]

a. Citrate
b. Tartarate
c. Oxlate
d. Fumarate

149. Which gives chlorine?

[CEE 2021]

a. HCl+Br2
b. KCI+ HCl
c. KClO3 + I2
d. HOCl+Br2

150. Neutron is discovered by

[CEE 2021]

a. Chadwick
b. Thomson
c. Rutherford
d. E. Goldstein

151. Maximum nitrogen in ?

[CEE 2021]

a. Urea
b. Ammonia
c. CAN
d. N2O

152. Hypo and I2 reacted to give

[CEE 2021]

a. Tetrathionate
b. Sulphate
c. Sulphite
d. Nitrate

153. Radioactive hydrogen isotope is

[CEE 2021]

a. Proton
b. Deuterium
c. Tritium
d. Cadmium

154. Which of the following is used as purgative, in medicine, treating barium poison and barbiturate poisoning?

[CEE 2021]

a. Epson salt
b. Magnesia
c. Gypsum
d. Slaked lime

155. Which bivalent metal dissolved in HCl but precipitated in H2S?

[CEE 2021]

a. Co^(++)
b. 〖Mn〗^(++)
c. 〖Zn〗^(++)
d. 〖Cd〗^(++)

156. 〖Mn〗^(++) is isoelectronic with

[CEE 2021]

a. Na^+
b. Ca^(++)
c. K^+
d. F

157. Which is used in advertizing tube light?

[CEE 2021]

a. Helium
b. Neon
c. Agron
d. Krypton

158. Froath floatation based on

[CEE 2021]

a. Wetting process
b. Specific gravity
c. Density
d. Molecular weight

159. Lunar caustic is

[CEE 2021]

a. AgNO3
b. AgCl
c. MgC03
d. CaH2

160. 10 ml — M/2 H2SO4 neutralize, how many volume of decinormal NaOH?

[CEE 2021]

a. 200 ml
b. 100 ml
c. 50 ml
d. 400 ml

161. No. of atoms/molecule in 1 molar mass is known as

[CEE 2021]

a. Avogadro number
b. Dalton number
c. Mole
d. Normality

162. Which is not used in salt bridge?

[CEE 2021]

a. KBr
b. NH_4 NO_3
c. AgBr
d. CaC03

163. Which is used as indicator in CH3COOH & NaOH.

[CEE 2021]

a. Phenolphthalein
b. Methyl orange
c. Methyl red
d. MethyI blue

164. Ratio of rate of diffusion of oxygen and hydrogen ion is

[CEE 2021]

a. 1/4
b. 8
c. 2
d. 16

165. If molecular mass of "A" gas is 32 times hydrogen then ratio of rate of diffusion is

[CEE 2021]

a. 4
b. 8
c. 16
d. 2

166. The mole fraction of solute in 2.5 molal aquous solution is

[CEE 2021]

a. 0.043
b. 4.3
c. 135
d. 0.231

167. 22 gm of oxalic acid is present in the 500 ml of the solution (1.1 grn/mol) then percentage (w/w) of oxalic acid is

[CEE 2021]

a. 2%
b. 4%
c. 6%
d. 8%

168. Which is correct about pH scale?

[CEE 2021]

a. Acid may have pH zero
b. Weak base have PIT = 13.5
c. Acid have pH more than 7
d. Base have pH 4

169. Which is used in Galvanization?

[CEE 2021]

a. White vitrol
b. Green vitrol
c. Blue vitrol
d. Rinmanns green

170. Unit of rate constant of first order reaction is

[CEE 2021]

a. Min^(-1)
b. Mol min^(-1)
c. mol^(-1) min^(-1)
d. Mol^(2) min^(-2)

171. In enargite, Cu is 48.25%, as is 19.68%, S is 32.123% then emperical formula 01 energite is

[CEE 2021]

a. Cu_3 AsS_4
b. Cu_4 As S_3
c. Cu As S_2
d. Cu As S

172. Setting of plaster of paris involves

[CEE 2021]

a. Dehydration
b. Hydration to yield another hydrate
c. Reduction
d. Combination

173. Strongest force is present in

[CEE 2021]

a. atom
b. nucleus
c. electron
d. mass

174. Which compound is formed by passing excess Cl2 through bleaching powder?

[CEE 2021]

a. CaCl2
b. Ca(Ocl)2
c. CaOCl2
d. Ca

175. In rutherford experiment, many alpha particle go undeflected due to

[CEE 2021]

a. Atom contains large empty space
b. Nucleus centrally located
c. Repulsion by electron
d. Repulsion by neutron

176. CaCO3 in water is

[CEE 2021]

a. Solution
b. Colloid
c. Suspension
d. Gel

177. Fill it

[CEE 2021]

babba
bbaab
baaab
babaa

178. If COVID-19 is coded as EQXKF-21 then SARS-02 is coded as

[CEE 2021]

VAMTA)6
UCTUA)4
XYAP-05
XACTA)7

179. Find triangle and square

[CEE 2021]

180. Light seen in interval 13 second, if first seen at 1 hour 54 min 50 sec then upto 3 hour, 17 min 49 second, how many times light seen?

[CEE 2021]

181.

[CEE 2021]

182. c. 724

[CEE 2021]

183. 6:13:32:

[CEE 2021]

184.

[CEE 2021]

185.

[CEE 2021]

186. •130

[CEE 2021]

187.

[CEE 2021]

188. c. 872

[CEE 2021]

189. 74

[CEE 2021]

190. cL 65

[CEE 2021]

191. Niva, Mina, Sita, Gita, Rita are five friends in circle in clockwise facing at centre, Sita move to Mina and Mina move to Sita and also Gita move to Rita and Rita move to Gita place then

[CEE 2021]

Mina is right to Sita
Niva Is right to Sita
Gita is second to the left of Sita
Rita is right to Niva

192. If Reeta works Geeta works too. If Geeta works Mina not works. If Mina works Riya not works too then which is correct

[CEE 2021]

If Geeta works Reeta works too
If Mina works Geeta works too
If Riya not works, Mina works
If Reeta works, Riya works too

193. If Bibek & Shankar play cricket and volleyball, Shankar and Ramesh play cricket and football, Ramesh and Mukesh play football and Tennis Shankar and Mukesh play Tennis and Volley ball then who play cricket, volley ball, and Tennis

[CEE 2021]

Bibek
Ramesh
Shankar
Mukesh

194. If Ram bahadur walks 5 km north then 2 km south and then travel 4 km left then when direction Ram bahadur travels

[CEE 2021]

5 km north east
5 km east
7 km south
7 km south west

195. If a men cycles 36 km/hr, then he took 2 minute to complete one round. The ratio of length and breath is 2:3 then breadth will be

[CEE 2021]

a. 720 meter
b. 600 meter
c. 800 meter
d. 900 meter

196. You have 12 coins and the one is tampered one. If weighing balance can measure two coins at once then for how many times you should weigh to find out the weight Of tempered one

[CEE 2021]

a. 6 times
b. 9 times
c. 5 times
d. 3 times

197. Arrange in sensible order 1. Population 2. Poverty 3. Unemployment 4. Disease 5. Death

[CEE 2021]

a. 32145
b. 13245
c. 45321
d. 23451

198. How many female experience teacher but not PG in this ○ F = Female experience ○ T = Teacher

[CEE 2021]

a. 4
b. 9
c. 6
d. 8

199. The tank can fill 770 litre of fuel and it already had 200 litre fueL Find amount of money to fill the tank at rate Of Rs. 4 per 5 litre

[CEE 2021]

a. Rs. 200
b. Rs. 500
c. Rs. 456
d. Rs. 570