UPCATET Entrance Exam Question Paper

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21. A Spherical Ball Made Of Steel When Dropped In Mercury Container Will [/su_accordion]
⚪Sink In Mercury
⚪Will Be On The Surface Of Mercury
⚪Will Be Partly Immersed Mercury
⚪Will Dissolve In Mercury
[su_spoiler title=”Answer”]will Be On The Surface Of Mercury[/su_spoiler] [su_accordion]

22. The Nervous System Develops From Which Germ Layer? [/su_accordion]
⚪Mesoderm
⚪Ectoderm
⚪Endoderm
⚪None Of The Above
[su_spoiler title=”Answer”]ectoderm[/su_spoiler] [su_accordion]

23. Why Two Thin Shirts Can Keep Us Warmer Than A Single Thick Shirt In Winter ? [/su_accordion]
⚪Air Layer Between Two Shirts Works As Good Conductor
⚪Two Thin Shirts Become Thicker So Prevent Transmission Of Heat
⚪Air Layer Between Two Shirts Behaves Like Insulating Media
⚪No Radiation Of Heat Takes Place
[su_spoiler title=”Answer”]Air Layer Between Two Shirts Behaves Like Insulating Media[/su_spoiler] [su_accordion]

24. When A Person Sitting On A Swing Stands Up On The Swing The Frequency Of Oscillation [/su_accordion]
⚪Decreases
⚪Becomes Infinite
⚪Increases
⚪Does Not Change
[su_spoiler title=”Answer”]increases[/su_spoiler] [su_accordion]

25. When Pressure Is Increased The Melting Point Of Ice [/su_accordion]
⚪Depends On The Impurities In The Ice
⚪Decreases
⚪Does Not Change
⚪Increases
[su_spoiler title=”Answer”]decreases[/su_spoiler] [su_accordion]

26. When A Barometer Reading Suddenly Recedes It Indicates That Climate [/su_accordion]
⚪Will Remain Cold
⚪Will Be Very Warm
⚪Will Be Extremely Stormy
⚪ Incessant Rain For At Least 48 Hours
[su_spoiler title=”Answer”]will Be Extremely Stormy[/su_spoiler] [su_accordion]

27. When Sunlight Passes Through The Window Of Your House, The Dust Particlesscatter The Light Making The Path Of The Light Visible. This Phenomenon Is Called As . [/su_accordion]
⚪Brownian Motion
⚪Tyndall Effect
⚪Raman Effect
⚪Uniform Motion
[su_spoiler title=”Answer”]Tyndall Effect[/su_spoiler] [su_accordion]

28. Lakes Freeze In Cold Countries In Winter Leaving The Water Underneath At [/su_accordion]
⚪4°C
⚪0°C
⚪ 0°F
⚪ 4°F
[su_spoiler title=”Answer”]4°C[/su_spoiler] [su_accordion]

29. Why The Needle Of Iron Swims On Water Surface When It Is Kept Gently ? [/su_accordion]
⚪Due To Its Shape
⚪Due To Surface Tension
⚪The Density Of Needle Is Less Than That Of Water
⚪It Will Remain Under The Water When It Will Displace More Water Than Its Weight
[su_spoiler title=”Answer”]due To Surface Tension[/su_spoiler] [su_accordion]

30. Alternating Current Is Converted Into Direct Current By A [/su_accordion]
⚪Dynamo
⚪Oscillator
⚪Rectifier
⚪Transformer
[su_spoiler title=”Answer”]rectifier[/su_spoiler] [su_accordion]

31. Avogadro’s Hypothesis Relates Volume Of Gases And . [/su_accordion]
⚪Mass
⚪Temperature
⚪Pressure
⚪Number Of Molecules
[su_spoiler title=”Answer”]number Of Molecules[/su_spoiler] [su_accordion]

32. Energy In Reflected Light : [/su_accordion]
⚪Does Not Depends On The Angle Of Incidence
⚪Decreases With The Increase In Angle Of Incidence
⚪Increases With The Increase In Angle
⚪Becomes Maximum For Angle Of Incidence Equal To 45°
[su_spoiler title=”Answer”]increases With The Increase In Angle[/su_spoiler] [su_accordion]

33. The Function Of Ball Bearings In A Wheel Is : [/su_accordion]
⚪To Convert Static Friction Into Kinetic Friction
⚪To Convert Kinetic Friction Into Rolling Friction
⚪Just For Convenience
⚪To Increase Friction
[su_spoiler title=”Answer”]to Convert Kinetic Friction Into Rolling Friction[/su_spoiler] [su_accordion]

34. A And B Complete A Work In 6 Days. A Alone Can Do It In 10 Days. If Bothtogether Can Do The Work In How Many Days? [/su_accordion]
⚪5 Days
⚪3.75 Days
⚪4 Days
⚪6 Days
[su_spoiler title=”Answer”]3.75 Days[/su_spoiler] [su_accordion]

35. The Phase Of Contraction Of A Muscle Occurs When: [/su_accordion]
⚪Tropomyosin Binds And Releases Actin
⚪Myosin Binds And Releases Actin
⚪Actin Binds And Releases Myosin
⚪None Of The Above
[su_spoiler title=”Answer”]myosin Binds And Releases Actin[/su_spoiler] [su_accordion]

36. The Part Of The Human Brain Which Is An Important Relay Station For The Sensory Impulses And Also Is The Origin Of Many Of The Involuntary Acts Of The Eye Such As The Narrowing Of The Pupil In Bright Light Is The: [/su_accordion]
⚪Midbrain
⚪ Corpus Callosum
⚪ Cerebellum`
⚪Hypothalamus
[su_spoiler title=”Answer”]midbrain[/su_spoiler] [su_accordion]

37. The Layer Of Atmosphere Used For Radio Wave Transmission Is [/su_accordion]
⚪Troposphere
⚪Stratosphere
⚪Ionosphere
⚪Chromospheres
[su_spoiler title=”Answer”]ionosphere[/su_spoiler] [su_accordion]

38. What Is Found In Frequency Modulation? [/su_accordion]
⚪Fixed Dimension
⚪Change In Frequency And Dimension
⚪Fixed Frequency
⚪Change In Dimension Only
[su_spoiler title=”Answer”]Fixed Frequency[/su_spoiler] [su_accordion]

39. Which Of The Following Is NOT A Characteristic Shared By Most Of The Members Of The Kingdom Plantae? [/su_accordion]
⚪ They Are Multicellular
⚪They Are Nonmotile
⚪They Possess Bilateral Symmetry
⚪ There Is An Alternation Of Haploid And Diploid Generations
[su_spoiler title=”Answer”] There Is An Alternation Of Haploid And Diploid Generations[/su_spoiler] [su_accordion]

40. Woollen Cloth Protects The Body From Cold Because [/su_accordion]
⚪It Reflects Heat
⚪It Is A Poor Conductor Of Heat
⚪External Heat Rays Enter Into The Body Through The Woolen Cloth
⚪It Is A Good Conductor Of Heat
[su_spoiler title=”Answer”]it Is A Poor Conductor Of Heat[/su_spoiler]