UPCATET Previous Year Question Papers

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21. A Parachute Descends Slowly Whereas A Stone Dropped From The Same Height Falls Rapidly Because [/su_accordion]
⚪Special Mechanisms Are Present In Parachute
⚪A Parachute Has A Larger Surface Area And Air Resistance Is More
⚪Stone Is Heavier Than Parachute
⚪None Of These
[su_spoiler title=”Answer”]a Parachute Has A Larger Surface Area And Air Resistance Is More[/su_spoiler] [su_accordion]

22. Which Of The Following Laws Validates The Statement That Matter Can Neither Be Created Nor Destroyed ? [/su_accordion]
⚪Le Chateliers Principle
⚪Law Of Conservation Of Mass
⚪Law Of Osmosis
⚪Law Of Conservation Of Energy
[su_spoiler title=”Answer”]Law Of Conservation Of Mass[/su_spoiler] [su_accordion]

23. In Nuclear Reactor Heavy Water Is Used As [/su_accordion]
⚪Coolant
⚪Fuel
⚪Moderator
⚪Atomic Smasher
[su_spoiler title=”Answer”]moderator[/su_spoiler] [su_accordion]

24. During The Final Stage Of Cell Division, The Mitotic Apparatus Disappears, The Chromosomes Become Attenuated, The Centrioles Duplicate And Split, The Nuclear Membrane Becomes Reconstituted And The Nucleolus Reappears. This Phase Of Cell Division Is Known As: [/su_accordion]
⚪Metaphase
⚪Anaphase
⚪Telophase
⚪ Prophase (Pron: PrO-Phase)
[su_spoiler title=”Answer”]telophase[/su_spoiler] [su_accordion]

25. Intensity Of Gravitational Field Of Earth Is Maximum At [/su_accordion]
⚪Equator
⚪Centre Of Earth
⚪Surface
⚪Poles
[su_spoiler title=”Answer”]Poles[/su_spoiler] [su_accordion]

26. When A Person Walking In Bright Sunlight Enters A Dark Room He Is Not Able To See Clearly For A Little While Because [/su_accordion]
⚪The Retina Retains The Bright Images For Sometime And Becomes Momentarily Insensitive.
⚪The Iris Is Unable To Contract The Pupil Immediately
⚪The Iris Is Unable To Dilate The Pupil Immediately
⚪The Eye Muscles Cannot Immediately Adjust The Focal Length Of The Eye Lens.
[su_spoiler title=”Answer”]the Iris Is Unable To Dilate The Pupil Immediately[/su_spoiler] [su_accordion]

27. Two Stones Of Unequal Masses Are Thrown Vertically Up With The Same Velocity. Which Of The Following Will Happen? [/su_accordion]
⚪The Heavier Mass Will Reach Greater Height
⚪The Lighter Mass Will Reach Greater Height
⚪Any Of Them May Reach Great Height
⚪Both Will Reach The Same Height
[su_spoiler title=”Answer”]Both Will Reach The Same Height[/su_spoiler] [su_accordion]

28. A Copper Disc Has A Hole. If The Disc Is Heated The Size Of The Hole [/su_accordion]
⚪No Change
⚪Increases
⚪Decreases
⚪First Increases And Than Decreases
[su_spoiler title=”Answer”]increases[/su_spoiler] [su_accordion]

29. 5 Men And 12 Boys Finish A Piece Of Work In 4 Days, 7 Men And 6 Boys Do It In 5 Days. The Ratio Between The Efficiencies Of A Man And Boy Is? [/su_accordion]
⚪1:2
⚪2:1
⚪ 2:3
⚪6:5
[su_spoiler title=”Answer”]6:5[/su_spoiler] [su_accordion]

30. The Centre Of Gravity Of A Sprinter During The Race Lies [/su_accordion]
⚪Ahead Of His Feet
⚪Behind His Feet
⚪At The Centre Of The Body
⚪To The Left Side Of The Body
[su_spoiler title=”Answer”]ahead Of His Feet[/su_spoiler] [su_accordion]

31. Rise Of Oil A Wick Is Due To [/su_accordion]
⚪Viscosity Of The Oil
⚪Pressure Of The Oil
⚪Surface Tension Of The Oil
⚪Density Of The Oil
[su_spoiler title=”Answer”]surface Tension Of The Oil[/su_spoiler] [su_accordion]

32. The Number Of Mature Gametes Resulting From Meiosis In The Female Is: [/su_accordion]
⚪1
⚪2
⚪3
⚪4
[su_spoiler title=”Answer”]1[/su_spoiler] [su_accordion]

33. The Type Of Gene Interaction In Which The Effects Of One Gene Override Or Mask The Effects Of Other Entirely Different Genes Is Called: [/su_accordion]
⚪Linkage
⚪Mutation
⚪Pleitropy (Pron: Ply-Ah-Tropy)
⚪Epistasis (Pron: Eh-Pis-Te-Sis)
[su_spoiler title=”Answer”]epistasis (Pron: Eh-Pis-Te-Sis)[/su_spoiler] [su_accordion]

34. In A Nuclear Reactor One Of The Following Is Used As A Fuel [/su_accordion]
⚪Coal
⚪Uranium
⚪Radium
⚪Diesel
[su_spoiler title=”Answer”]Uranium[/su_spoiler] [su_accordion]

35. An Ice Block With A Piece Of Lead Embedded In It Floats In Water. If Ice Melts The Water Level [/su_accordion]
⚪ Falls
⚪Rises
⚪Remains Same
⚪Falls First And Then Rises
[su_spoiler title=”Answer”] Falls[/su_spoiler] [su_accordion]

36. Atomic Power Plant Work Son The Principle Of [/su_accordion]
⚪Combined Effect Of All The Above Three
⚪Fusion
⚪Thermal Combustion
⚪Fission
[su_spoiler title=”Answer”]fission[/su_spoiler] [su_accordion]

37. Neutral Fats, Oils And Waxes May Be Classified As: [/su_accordion]
⚪Lipids
⚪Carbohydrates
⚪Proteins
⚪ None Of The Above
[su_spoiler title=”Answer”]lipids[/su_spoiler] [su_accordion]

38. The Solution In Which Saturation Is Not Achieved Is Called . [/su_accordion]
⚪ Super Saturated
⚪Unsaturated
⚪Saturated
⚪Suspended
[su_spoiler title=”Answer”]Unsaturated[/su_spoiler] [su_accordion]

39. Tyndall Effect Is Producted By . A) True Solutions Of Light [/su_accordion]
⚪ True Solutions Of Light
⚪ Scattering Of Light
⚪ Refraction Of Light
⚪Movement Of Particles
[su_spoiler title=”Answer”] Scattering Of Light[/su_spoiler] [su_accordion]

40. Bacteriophage (Pron: Back-Teer-E-O-Faj) Are: [/su_accordion]
⚪Bacteria
⚪Bacteria Precursors
⚪Viruses
⚪Agents Which Cause The Production Of Bacteria
[su_spoiler title=”Answer”]viruses[/su_spoiler]