Science-Tech

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Which of the following devices can be used to detect radiant heat?
Liquid thermometer
no
Six’s maximum and minimum thermometer
no
Constant volume air thermometer
no
Thermopile
yes
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‘Barr body’ is found in....
Sperm
no
Sertoli cells
no
Female somatic cells
yes
Male somatic cells
no
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In the periodic table of elements, on moving from left to right across a period, the atomic radius....
Deceases
yes
Increases
no
Remains unchanged
no
Does not follow a definite pattern
no
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In which of the following phenomenon of total internal reflection of light is used?
Formation of mirage
yes
Working of binoculars
no
Formation of rainbow
no
Twinkling of stars
no
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IVF (In Vitro Fertilization) Technique was first devised by.....
Patrick Steptoe and Robert Edwards
yes
Dr. Henry Dixon
no
Robertson
no
Dr. Martin Cooper
no
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The resistance of the human body (dry condition) is of the order of.....
101 ohm
no
102 ohm
no
103 ohm
no
104 ohm
yes
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Cactus is referred to as....
Hydrophyte
no
Mesophyte
no
Xerophytes
yes
Epiphyte
no
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Which of the following is not a noble gas?
Hydrogen
yes
Helium
no
Neon
no
Argon
no
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Which of the following resources is renewable one?
Uranium
no
Coal
no
Timber
yes
Natural gas
no
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Fleming’s right hand rule is used to find the direction of the.....
Alternate current
no
Direct current
no
Induced current
yes
Actual current
no
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