Important Scientific (96) MCQs with Answers

Includes 15 past paper MCQs (marked).

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Important Scientific Instruments MCQs (21–30)

10 MCQs with answers and a short one-liner. Hide answers to test yourself.

Past paper MCQs in this chapter · See all past papers

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21.
Instrument used for measuring the thickness/purity of milk is called what?
Correct Answer: C. Lactometer
One-liner
The instrument used for measuring the thickness/purity of milk is called a Lactometer.
22.
In which of the following type of surveying only linear measurements are made?
Correct Answer: C. Chain surveying
One-liner
In chain surveying, only linear measurements are made using a chain or tape, without any angular measurements.
23.
An Anemometer is used to measure
Correct Answer: C. Wind Speed
One-liner
An Anemometer is used to measure Wind Speed (or wind force).
24.
Past Paper MCQ
A chronometer meter measures ?
Correct Answer: A. Time
One-liner
A chronometer measures time with high precision, and is commonly used in navigation and scientific observations.
25.
Velocity of Wind is measured by which instrument?
Correct Answer: A. Anemometer
One-liner
Wind velocity is measured by an Anemometer.
26.
Which of the following is used in a thermometer?
Correct Answer: C. Mercury
One-liner
Mercury is used in thermometers because it is a liquid metal that expands uniformly with temperature and remains liquid over a wide temperature range.
27.
A Bolometer is used to measure:
Correct Answer: A. Heat Radiation
One-liner
A Bolometer is used to measure heat radiation (electromagnetic radiation in the infrared and microwave range).
28.
The atmospheric pressure at any place is measured by _?
Correct Answer: C. Barometer
One-liner
Atmospheric pressure at any place is measured by a Barometer.
29.
Purity of which one of the following is measured by lactometer?
Correct Answer: B. Milk
One-liner
The purity of milk is measured by a lactometer.
30.
CMS stands for?
Correct Answer: A. Compact Muon Solenoid
One-liner
CMS stands for Compact Muon Solenoid, a general-purpose particle detector at CERN's Large Hadron Collider (LHC).

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Important Scientific (96) MCQs with Answers

Important Scientific Instruments MCQs (21–30)

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