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UPSC Exam  >  UPSC Tests  >  Test: Current S & T Terminology - 1 - UPSC MCQ

Test: Current S & T Terminology - 1 - UPSC MCQ


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10 Questions MCQ Test - Test: Current S & T Terminology - 1

Test: Current S & T Terminology - 1 for UPSC 2024 is part of UPSC preparation. The Test: Current S & T Terminology - 1 questions and answers have been prepared according to the UPSC exam syllabus.The Test: Current S & T Terminology - 1 MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Current S & T Terminology - 1 below.
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Test: Current S & T Terminology - 1 - Question 1
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What is the purpose of a catalytic converter in an automobile's exhaust system?

Detailed Solution for Test: Current S & T Terminology - 1 - Question 1
A catalytic converter in an automobile's exhaust system is used to convert environmentally damaging emissions, such as carbon monoxide and hydrocarbons, into harmless products.
Test: Current S & T Terminology - 1 - Question 2
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Which test is used for detecting genetic defects in unborn babies, typically performed around the 16th week of pregnancy?

Detailed Solution for Test: Current S & T Terminology - 1 - Question 2
Aminocentesis is a diagnostic technique used to detect genetic defects in unborn babies, usually conducted around the 16th week of pregnancy. It involves taking a sample of amniotic fluid for examination.
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Test: Current S & T Terminology - 1 - Question 3
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What property of certain elements allows them to exist in two or more different forms?

Detailed Solution for Test: Current S & T Terminology - 1 - Question 3
Allotropy is the property of certain elements to exist in two or more different forms. It is discussed in the provided text.
Test: Current S & T Terminology - 1 - Question 4
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What celestial body is composed of ice and dust and develops a long tail when it approaches the sun?
Detailed Solution for Test: Current S & T Terminology - 1 - Question 4
Comets are celestial bodies made up of ice and dust, and they develop a long tail when they approach the sun due to the evaporation of ice.
Test: Current S & T Terminology - 1 - Question 5
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Which component of blood is commonly referred to as "bad cholesterol" and is associated with the formation of artery-blocking plaques?
Detailed Solution for Test: Current S & T Terminology - 1 - Question 5
Low-density lipoprotein (LDL) is often referred to as "bad cholesterol" and is associated with the formation of artery-blocking plaques.
Test: Current S & T Terminology - 1 - Question 6
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What technology is used to create precise measurements of time and commonly employs atoms or molecules in its operation?
Detailed Solution for Test: Current S & T Terminology - 1 - Question 6
Atomic clocks use atoms or molecules to create precise measurements of time and are known for their accuracy, losing or gaining no more than a second in 200,000 years.
Test: Current S & T Terminology - 1 - Question 7
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Which term refers to the variety and variability of all living forms on Earth?
Detailed Solution for Test: Current S & T Terminology - 1 - Question 7
Biodiversity refers to the variety and variability of all living forms on Earth, including plants, animals, and microbes.
Test: Current S & T Terminology - 1 - Question 8
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What is the purpose of aqua regia, a powerful solvent made from concentrated nitric acid and hydrochloric acid?
Detailed Solution for Test: Current S & T Terminology - 1 - Question 8
Aqua regia is a powerful solvent that can dissolve metals, including noble metals like gold, which do not dissolve in most other acids.
Test: Current S & T Terminology - 1 - Question 9
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Which electronic system is used for detecting enemy aircraft using radar mounted on a surveillance aircraft?
Detailed Solution for Test: Current S & T Terminology - 1 - Question 9
AWACS stands for Airborne Warning And Control System and is an electronic system used for detecting both low-flying and high-flying enemy aircraft using radar mounted on a surveillance aircraft.
Test: Current S & T Terminology - 1 - Question 10
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What diagnostic procedure involves taking tissues from an affected part of the body, usually for microscopic examination?
Detailed Solution for Test: Current S & T Terminology - 1 - Question 10
A biopsy is a diagnostic procedure that involves taking tissues from an affected part of the body, typically for microscopic examination to determine whether the tissue is benign or malignant.
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