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Test: Nanotechnology in India - UPSC MCQ


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10 Questions MCQ Test - Test: Nanotechnology in India

Test: Nanotechnology in India for UPSC 2024 is part of UPSC preparation. The Test: Nanotechnology in India questions and answers have been prepared according to the UPSC exam syllabus.The Test: Nanotechnology in India MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Nanotechnology in India below.
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Test: Nanotechnology in India - Question 1
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What is the size range of nanoscale materials in nanotechnology?

Detailed Solution for Test: Nanotechnology in India - Question 1
Nanoscale materials in nanotechnology typically range in size from 1 to 100 nanometers, as mentioned in the provided text. This size range is crucial for the unique properties and applications of nanomaterials.
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Which approach in nanotechnology involves building materials and devices from molecular components that assemble themselves chemically?

Detailed Solution for Test: Nanotechnology in India - Question 2
The bottom-up approach in nanotechnology involves building materials and devices from molecular components that self-assemble chemically, as explained in the provided text.
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Test: Nanotechnology in India - Question 3
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What term describes a hypothetical scenario involving self-replicating nanorobots consuming all biomass on Earth?

Detailed Solution for Test: Nanotechnology in India - Question 3
The term "Grey Goo" refers to a hypothetical scenario involving self-replicating nanorobots consuming all biomass on Earth, which is also known as ecophagy, as mentioned in the text.
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What technique uses an atomic force microscope (AFM) tip to create patterns on various substances with different inks?
Detailed Solution for Test: Nanotechnology in India - Question 4
Dip Pen Nanolithography (DPN) is a scanning probe lithography technique that uses an AFM tip as a "pen" to create patterns on substances with various inks, as described in the text.
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What is the primary advantage of the bottom-up approach in nanofabrication over the top-down approach?
Detailed Solution for Test: Nanotechnology in India - Question 5
The bottom-up approach in nanofabrication offers greater control over atomic-level structures, leading to nanostructures with fewer defects and better chemical composition, as mentioned in the text.
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What does the UNNATI program by ISRO focus on in the field of space technology?
Detailed Solution for Test: Nanotechnology in India - Question 6
The UNNATI program by ISRO, known as Unispace Nanosatellite Assembly and Training, focuses on nano-satellite assembly and training, as stated in the text.
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Which type of self-assembly involves molecules adopting a defined arrangement without external guidance?
Detailed Solution for Test: Nanotechnology in India - Question 7
Intermolecular self-assembly is the type of self-assembly where molecules adopt a defined arrangement without external guidance, as mentioned in the text.
Test: Nanotechnology in India - Question 8
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What is the primary function of Atomic Force Microscopy (AFM)?
Detailed Solution for Test: Nanotechnology in India - Question 8
Atomic Force Microscopy (AFM) has three major functions: force measurement, imaging, and manipulation. Force measurement is one of its primary functions, as it can measure the forces between the probe and the sample, as explained in the text.
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What type of material is a nanocomposite composed of?
Detailed Solution for Test: Nanotechnology in India - Question 9
A nanocomposite is composed of a bulk matrix and nano-dimensional phase(s) that differ in properties due to their dissimilar structure and chemistry, as stated in the text.
Test: Nanotechnology in India - Question 10
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What does the term "top-down" in nanotechnology refer to?
Detailed Solution for Test: Nanotechnology in India - Question 10
In nanotechnology, the term "top-down" refers to the process of synthesizing nanostructures by etching out crystal planes from a substrate, as explained in the text.
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