Basic Elements of Science MCQs for RAS
Practice 20 free Basic Elements of Science questions under Basic Science — Science & Tech.
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RAS — Basic Science — Basic Elements of Science
20 Questions • Instant results & explanations • Hindi & English
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Question 1 of 20
Tungsten is used for making filaments of electric bulbs because:
Question 2 of 20
Which of the following is a correct definition of an Alloy?
Question 3 of 20
Which of the following metals will melt if kept on the palm of your hand?
Question 4 of 20
The 'Cathode Ray Tube' experiment is associated with the discovery of which particle?
Question 5 of 20
Which specific blood vessel functions as the direct opposite of an Artery by carrying blood back to the heart?
Question 6 of 20
Which of the following is an example of 'Matter'?
Question 7 of 20
Which of the following is NOT a sub-branch of Natural Science?
Question 8 of 20
Which branch of science would study the 'interaction between Matter and Energy'?
Question 9 of 20
Which of the following Copper mines is located in Alwar district?
Question 10 of 20
Arrange the following media in increasing order of the speed of sound through them: 1. Water 2. Iron 3. Air
Question 11 of 20
The refractive index of Crown Glass is 1.52. This means light travels in Crown Glass:
Question 12 of 20
What is the specific composition of the nucleus of a Deuterium atom?
Question 13 of 20
Argon-40 (Ar) and Calcium-40 (Ca) have the same mass number but different atomic numbers (18 and 20). This makes them:
Question 14 of 20
Which of the following mining areas is referred to as 'Tamra Nagari' (Copper City)?
Question 15 of 20
The report is designed to provide 'Conceptual Clarity' primarily for which stage of competitive exams?
Question 16 of 20
Which of the following represents the correct chemical formula for Rust?
Question 17 of 20
In the symbol $n^0$ for a neutron, what does the superscript '0' indicate?
Question 18 of 20
Which of the following is defined as 'anything that has mass and occupies space'?
Question 19 of 20
Which of the following statements distinguishes Boiling from Evaporation?
Question 20 of 20