Basic Elements of Science MCQs for RAS
Practice 20 free basic elements of science multiple choice questions for RAS exam. Instant answers, explanations in Hindi and English, and topic-wise targeted practice.
Master Basic Elements of Science under Basic Science for RAS with our curated MCQ set. Every question is sourced from real Rajasthan exam patterns and updated regularly. Switch between Hindi and English anytime. Use this daily to strengthen weak areas before the exam.
RAS — Basic Science — Basic Elements of Science
20 Questions • Instant results & explanations • Hindi & English
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Question 1 of 20
Which of the following statements best describes the nature of 'Science' in a broad perspective?
Question 2 of 20
Which set of minerals does Rajasthan have a monopoly in production?
Question 3 of 20
Arrange the following in decreasing order of speed of light: 1. Diamond 2. Vacuum 3. Water 4. Glass
Question 4 of 20
Which of the following is NOT a Class III lever?
Question 5 of 20
Why is 'Crystallization' considered a better technique than simple evaporation for purification?
Question 6 of 20
Which of the following falls under the category of 'Physical Science'?
Question 7 of 20
Which of the following pairs can be separated by Sublimation?
Question 8 of 20
Which of the following is an example of a 'Fluid'?
Question 9 of 20
What is the installed solar capacity of Gujarat as per the 2025 data?
Question 10 of 20
What happens to the weight of an iron object when it rusts?
Question 11 of 20
Which of the following metals exhibits variable valency?
Question 12 of 20
Which element has the symbol 'Li' and is the lightest metal?
Question 13 of 20
In a 'Scissors', the components are arranged as:
Question 14 of 20
Which of the following wind energy parks is one of the largest operational wind farms in India with a capacity of over 1,064 MW?
Question 15 of 20
Which of the following is NOT an example of a chemical change?
Question 16 of 20
Which phenomenon is responsible for the cooling effect felt when sweat dries on the body?
Question 17 of 20
Which method is commonly used to separate different gases (like Oxygen, Nitrogen, Argon) from air?
Question 18 of 20
Consider the following statements regarding the Atomic Theory proposed in 1808: 1. It was proposed by John Dalton. 2. It stated that atoms can be created in nuclear reactions. 3. It stated that matter is made of tiny indivisible particles. Which of the above statements is/are correct?
Question 19 of 20
Psychology and Sociology are classified under which branch of science?
Question 20 of 20