Basic Elements of Science MCQs for CET 12th Level
Practice 20 free basic elements of science multiple choice questions for CET 12th Level exam. Instant answers, explanations in Hindi and English, and topic-wise targeted practice.
Master Basic Elements of Science under Basic Science for CET 12th Level 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.
CET 12th Level — Basic Science — Basic Elements of Science
20 Questions • Instant results & explanations • Hindi & English
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Question 1 of 20
In the context of the 'Basic Elements of Science' report, which section addresses 'Electrical Safety and Management'?
Question 2 of 20
Which Indian ancient elements (Panchtatva) correspond to 'Air' and 'Sky' respectively?
Question 3 of 20
Which alloy is specifically used for making ship propellers due to its properties?
Question 4 of 20
According to the scientific definition, 'Matter' is defined as anything that has:
Question 5 of 20
What is the density of Osmium, the heaviest metal?
Question 6 of 20
The mass of a neutron is approximately equal to the mass of which other particle?
Question 7 of 20
Which of the following is an irreversible change?
Question 8 of 20
Consider the following statements regarding the pollution in Sambhar Lake: 1. Avian Botulism is caused by a neurotoxin produced by the bacteria Clostridium botulinum. 2. The bacteria responsible for Avian Botulism thrives in aerobic conditions rich in oxygen. Which of the statements given above is/are correct?
Question 9 of 20
Match the following Solar Projects with their Locations: List-I (Project) I. Bhadla Solar Park II. Nokh Solar Park III. Pugal Solar Project IV. Fatehgarh Solar Park List-II (District) 1. Bikaner 2. Jaisalmer (Fatehgarh) 3. Jodhpur (Phalodi) 4. Jaisalmer (Nokh)
Question 10 of 20
Modern science classifies matter based on which of the following properties?
Question 11 of 20
Consider the following statements about the electron: 1. It was discovered by J.J. Thomson using the Cathode Ray Tube experiment. 2. It has a positive charge of $+1.6 \times 10^{-19} C$. 3. Its mass is approximately 1/1837 times that of a proton. Which of the statements given above is/are correct?
Question 12 of 20
How many naturally occurring elements are there out of the currently known 118 elements?
Question 13 of 20
Ciliary muscles are associated with which part of the human body to control focal length?
Question 14 of 20
Match List-I with List-II and select the correct answer using the codes given below: List-I (Location) (A) Jodhpur (B) Sambhar Lake (C) Bhiwadi (D) Jaisalmer List-II (Environmental Issue/Feature) (i) Ramsar Site (ii) High PM2.5 and PM10 levels (iii) Textile effluent pollution (iv) Desert National Park
Question 15 of 20
Match List-I (Isotopes) with List-II (Uses) and select the correct answer using the codes given below: List-I A. Uranium-235 B. Cobalt-60 C. Iodine-131 D. Carbon-14 List-II 1. Treatment of Goiter 2. Fuel in Nuclear Reactors 3. Determination of age of fossils 4. Treatment of Cancer
Question 16 of 20
What is a 'Cation'?
Question 17 of 20
A convex lens is used to correct which of the following vision defects?
Question 18 of 20
What is the reverse process of Freezing?
Question 19 of 20
Which of the following is a characteristic property of non-metals?
Question 20 of 20