Patwari — Basic Elements of Science MCQs
Practice 20 free basic elements of science multiple choice questions for Patwari exam. Instant answers with explanations in Hindi and English.
Master Basic Elements of Science under Basic Science for Patwari with our curated MCQ set. Every question follows real Rajasthan exam patterns. Switch between Hindi and English anytime.
Patwari — Basic Science — Basic Elements of Science
20 Questions • Instant results & explanations • Hindi & English
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Question 1 of 20
What is the primary cause of Astigmatism?
Question 2 of 20
Consider the following table comparing changes: | Basis | Physical Change | Chemical Change | |---|---|---| | 1. Nature | Temporary | Permanent | | 2. Reversibility | Irreversible | Reversible | | 3. Composition | Same | Changes | Which row contains an incorrect comparison?
Question 3 of 20
What is 22 Carat Gold composed of?
Question 4 of 20
What is the primary cause of 'Sodic Land' formation in agricultural areas near Balotra?
Question 5 of 20
Match List-I (Alloy) with List-II (Composition) and select the correct answer using the codes given below: List-I A. Brass B. Bronze C. Solder D. German Silver List-II i. Copper + Tin ii. Lead + Tin iii. Copper + Zinc + Nickel iv. Copper + Zinc
Question 6 of 20
The temperature at which a solid melts to become a liquid at atmospheric pressure is called its:
Question 7 of 20
According to ancient Indian philosophy, 'Panchtatva' includes which of the following elements?
Question 8 of 20
Which property determines the chemical behavior and valency of an element?
Question 9 of 20
Which gas is primarily separated from air using Fractional Distillation?
Question 10 of 20
Besides power lines and habitat loss, which biological threat poses a significant risk to the eggs and chicks of the Great Indian Bustard?
Question 11 of 20
Which defect of the eye is corrected by using a lens that has a concave upper part and a convex lower part?
Question 12 of 20
The total contribution of wind energy to Rajasthan's renewable energy capacity is greater than:
Question 13 of 20
The development of forestry techniques for arid and semi-arid regions and desert plantation is the main function of:
Question 14 of 20
To achieve the goal of a $350 billion economy, the Rajasthan government has formulated how many 'Resolutions' (Sankalps)?
Question 15 of 20
Which technique would be best to separate black ink into its constituent dyes?
Question 16 of 20
Which specific migratory bird species uses Sambhar Lake as a critical wintering habitat?
Question 17 of 20
Consider the following statements about 'Metals': 1. They are generally hard and shiny. 2. They are malleable and ductile. 3. They are good conductors of heat and electricity. 4. Examples include Carbon and Sulphur. Which of the statements given above are correct?
Question 18 of 20
Which of the following chemical compounds is used for 'Cloud Seeding' to induce artificial rain?
Question 19 of 20
What is the typical composition ratio of Copper and Zinc in Brass?
Question 20 of 20
Which of the following locations is NOT associated with the Jaisalmer Wind Park?
More Basic Science Subtopics
Practice other subtopics under Basic Science to strengthen your Patwari preparation.