General Science: Topics & Questions (MCQs) for Competitive Exams

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General Science

To pursue higher education, to work at your dream company or to qualify for competitive exams has now become a part and parcel of everyone’s life. Majorly, such exams evaluate candidates’ knowledge related to Logical Reasoning, English, General Science, and Mathematics. Though all sections are equally important, Science is considered the trickiest one. And, with thousands of candidates appearing every year for all sorts of examinations, building a strong foundation and hitting the bull’s eye is essential to get your candidature highlighted from the hoard.

That’s when you should hop on and sail through this blog related to everything important related to General Science you need to learn about.

What is General Science?

General Science includes an array of basic topics from the three branches of Science namely, Physics, Biology, and Chemistry [BiPC subjects]. Generally, the topics covering the practical aspects of the common principles of the 3 subjects are put under this section. Be it the SAT exam or SSC exams, it is important to clear concepts to obtain the perfect score.

Mentioned below are some of the important topics in General Science:

  • Common drugs and their usage 
  • Common names of chemical compounds
  • Scientific laws and theories
  • SI units 
  • Atomic Structure
  • Important facts about the human body
  • Plant and animal tissues
  • Viscosity and Surface Tension
  • Gravitation
  • Important inventions, etc

What are the Topics of the General Science Syllabus?

As you already know by now, the topics of the General Science syllabus are driven from:

  • Biology
  • Chemistry
  • Physics

General Science Biology Questions

  1. White Blood Cells are produced in which part of the human body?
  2. How many chambers are there in a human heart?
  3. How many types of Kidney stones are formed in the human body?
  4. What is the difference between Animal and Plant Cells?
  5. Which is considered the largest part of the brain?
  6. The Ayurvedic system of medicine was discovered by?
  7. What would happen if the nucleus is removed from the cell?
  8. What is the difference between Prokaryotic and Eukaryotic Cells?
  9. What is Vaccine and how it works?
  10. Total how many bones are there in an infant?
  11. What is the difference between Communicable and Non-Communicable Diseases?
  12. What is the difference between Autotrophic and Heterotrophic modes of nutrition?
  13. Which is considered the longest/largest bone in the human body?
  14. What is Ebola Virus: History, Cause, Symptoms, Prevention and Treatment
  15. What is Plasma Therapy, and how it works?
  16. What is the quantity of blood in the human body?
  17. What is a colon infection?
  18. What are T-cells and their role in the fight against COVID-19?
  19. Genome Mapping and the first project in the Indian Ocean
  20. What is the difference between Delta and Delta Plus Variant of COVID-19?

General Science Chemistry Questions

  1. What is the difference between Green Hydrogen and Blue Hydrogen?
  2. What is the pH value of a basic substance?
  3. What is the full form of RDX?
  4. What is the difference between Baking Soda and Baking Powder?
  5. Name the particle required to continue the chain process of uranium fission.
  6. Name the metal used for galvanizing iron.
  7. Name the metal that can be cut from a knife.
  8. Why is sodium stored under kerosene?
  9. Name the gas which is also called the laughing gas.
  10. Which substance is called liquid gold?
  11. The chemical name of rat poison is?
  12. Name the gas used in fire extinguishers
  13. Name the gas usually responsible for the greenhouse effect.
  14. Which acid is used in car batteries?
  15. Why Gold does not rust?
  16. The chemical name of vitamin E is?
  17. What is “Oneer TM”?
  18. What is Catalysis?
  19. Reasons behind the earthy odour of soil after the first rain.
  20. Do you know which one is better Soap or Sanitizer?

General Science Physics Questions

  1. Which mirror is used by motorists?
  2. How is the small current measured?
  3. “Dioptre” is the unit of?
  4. What is Uniform Circular Motion?
  5. Who built the first modern motorcar?
  6. What are the characteristics of Sound Waves?
  7. Which mirror is used by dentists?
  8. What is the doomsday clock?
  9. “Farad” is the unit of?
  10. What type of electromagnetic waves are used in the remote control of television, etc?
  11. What are the main Branches of Physics?
  12. What is Kinetic Energy?
  13. What is the difference between refraction and reflection of light?
  14. How is the sun’s energy produced?
  15. What is Super Blue Blood Moon?
  16. What does Stephen Hawking’s final Research paper explain?
  17. Do you know the 127-year-old Physics Riddle is solved? What was that Riddle?
  18. A bolometer is used for?
  19. What are Asteroids and how are they formed?
  20. What do you mean by radioactivity?

Also Read: List of Top BSc (Bachelor of Science) Courses

Best Books for General Science Questions

General Science Preparation BooksAuthor/Publication
Encyclopedia of General Science
for General Competitions
General ScienceLucent
General Science for Competitive Exams
(Objective & Subjective)
BK Editorial Board
Magbook General Science 2024Arihant
General Science for RRB Junior Engineer,
NTPC, ALP & Group D Exams
Disha Experts
General Science Guide for Competitive Exams – CSAT/NDA/CDS/Railways/SSC/UPSC/State PSC/DefenceDisha Experts

Also Check Out: Study Bachelors of Science Abroad

Important General Science MCQs:

Q. Brass gets discoloured in the air because of the presence of which of the following gases in the air?

A. Oxygen
B. Hydrogen Sulphide
C. Carbon dioxide
D. Nitrogen

Correct Answer: B

Q. Which among the following fishes does not have a Central Nervous System?

A. Dog Fish
B. Cuttle Fish
C. Jelly Fish
D. Star Fish

Correct Answer: C

Q. Which of the following is a non-metal that remains liquid at room temperature?

A. Phosphorous
B. Bromine
C. Chlorine
D. Helium

Correct Answer: B

Q. Which among the following is correct?

A. Caffeine which is a diuretic is a constituent of coffee but is not found in tea
B. Vitamin C which is also called ascorbic acid can be replaced with citric acid in our food
C. Citric acid is used in Cola drinks
D. All are wrong statements

Correct Answer: B

Q. Chlorophyll is a naturally occurring chelate compound in which the central metal is

A. copper
B. magnesium
C. iron
D. calcium

Correct Answer: B

Science is a very broad subject and requires conceptual clarity to clear a competitive exam. Basic knowledge and logical thinking are what is assessed in the SAT Subject Test, the scores of which are required by some of the major universities in the USA and Canada for undergraduate courses.

Leverage Edu‘s Live online SAT classes where domain experts will clear all your doubts, queries, and concepts through updated study material, one-on-one sessions, and scores of practice questions!

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