by: Monu SirPosted on: July 23, 2026July 23, 2026Class 8 Science Quiz in Hindi: MCQ, Fill in the Blanks & True/False Complete Science & General Knowledge QuizComplete Science & GK QuizTest your knowledge! Select the right options and type your answers below.Multiple Choice Questions (MCQs)1. From which microbes we obtain penicillin? a. Fungi b. Algae c. Virus d. Bacteria2. Virus exhibits the characteristics of both living as well as non-living beings. a. Bacteria b. Protozoa c. Virus d. Algae3. Bacterium responsible for curdling of milk is called: a. acidobacillus b. lactobacillus c. both a and b d. none of these4. Fungus that grows on the bread is called: a. mushroom b. mould c. spirogyra d. yeast5. Louis Pasteur discovered fermentation. a. Edward Jenner b. Louis Pasteur c. Alexander Fleming d. Thomas Alva Edison6. Edward Jenner discovered the vaccine for smallpox. a. Edward Jenner b. Louis Pasteur c. Alexander Fleming d. Thomas Alva Edison7. Which of the following is not a combustible substance? a. Wood b. Diesel c. Coal d. Stone8. Diesel is a secondary fuel. a. Diesel b. Wood c. Coal d. None of these9. Which zone of a flame has the least temperature? a. Non-luminous b. Luminous c. Dark d. Blue10. Oxygen is a supporter of combustion. a. Carbon b. Hydrogen c. Oxygen d. Carbon monoxide11. Which of the following types of fuel burn/s completely? a. Solid b. Liquid c. Gaseous d. Both a. and c.Fill in the Blanks 1. Microorganisms can be seen only with the help of a . (Answer: microscope) 2. Bacillus bacteria are shaped. (Answer: rod) 3. Protozoa have structures that allow them to move from place to place. (Answer: locomotory) 4. Cholera, typhoid, polio and jaundice spread through food and water. (Answer: contaminated) 5. Anthrax is an animal disease caused by . (Answer: Bacteria) 6. present in air supports combustion. (Answer: Oxygen) 7. Foam fire extinguisher releases a foam of that surrounds the burning substance and cuts off its air supply. (Answer: CO2) 8. Inflammable substances have very ignition temperature. (Answer: low) 9. zone is the outermost zone of a candle flame. (Answer: non-luminous) 10. A good fuel has ignition temperature. (Answer: high) 11. The sage said, ‘this is a gift for a king’. (Answer: future) 12. The sage handed him a piece of . (Answer: string) 13. The fourth doll is the kind of person. (Answer: best) 14. The prince repeated the . (Answer: process) 15. is Gold. (Answer: Silence)True or False1. All combustible substance liberate heat and light on burning. True False2. Spontaneous combustion starts on its own in the given condition. True False3. Insufficient supply of oxygen leads to complete combustion. True False4. The luminous zone of candle flame appears yellow. True False5. The rate of combustion of liquid and gaseous fuels can be controlled. True False6. A sage presented a prince with a set of three small dolls. True False7. The prince passed the piece of string through each doll. True False8. When the string was put into the ear of the first doll, it came out from its mouth. True FalseSubmit Quiz & Check Score
2. Virus exhibits the characteristics of both living as well as non-living beings. a. Bacteria b. Protozoa c. Virus d. Algae
3. Bacterium responsible for curdling of milk is called: a. acidobacillus b. lactobacillus c. both a and b d. none of these
5. Louis Pasteur discovered fermentation. a. Edward Jenner b. Louis Pasteur c. Alexander Fleming d. Thomas Alva Edison
6. Edward Jenner discovered the vaccine for smallpox. a. Edward Jenner b. Louis Pasteur c. Alexander Fleming d. Thomas Alva Edison
11. Which of the following types of fuel burn/s completely? a. Solid b. Liquid c. Gaseous d. Both a. and c.
7. Foam fire extinguisher releases a foam of that surrounds the burning substance and cuts off its air supply. (Answer: CO2)
