• Post last modified:July 2, 2023
  • Reading time:9 mins read

Top 50 Science General Knowledge (GK) Questions & Answers in English. These questions can be very important for various competitive exams like UPSC, SSC, Railway, Banking BPSC, NDA, and more.

  1. Itai itai disease is caused by which metal ?

    Answer: Cadmium
  2. In Eye donation , which part of the donor’s eye is utilized ?

    Answer: Cornea
  3. Which Pigment gives the leaves their Green Colour ?

    Answer: Chlorophyll
  4. which gas is Flushed to Potato Chips Packets ?

    Answer: Nitrogen
  5. Which is the largest part of Alimentary Canal ?

    Answer: Small intestine
  6. The scientific study of Human Heart is called as ?

    Answer: Cardiology
  7. Who discovered the first antibiotic Penicillin ?

    Answer: Alexander Fleming
  8. Which instrument is used to measure the Humidity in Atmosphere ?

    Answer: Hygrometer
  9. Which element is symbolized by ‘K’ in the Modern Periodic Table ?

    Answer: Potassium
  10. Which female Mosquito is Responsible for Malaria Disease ?

    Answer: Anopheles
  11. Name the person who Studied Plants ?

    Answer: Botanist
  12. Which Metal has highest Melting boiling Point ?

    Answer: Tungsten
  13. Which instrument is used to locate the object located in the depth of the sea?

    Answer: SONAR
  14. Which toxic substance is present in Tube lights ?

    Answer: Mercury
  15. Which part of the human body is affected by Pneumonia disease?

    Answer: Lungs
  16. What is the outermost layer of Human Skin called as ?

    Answer: Epidermis
  17. Which are the Most Commonly Used in Chemicals in the Artificial Rain Making or Cloud Seeding ?

    Answer: Silver Iodide ( AgI )
  18. In which part of an eye a pigment is present which is Responsible for Brown , Blue or Black eyes ?

    Answer: Iris
  19. Which gas Commonly known as laughing Gas ?

    Answer: Nitrous oxide
  20. How many layers are there in Our Earth’s Atmosphere ?

    Answer: 5 Layers