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G.K. World brings online Learning Material, Test Series, Preparation Quizzes for competitive Exams SSC, UPSC, Stenography, DSSB, UPPSC, BPSC. SSC English, SSC Science, SSC Solved Previous Papers.

Here, I am providing All World GK Questions for those learners who are preparing for competitive exams. In this post, I have updated the most important questions answers around the World General Knowledge with latest World GK questions and answers about many topics covered.     

G.K. WORLD QUIZ - World GK - World GK Questions

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QUIZ No. 1 (Science)

Science General Knowledge Quiz Questions and Answers

Are you finding the science general knowledge questions to learn for competitive exams? Here in this blog, I am sharing history general knowledge quiz questions and answers for competitive exams.

 

1. Which among the following is a constituent of natural silk?





ANSWER= (C) Nitrogen
Explain:-

 

2. Which of the following is known as laughing gas?





ANSWER= (A) Nitrous Oxide
Explain:- Nitrous Oxide is also called laughing gas or happy gas due to its intoxicating effects when inhaled. It was initially discovered around 1772 by the English scientist and Clergyman Joseph Priestley. It is a colorless, non-flammable gas. This gas is used in medical and dental procedures as a sedative. It helps to relieve anxiety before the procedure and allows the patient to relax.

 

3. What type of waves are light wave?





ANSWER= (A) Transverse wave
Explain:- Light-wave is a transverse wave because its components vibrate perpendicular to its direction of propagation.

 

4. Which of the following organism breathes from skin?





ANSWER= (B) Earthworm
Explain:- An earthworm is a tube-shaped, segmented worm found in the phylum Annelida. They are commonly found living in soil, feeding on live and dead organic matter.

 

5. Which of the following aquatic animals does NOT have gills?





ANSWER= (D) Whale
Explain:- Gills are respiratory organs found in most aquatic organisms. Gills can extract dissolved oxygen from water and excrete carbon dioxide. Gills can be found in Octopus, Squid, Clownfish, Tadpole, Prawn, etc. Lungs are the breathing organ of Whales.

 

6. Recently India commissioned its first liquid mirror telescope at -





ANSWER= (B) Uttarakhand
Explain:-

 

7. The nuclear plant disaster in Chernobyl took place in -





ANSWER= (C) 1986
Explain:-

 

8. The paper was invented in -





ANSWER= (D) China
Explain:-

 

9. What is blue carbon?





ANSWER= (A) Carbon captured by oceans and coastal ecosystems
Explain:-

 

10. In which one of the following years was the first telegraphic connection established between Europe and India?





ANSWER= (C) 1865
Explain:-

 

11. Which of the following environmental events is observed by switching off all lights at homes, business establishments, landmarks, and so on for an hour?





ANSWER= (B) Earth Hour
Explain:-

 

12. Which one of the following statements is correct regarding LOFAR (Low-Frequency Array)?





ANSWER= (A) It is the world's most powerful radio antenna
Explain:-

 

13. Which one of the following is the most important factor for the formulation of smog?





ANSWER= (C) Presence of many air pollutant resources
Explain:-

 

14. Indian Gandhi Centre for Atomic Research , Kalpakkam is located in -





ANSWER= (B) Tamil Nadu
Explain:-

 

15. Which of the following is India's first intranasal vaccine against Covid infection?





ANSWER= (D) iNCOVACC
Explain:-