Attempt the Important Science Quiz for Defence Exams, the passing percentage is 75%.
#1. Magnetic, Electrostatic and Gravitational Forces come under the category of
non-frictional forces #2. The SI Unit of mechanical energy is
Joule-second #3. In SONAR, we use
audible sound waves #4. Electricity is produced through dry cell from
chemical energy #5. The following image represents
Transistor #6. The following image represents
Open Circuit #7. What is the full form of LED?
Litmus Emitter Diode
Litmus Emitting Diode
Light Emitter Diode
Light Emitting Diode #8. The atomic theory of matter was first proposed by
J. J. Thompson
Niels Bohr #9. What is the role of positive catalyst in a chemical reaction?
It increases the yield of the products
It decreases the rate of reaction
It increases the rate of reaction
It provides better quality of the products #10. Which method of water purification does not kill micro-organism?
UV-irradiation #11. The following image represents which chemical structure
Benzene Ring #12. Which process involves the loss of electrons or a change in the oxidation state of an atom, an ion, or a group of atoms in a molecule?
None of these #13. Hydrogen bomb is based on the principle of
artificial radioactivity #14. The pH 7 indicates that the solution is
neutral #15. Which organelle of cell is known as "Powerhouse of Cell" ?
Cell Wall #16. What is the full form of RNA?
Ribo Nuclear Acid
Reverse Nucleic Acid
Ribo Nucleic Acid
Robost Nucleic Acid #17. Which one of the following vitamins has a role in blood clotting?
Vitamin K #18. Coronavirus is a
RNA based virus
DNA based virus
Plabtsiscude virus #19. The ECG is employed to detect
pleura #20. Penicillin inhibits synthesis of bacterial
The Pattern of Quiz:
MON – Defence and Aviation Quiz
TUE – History/Geo/Polity WED – SSB OIR THU – SSB OIR FRI – Static GK Quiz SAT – Current Affairs Quiz SUN – 50 Questions Test Series