01. Cinebar is the ore of which metal? Ans:- Mercury
2. Which instrument is used to measure the amount of water in milk? Ans:- lactometer
3. On which principle is "hydrogen bomb" based? Ans:- Nuclear fusion
04. Pellagra disease is caused by the deficiency of which vitamin? Ans:- Vitamin B-3
05. What is the abundance of liver oil of fish? Ans:- Vitamin D
6. What is the height of the geostationary satellite from the earth? Ans:- 36,000 km
7. What is the temperature of the human body? Ans:- 37° C or 98.4 F
08. What is the unit of capacity of the lens? Ans:- Diopter
09. The IC chips of a computer are made of which substance? Ans:- Silicon's
10. Parsec is the unit of? Ans:- Of astronomical distance
11. At what temperature is the maximum density of water? Ans:- at 4°C
12. What is the frequency of ultrasonic waves? Ans:- More than 20,000 Hz
13. What is the scientific name of man? Ans:- Homo sapiens
14. Who was the first Indian to be elected to the British Parliament? Ans:- Dada bbhai Nairoji
15. Which state in India has the highest production of rice? Ans:- West Bengal
16. Where is the only temple of Brahma ji in India? Ans:- Pushkar (Rajasthan)
17. What disease is caused by the bite of a mad dog? Ans:- Rabies or hydrophobia
18. Who is the ex-officio Chairman of the Rajya Sabha? Ans:- Vice President
19. Who is the first person to receive the Nobel Prize twice? Ans: Madame Marie Curie
20. Where is the headquarters of SAARC or SAARC? Ans:- Kathmandu (Nepal)
UN Secretary-General launches humanitarian cease-fire proposal in Ukraine