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
