281. Covalent network crystals have________?
✅ B. higher melting point then molecular crystals
Everyday Science MCQs – Page 15
282. Age of the lion is determined through?
✅ B. Nose Colour
283. One Quintal is Equal to______?
✅ D. 100 kg
284. The alpha particles are compact clusters of____?
✅ A. Two Protons and two Neutrons
285. Deuterium differs from Hydrogen in having:
✅ C. Same atomic number and different atomic weight
286. There are_____ kinds of Joints in human body?
✅ B. 4
287. The common refrigerant used in domestic Refrigerator is________?
✅ C. Freon/Ammonia
288. What is the function of heart pacemaker?
✅ B. It regulates the heart beat
A: It decreases the heart beat B: It regulates the heart beat C: It increase the heart beat D: it accelerates blood supply to the heart Correct Answer: It regulates the heart beat Read more
289. What is the chemical name of bleaching powder?
✅ A. Calcium Hypochlorite
A: Calcium Hypochlorite B: Calcium Chlorate C: Calcium Chlorite D: Chlorine Correct Answer: Calcium Hypochlorite Read more
290. Which one of the following Greenhouse Gases has the greatest warming effect?
✅ A. Carbondioxide
A: Carbondioxide B: Carbonmonoxide C: Methane D: Hellium Correct Answer: Carbondioxide Read more
291. LED technology is energy efficient.what does LED stad for?
✅ C. Light Emitting Diode
A: Low Energy Data B: Low Energy Diode C: Light Emitting Diode D: None of these Correct Answer: Light Emitting Diode Read more
292. How many Acres are there in one Hectare?
✅ A. 2.47
A: 2.47 B: 3.47 C: 4.47 D: 5.47 Correct Answer: 2.47 Read more
293. The disease Diphtheria affect the ———— in the human body.
✅ C. Throats
A: Kidneys B: Intestines C: Throats D: Joints Correct Answer: Throats Read more
294. Epistemology is the study of:
✅ A. Knowledge
A: Knowledge B: Parasites C: Parasites D: Religions Correct Answer: Knowledge Read more
295. When a gas turns into liquid the process is called:
✅ A. Condensation
A: Condensation B: Evaporation C: deposition D: Sublimation Correct Answer: Condensation Read more
296. Yeast used in making of bread is in:
✅ A. Fungus
A: Fungus B: Plant C: Bacteria D: Seed Correct Answer: Fungus Read more
297. Which of the following plants are called arthrophytes?
✅ B. Sphenopsids
298. Which of the following noble gases is not present in atmosphere?
✅ C. Radon
299. Which blood group is universal receiver?
✅ C. Group AB
300. Dinosaurs and many other species were extinct about ___ years ago.
✅ A. 66 million