401. The carbon dioxide content in the air that we exhale is about?
✅ B. 4%
Everyday Science MCQs – Page 21
402. What are the primary colors of Light?
✅ D. Red, Green, Blue
403. In general, Comets have _____ orbits
✅ A. Highly elliptical
404. Which of the following is a diverse group of hydrophobic molecules?
✅ A. Lipids
405. In which type of solar eclipse the Sun’s center is covered by the moon, leaving its edges uncovered?
✅ C. Annular Solar Eclipse
406. Which of the following is the largest planet?
✅ A. Jupiter
407. How many longitudes are there in Globe?
✅ D. 360
408. One gram of carbohydrates give energy of the amount?
✅ A. 4.1 K Calories
409. When an acid reacts with a metal, which one of the following gas is usually liberated?
✅ D. Hydrogen gas
410. Which Planet is Called Great Red Spot?
✅ C. Jupiter
411. Who created periodic table?
✅ D. Mendeleev
412. Dental mirror is what type of a mirror?
✅ A. Concave mirror
413. The process of splitting water molecules in the presence of light energy is called____?
✅ A. Photolysis
414. Which one of the following is not vector quantity __?
✅ C. Speed
415. who invented bulb?
✅ C. Edison
416. Bauxite is an ore of____?
✅ C. aluminium
417. Example of gas having monoatomic molecules is ______ ?
✅ C. Neon and argon
418. A ‘breath test’ used by traffic police to check drunken driving uses ____?
✅ D. Potassium dichromatic-sulphuric acid
419. Which of the following is the hardest substance?
✅ A. Diamond
420. The lifespan of White Blood Cells is _____ day(s)?
✅ D. 5 - 21 days