4401. Phosphorus is an essential component of one of the following biological molecules:
✅ A. Nucleic acids
Everyday Science MCQs – Page 221
4402. Animals use nitrogen in the form of____?
✅ C. Nitrites
4403. Equator passes through one of these countries______?
✅ D. None
4404. The season changes because of the _______?
✅ C. Earth is revolving round the sun
4405. Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature?
✅ B. Charles' Law
4406. The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating ______?
✅ D. Heat energy from the earth's interior
4407. How many moons does Saturn have?
✅ D. 62
4408. Why the colour of the Ocean appears blue?
✅ B. Because the sunlight falling on it is scattered.
4409. Which one of the following sets of color combinations is added in color vision in TV’?
✅ B. Red, green and blue
4410. Red + Green + Blue = ___?
✅ A. White
4411. The speed of light with the rise in the temperature of the medium_______?
✅ C. Remain the same
4412. What are the three subatomic particles of an atom?
✅ B. Protons,Neutrons & Electrons
4413. The outermost layer of skin is the_____?
✅ C. epidermis
4414. The largest part of the human brain is ______?
✅ C. Cerebrum
4415. Vacuum tubes have been replaced by_____?
✅ C. Transistors
4416. The sunlight can reach a depth of______meters in the ocean
✅ A. 200
4417. He was the first scientist to prove that Planets move around the sun?
✅ A. Galileo Galilei
4418. When our sun reaches the end of its red giant phase, it will turn into a______?
✅ A. White Dwarf
4419. Which gland in the human body is called the master gland?
✅ C. Pituitary
4420. Copper can be converted into gold by ?
✅ B. Artificial radioactivity