4981. The sun is made up of 99.9% of ______ and ____?
✅ D. Hydrogen and Helium
Everyday Science MCQs – Page 250
4982. Myopia is a defect of Human eye. it can be corrected by using a lens called?
✅ A. Concave lens
4983. The amount of energy in wheat is_____?
✅ C. 348 K Calories/100 gram
4984. The Study of growth is called ______ ?
✅ B. Auxology
4985. Internal friction of fluid is called____?
✅ B. Viscosity
4986. what kind of soil is treated with gypsum to make it suitable for cropping______?
✅ B. Alkaline
4987. The planet that moves round the Sun at the highest speed is____?
✅ D. Mercury
4988. The gases used in different types of welding would include ______?
✅ D. Oxygen and acetylene
4989. “Each electron in an atom must have its own unique set of quantum numbers” is a statement of_____?
✅ A. Pauli exclusion principle
4990. Quantity of fresh air required for a man is 1000 cubic feet of air for every_______?
✅ D. 20 minutes
4991. As the temperature of ice rises, the ice melts and its density?
✅ C. Increases
4992. The lifespan of Red Blood Cells is _____ days?
✅ A. 120
4993. International date line passes through which strait?
✅ C. Bering Strait
4994. Who invented bifocal eyeglasses?
✅ A. Benjamin Franklin
4995. Saliva contains_____?
✅ B. Amylases
4996. Malaria is a disease which effects the_______?
✅ C. Spleen
4997. Which is the Coldest Planet ?
✅ D. Neptune
4998. The main culprit of greenhouse effect is Carbon dioxide. But which is the second element contributing most to greenhouse effect
✅ C. Methane (CH4)
4999. The ‘stone’ formed in human kidney consist mostly of________?
✅ B. Calcium oxalate
5000. Which of the following does not pollute the air?
✅ B. Nitrogen Dioxide