921. what kind of soil is treated with gypsum to make it suitable for cropping______?
✅ B. Alkaline
Everyday Science MCQs – Page 47
922. The planet that moves round the Sun at the highest speed is____?
✅ D. Mercury
923. The gases used in different types of welding would include ______?
✅ D. Oxygen and acetylene
924. “Each electron in an atom must have its own unique set of quantum numbers” is a statement of_____?
✅ A. Pauli exclusion principle
925. Quantity of fresh air required for a man is 1000 cubic feet of air for every_______?
✅ D. 20 minutes
926. As the temperature of ice rises, the ice melts and its density?
✅ C. Increases
927. The lifespan of Red Blood Cells is _____ days?
✅ A. 120
928. International date line passes through which strait?
✅ C. Bering Strait
929. Who invented bifocal eyeglasses?
✅ A. Benjamin Franklin
930. Saliva contains_____?
✅ B. Amylases
931. Malaria is a disease which effects the_______?
✅ C. Spleen
932. Which is the Coldest Planet ?
✅ D. Neptune
933. The main culprit of greenhouse effect is Carbon dioxide. But which is the second element contributing most to greenhouse effect
✅ C. Methane (CH4)
934. The ‘stone’ formed in human kidney consist mostly of________?
✅ B. Calcium oxalate
935. Which of the following does not pollute the air?
✅ B. Nitrogen Dioxide
936. Laughing gas has chemical composition of following two elements ?
✅ C. Nitrogen + Oxygen
937. Who is the Father of Genetics?
✅ B. Gregor Mendel
938. The main cause of floods in the river is_____?
✅ C. Deforestation
939. Which of the following has the highest energy?
✅ B. gamma rays
940. Vernal equinox of northern hemisphere in March marks season of _____ ?
✅ B. Spring