Important every day science mcqs quiz online practice for all competitive exams.
Maximum time allowed: 20 minutes.
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#1. The most abundant element in the universe is __ ?
#2. Most abundant element in human body is
#3. Which metal pollutes the air of big cities?
#4. The study of vegetable growing is called?
#5. Study of life in outer space is called ___?
#6. The fluid part of blood is known as ...?
#7. The lifespan of Red Blood Cells is__ days
#9. The density of water is _?
#10. How many chambers in human heart?
#11. The most common cause of rickets is deficiency of___?
#12. Study of earthquakes is known as__?
#13. What is the most abundant element on Earth?
#15. pH value of pure water is
#16. Digestion of food is completed in __?
#17. How much blood does an average adult have in the body?
#18. Study of fruit is called
#19. What are antibodies?
#20. Instrument used for measuring very high temperature is
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