1781Every Day ScienceMedium
What percentage of earth’s water supply is fresh water___________?
ANone of these
MCQs
Read every question, see the correct answer, and understand the explanation at your own pace. Study mode has no timer and no negative marking.
Correct answer
B. 3%
Explanation
3% is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Zoonosis
Explanation
Disease Transmitted from Animals to Humans. A zoonosis (zoonotic disease or zoonoses -plural) is an infectious disease that is transmitted between species from animals to humans (or from humans to animals).
Correct answer
C. saponification
Explanation
saponification is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Reflection
Explanation
Reflection is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. thrombocytes
Explanation
thrombocytes is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Oxalic Acid Solution
Explanation
Oxalic acid’s main applications include cleaning on bleaching, especially for the removal of rust(iron complexing agent). Bar Keepers Friend is an example of a household cleaner containing oxalic acid. Its utility in rust removal agent is due to its forming a stable water-soluble salt with ferric iron, ferrioxalate ion.
Correct answer
D. 35 grams
Explanation
35 grams is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Gamma rays
Explanation
Gamma rays are chargeless. So they cannot be deflected by electric or magnetic fields.
Correct answer
D. No unit
Explanation
No unit is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. A class of nucleic acids
Explanation
A class of nucleic acids is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.