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
D. 5
Explanation
5 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Eratosthenes
Explanation
Eratosthenes is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Gold
Explanation
Gold is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Death
Explanation
Death is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. E = mc 2
Explanation
E = mc 2 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Black hole
Explanation
Black hole is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. ISS (International Space Station)
Explanation
ISS (International Space Station) is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
E. AB+
Explanation
AB+ is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. 7
Explanation
The modern periodic table was created by Mosley. There are 7 horizontal rows which are called periods. They are also called series. Also, the modern periodic table consists of 18 vertical columns which are called groups.
Correct answer
B. Proxima Centurai
Explanation
Proxima Centurai is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.