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. Acclimatization
Explanation
Acclimatization is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Gelatin
Explanation
Gelatin is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Quasars
Explanation
Quasars is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. none of these
Explanation
none of these is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. A meteor
Explanation
A meteor is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. 700 km/s
Explanation
700 km/s is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. An equal and opposite pressure acts from inside
Explanation
An equal and opposite pressure acts from inside is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Poliovirus Type-II
Explanation
A vaccine-derived poliovirus (VDPV) is a strain of the weakened poliovirus that was initially included in oral polio vaccine (OPV) and that has changed over time and behaves more like the wild or naturally occurring virus.
Correct answer
C. 14
Explanation
14 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. 109
Explanation
The Sun is 864,400 miles (1,391,000 kilometers) across. This is about 109 times the diameter of Earth. The Sun weighs about 333,000 times as much as Earth.