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
A. Thyroid gland
Explanation
The thyroid gland is a butterfly-shaped organ located in the base of your neck. It releases hormones that control metabolism—the way your body uses energy.
Correct answer
D. Bering Strait
Explanation
Bering Strait is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Sound cannot travel through a vacuum
Explanation
Sound cannot travel through a vacuum is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Sulphuric Acid
Explanation
Sulphuric Acid is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Blood
Explanation
Blood is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Dendrites
Explanation
Dendrites is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. 2 electrons
Explanation
2 electrons is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. 4th
Explanation
4th is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. 100 dB
Explanation
100 dB is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Artificial nuclear radioactivity
Explanation
Artificial nuclear radioactivity is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.