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
C. Radon
Explanation
Radon is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Iris
Explanation
Iris is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Nose
Explanation
Nose is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Vitamin D
Explanation
Vitamin D is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Hummingbird
Explanation
The average Ruby-Throated Hummingbird weighs about 3 grams which is roughly the same as a penny. The Bee Hummingbird of Cuba is the smallest bird in the world and only measures in at around 2 inches and 1.5 grams.
Correct answer
D. Sun
Explanation
Sun is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Mitochondria
Explanation
Mitochondria is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Left Ventricle
Explanation
Left Ventricle is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Prophase
Explanation
Prophase is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Rat
Explanation
Rat is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.