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. Chromosome
Explanation
Chromosomes are structures within cells that contain a person’s genes. Genes are contained in chromosomes, which are in the cell nucleus. A chromosome contains hundreds to thousands of genes.
Correct answer
B. Convex mirror
Explanation
Convex mirror is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Gun Powder
Explanation
Gun Powder is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Zeolites
Explanation
Zeolites is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Ultraviolet radiation
Explanation
Ultraviolet radiation is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
E. 1m
Explanation
1m is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Diamond
Explanation
Diamond is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Reflex activities
Explanation
Reflex activities is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Ionosphere
Explanation
Ionosphere is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Sulphur
Explanation
Sulphur is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.