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. Saturn
Explanation
The planet known for its beautiful and prominent rings is Saturn. While all four gas giants in our solar system—Jupiter, Saturn, Uranus, and Neptune—have rings, none are as spectacular, complex, or visible as Saturn’s.
Correct answer
D. Sirius
Explanation
Sirius is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. 109 times
Explanation
109 times is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. mho
Explanation
Conductivity is usually measured in micro- or millisiemens per centimeter (uS/cm or mS/cm). It can also be reported in micromhos or millimhos/centimeter (umhos/cm or mmhos/cm), though these units are less common. One siemen is equal to one mho 1. Conductivity is usually measured in micro- or millisiemens per centimeter (uS/cm or mS/cm). It can also be reported in micromhos or millimhos/centimeter (umhos/cm or mmhos/cm), though these units are less common.
Correct answer
E. Radiation
Explanation
Radiation is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Haploid
Explanation
They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each chromosome.
Correct answer
A. Issac Newton
Explanation
Issac Newton is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Force
Explanation
Force is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Saros Cycle
Explanation
Saros Cycle is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Fissionable
Explanation
Fissionable is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.