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
D. dry mouth
Explanation
Xerostomia refers to the sensation of oral dryness, which can result from diminished saliva production. Dry mouth. It occurs when the body is not able to make enough saliva.
Correct answer
A. Pupil of eye
Explanation
Pupil of eye is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Sodium thiosulphate
Explanation
Sodium thiosulphate is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. The Sun remains behind us and we face raindrops
Explanation
We see rainbows because of the geometry of raindrops. When the sun shines from behind us into the rain, incident rays of light enter the drop and are refracted inwards. They are reflected from the back surface of the raindrop, and refracted again as they exit the raindrop and return to our eyes. A rainbow is an optical and meteorological phenomenon that is caused by reflection of light in water droplets in the Earth’s atmosphere, resulting in a spectrum of light appearing in the sky.
Correct answer
B. 10,832 F
Explanation
10,832 F is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Ancient Life and Fossils
Explanation
Ancient Life and Fossils is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Scale height (H)
Explanation
Scale height (H) is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Energy
Explanation
Kilowatt hour is the unit of ENERGY. Watt or Kilowatt is the unit of power. Kilowatt-hour (KWh) is unit of Electrical Energy. We know that, Power×time=Energy ⇒ Kilo-Watt×Hour=Energy 1KWh is electrical energy consumed when an electrical equipment of power 1 KiloWatt is operated for 1 Hour. It is also used as commertial unit of energy in households/Buildings/Factories etc where 1 Unit of electricity is equivalent of 1KW-h of energy.
Correct answer
B. 3
Explanation
3 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Human Metapneumo virus
Explanation
Human Metapneumo virus is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.