2061Every Day ScienceMedium
Severe deficiency of Vitamin D results in __________.
Arickets
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. rickets
Explanation
rickets is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. 453
Explanation
453 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Octopus
Explanation
An octopus’s three hearts have slightly different roles. One heart circulates blood around the body, while the other two pump it past the gills, to pick up oxygen.
Correct answer
A. 32 °F
Explanation
32 °F is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Animal wastes
Explanation
Biogas typically refers to a gas produced by breakdown of organic matter in the absence of oxygen. Organic waste such as dead plant and animal material, animal feces, and kitchen waste can be converted into a gaseous fuel called biogas. Biogas originates from biogenic material and is a type of bio fuel. Biogas is produced by the anaerobic digestion or fermentation of biodegradable materials such as biomass, manure, sewage, municipal waste, green waste, plant material, and crops. Biogas comprises primarily methane (CH4) and carbon dioxide (CO2) and may have small amounts of hydrogen sulphide (H2S), moisture and siloxanes.
Correct answer
C. Montgolfier
Explanation
Montgolfier is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Indian Ocean
Explanation
Indian Ocean 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 B9
Explanation
Vitamin B9, also called folate or folic acid, is one of 8 B vitamins. All B vitamins help the body convert food (carbohydrates) into fuel (glucose), which is used to produce energy. These B vitamins, often referred to as B-complex vitamins, also help the body use fats and protein.
Correct answer
D. Potential energy
Explanation
Potential energy is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. vibrational
Explanation
vibrational is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.