1621Every Day ScienceMedium
Which of these is a micronutrient of plants?
AOxygen
MCQs
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Correct answer
B. Boron
Explanation
Micronutrients are boron, chlorine, manganese, iron, zinc, copper, and molybdenum. A plant uses these nutrients to support its growth, life cycle, and biological functions. while Macronutrients include carbon, hydrogen, nitrogen, oxygen, phosphorous, potassium, calcium, sulfur, and magnesium.
Correct answer
B. South Pole
Explanation
South Pole is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. 0.03%
Explanation
0.03% is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Sleeping sickness
Explanation
Sleeping sickness is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. 4.53 billion years
Explanation
4.53 billion years is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Heat radiation
Explanation
A bolometer is a device for measuring radiant heat by means of a material having a temperature-dependent electrical resistance. It was invented in 1878 by the American astronomer Samuel Pierpont Langley.
Correct answer
B. vitamin A
Explanation
vitamin A is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Cancer
Explanation
Cancer is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. Bacteria
Explanation
Bacteria is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. 23 inches
Explanation
23 inches is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.