1591Every Day ScienceMedium
A body can escape the gravitational pull of the earth if it is thrown up with a velocity of ________ miles/second ?
A
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. 07
Explanation
07 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
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B. Vitamin C
Explanation
Takes care of your skincare regime: Green chilli is a rich source of vitamin C and eating it helps in keeping your skin healthy and glowing. Aids in digestion: Consuming green chillies can help in the digestion process since it is very high in vitamin C.
Correct answer
D. Hydrogen and Helium
Explanation
Hydrogen and Helium is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
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D. Pellagra
Explanation
Pellagra is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
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A. BTU
Explanation
BTU is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
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D. Hepatitis
Explanation
Hepatitis is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
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C. 30
Explanation
Neptune is 30 astronomical units away from the Sun. One astronomical unit (abbreviated as AU), is the distance from the Sun to Earth.
Correct answer
B. ATP
Explanation
The energy currency of the cell is ATP (Adenosine triphosphate). During a cellular reaction, all the energy is not released as free energy but some of it is stored in ATP as chemical energy. The phosphate bonds in ATP are high energy bonds and they are broken whenever the cell requires energy. It is used in various energy-requiring processes of the cell. So, the correct option is ‘ATP’
Correct answer
A. Its density is greater at short distances from tplanetary surface in daytime and decreases as ionosphere rises at night-time, thereby allowing a greater range of radio frequencies to travel greater distances
Explanation
Its density is greater at short distances from tplanetary surface in daytime and decreases as ionosphere rises at night-time, thereby allowing a greater range of radio frequencies to travel greater distances is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Nitrogen
Explanation
Explanation by Farah : By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases.