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Everyday Science Mcqs

Which gas is used for artificial ripening of green fruit ?

Chemistry Mcqs, Everyday Science Mcqs /
Which gas is used for artificial ripening of green fruit ?A. Carbon dioxide
B. Acetylene
C. Ethane
D. Ethylene

Ethylene plays a vital role in the natural ripening of fruits. It is a hormone produced naturally within the fruits to stimulate ripening process. Ethylene, being a natural hormone, does not pose any health hazards to consumers, the guidance note points out.

 

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Chemistry Mcqs, Everyday Science Mcqs

A force applied on a body through the string is called_________?

Everyday Science Mcqs, Physics Mcqs /
A force applied on a body through the string is called_________?

A. Weight
B. Momentum
C. Tension
D. Torque

The tension force is the force that is transmitted through a string, rope, cable or wire when it is pulled tight by forces acting from opposite ends. The tension force is directed along the length of the wire and pulls equally on the objects on the opposite ends of the wire

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Everyday Science Mcqs, Physics Mcqs

Only planet whose day is longer than its year is__________?

Everyday Science Mcqs /
Only planet whose day is longer than its year is__________?

A. Mercury
B. Neptune
C. Venus
D. None of These

Venus has the longest day of any planet in our solar system. It completes one rotation every 243 Earth days. Its day lasts longer than its orbit. It orbits the Sun every 224.65 Earth days, so a day is nearly 20 Earth days longer than its year.
Venus looks like a very active planet. It has mountains and volcanoes. Venus is similar in size to Earth. Earth is just a little bit bigger.
Venus is unusual because it ss the opposite direction of Earth and most other planets. And its rotation is very slow. It takes about 243 Earth days to s around just once. Because it’s so close to the sun, a year goes by fast. It takes 225 Earth days for Venus to go all the way around the sun. That means that a day on Venus is a little longer than a year on Venus.

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Everyday Science Mcqs

Which of the following disease affects the skin ?

Everyday Science Mcqs /
Which of the following disease affects the skin ?

A. Rickets
B. Osteoporosis
C. Anemia
D. Pellagra

Pellagra is a disease caused by a lack of the vitamin niacin (vitamin B3). Symptoms include inflamed skin, diarrhea, dementia, and sores in the mouth. Areas of the skin exposed to either sunlight or friction are typically affected first.

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Everyday Science Mcqs

Carbon dioxide was discovered by_______?

Everyday Science Mcqs /
Carbon dioxide was discovered by_______?

A. Niels Bohr
B. Amedeo Avogadro
C. Joseph Black
D. None of Above

Joseph Black, a Scottish chemist and physician, first identified carbon dioxide in the 1750s. At room temperatures (20-25 oC), carbon dioxide is an odourless, colourless gas, which is faintly acidic and non-flammable. Carbon dioxide is a molecule with the molecular formula CO2.

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Everyday Science Mcqs