Sample Questions - Reading- multiple-choice-choose-single-answer

There are tales galore rife on the internet of people claiming they suffered vitamin b12 overdose. According to them, unpleasant symptoms surfaced as a consequence of excess vitamin b12 supplements intake. However, studies suggest that vitamin b12 is never toxic. Unlike other vitamins in excess such as Vitamin A, D, E and K, vitamin b12 is not harmful. Vitamin A in excess, for instance is sufficient to kill a person. Similarly, overdose of Vitamin D, E and K can be detrimental as well. The reason behind this is that these vitamins, unlike vitamin b12 are fat soluble. Hence excessive vitamin b12 easily get expelled from body through urine.

Discussions on drug addiction should not only be concerned with drug addicts but also with the vast majority of non-addicts. Their family and social lives are insecure as our narcotics laws drive such people to crime. A drug addict is almost never harmful when he is under the influence of drugs. That desperate need for money to buy the next fix makes him dangerous as drugs are available in illegal black markets where prices of such drugs are quite astronomical. The high cost of these drugs drives the drug addict to steal, kill or rob people of their money.

Dennis Tito, a renowned American engineer and multimillionaire is known for being the world's first space tourist who funded his own trip to space. In year 2001, he spent more than a week in orbit as a crew member of ISS EP-1. It was a visiting mission to the international space station after receiving an approval from the Russian Federal Space Agency as a commercial spaceflight. Dennis, however was at the receiving end of severe criticism from NASA right before the launch, especially from Daniel Goldin, the then NASA administrator. He opined that it was quite inappropriate of a tourist to travel into space.

Jupiter has 2-1/2 times more mass as compared to all other planets put together. Besides, it's diameter is 11 times more than Earth's diameter. Because of its size, the scientists were also forced into believing that it became a star. Gasses and dust contracted to build the planet and immense pressure was created by the gravitational forces along with tens of thousands of degrees of temperature. However, unlike the Sun, the unavailability of sufficient mass required to create the temperature which can initiate fusion reaction , Jupiter relatively got cooler over a period of time.