246: 12 constellations referred to as zodiac are:
(a) Imaginary region that encompass the path of the planets.
(b) Signs of Roman gods.
(c) A group of stars.
(d) None of the above
247: Consider the following statements :
1. Meningococcal Meningitis is transmitted from person to person by mosquito bites.
2. Vomiting and neck pain are two of the symptoms of Meningococcal meningitis.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Explanation:
Meningococcal Meningitis is transmitted from person to person through air via droplets of respiratory secretions and direct contact with an infected person like oral contact with shared items such as cigarettes or drinking glasses or through intimate contact such as kissing.
248: Neil Armstrong was the first person to reach on the moon. While walking on the moon:
(a) His mass remained the same but weight increased
(b) His mass remained the same but weight decreased
(c) His mass as well as weight decreased
(d) His mass increased but weight remained the same
249: Consider the following statements:
1. Adam Osborne produced the first portable computer.
2. Ian Wilmut created the first cloned sheep.
Which of the statements given above is/ are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Explanation:
Adam Osborne, a computer entrepreneur born in Thailand. In 1980 he opened a computer company, the 'Osborne Computer Corporation'. He produced the first portable mass marketed personal computer.
Ian Wilmut, a British Geneticist was thefirst to successfully clone an adult mammal, producing a sheep named 'Dolly'.
250: To know whether the rich are getting richer and the poor getting poorer, it is necessary to compare
(a) the wholesale price index over different periods of time for different regions
(b) the distribution of income of an identical set of income recipients in different periods of time
(c) the distribution of income of different sets of income recipients at a point of time
(d) the availability of foodgrains among two sets of people, one rich and the other poor, over different periods of time