516: World's longest ruling head of government is from:
(a) Switzerland
(b) Cuba
(c) Zimbabwe
(d) New Zealand
517: If the Prime Minister of India belonged to the Upper House of Parliament
(a) he will not be able to vote in his favour in the event of a no-confidence motion
(b) he will not be able to speak on the Budget in the Lower House
(c) he can make statements only on the Upper House
(d) he has to become a member of the Lower House within six months after being sworn-in as the Prime Minister
518: The average salary of 100 employees in an office is Rs. 16,000 per month. The management decided to raise salary of every employee by 5% but stopped a transport allowance of Rs. 800 per month which was paid earlier to every employee. What will be the new average monthly salary ?
(A) Rs. 16,500
(B) Rs.16,000
(C) Rs. 16,800
(D) Cannot be known since data are insufficient
519: Amoebiasis, malaria and typhoid are diseases due to amoeba, malarial parasites and typhoid bacillus which are collectively called:
(a) Anthropods
(b) Protozoa
(c) Mollusca
(d) Pisces
520: Atoms of the same element having the same atomic number but different atomic weight are called
(a) Isobars
(b) Isotopes
(c) Polymers
(d) Isomers