2801: Malaria fever is caused
(a) Immediately after mosquito bite
(b) Upon disintegration and bursting of red blood cells
(c) When the malaria causing germs reach the liver
(d) Upon release of toxins into blood
2802: Left pan of a faulty balance weighs 100 gram more than its right pan. A Shopkeeper keeps the weight measure in the left pan while buying goods but keeps it in the right pan while selling his goods. He uses only 1 kg weight measure. If he sells his goods at the listed cost price, what is his gain?
(A) 100/9%
(B) 100/11%
(C) 200/9%
(D) 200/11%
2803: Gerontology is the study of:
(a) Process of ageing
(b) Growth of cells
(c) Birds
(d) Vegetables
2804: Which one of the following statements is not correct?
(a) The largest Buddhist monastery in India is in Assam.
(b) The language Konyak is spoken in Nagaland.
(c) The largest river island in the world is in Assam.
(d) Sikkim is the least-populated state of the Indian Union.
2805: The high density of population in Nile Valley and Island of Java is primarily due to
(a) intensive agriculture
(b) industrialisation
(c) urbanisation
(d) topographic constraints