Potassium permanganate is used for purifying drinking water,
because it
(a) Dissolves the impurities of water
(b) Is a sterilizing agent
(c) Is an oxidizing agent
(d) Is a reducing agent
The pH of human blood is between 1 6.5-7 2 7.5-8 3 8-9 4 4.5-5
Old-written material, which cannot be read easily, can be read by 1 Cosmic rays 2 Ultraviolet rays 3 Infra red rays 4 None of these
60 percent of commercial energy in India comes from: (a) Coal (b) Wind (c) Hydel (d) Nuclear projects
Poison glands of snakes are homologous to 1 Stings of rays 2 Salivary glands of vertebrates 3 Electric organs of fishes 4 Sebaceous glands of mammals
C-DOT is the name given to (1) A new computer language (2) Center for Development of Telematics (3) Council for Development and Training (4) Committee of Developing Nations
. The first Buddist Council met at (a) Rajagriha (b) Pataliputra (c) Jalandhra (d) Kashmir
Which of the following glands controls the development of sex organs in humans? 1 Pancreas 2 Thyroid 3 Adrenal 4 Pituitary
The largest silver producer in the world is: (a) USA (b) Mexico (c) Guatemala (d) Bolivia
?Breast stroke? is a term associated with (a) Swimming (b) Boxing (c) Football (d) Kabaddi
During the first half of the current fiscal, the software exports registered a growth of 1 25% 2 30% 3 34% 4 37%
In 1925 the government arrested and tried a large number of terrorists in the : (a) Kakori conspiracy (b) Kanpur conspiracy (c) Lahore conspiracy (d) Meerut conspiracy
Which one of the following is a technique of water harvesting and is very popular in Rajasthan? 1 Ghoomar 2 Ghotlu 3 Johad 4 None of these