The ore of aluminium is

• chalco pyrites

• fluorspar

• hematite

• bauxite

State Bank of India was previously known as

• Co-operative Bank of India

• Canara Bank

• Imperial Bank of India

• Syndicate Bank

Waksman got the Noble prize for the discovery of

• streptomycin

• nemoycin

• penicillin

• chloromycetin

The dynamo converts

• mechanical energy into magnetic energy

• mechanical energy into electrical energy

• electrical energy into mechanical energy

• None of the above

Spring tides occur on

• the day when the Moon's position is in its first

• new Moon day only

• full Moon day as well as on new Moon day

• full Moon day only

A fuse wire is characterized by

• high resistance and high melting point

• high resistance and low melting point

• low resistance and low melting point

• low resistance and high melting point

The business is stock markets and other securities markets is regulated by

• Stock and Exchange Bank of India

• State and Exchange Bank of India

• Securities and Exchange Board of India

• Sole Trade and Exchange Bank of India

Molybdenum deficiency

• All of the given options

• nitrate reductase

• nitrogenase

• chlorate reductase

Which one of the following is the correct sequence of eco-system in the order of decreasing productivity?

• Oceans, mangroves, lakes, grassland

• Mangroves, oceans, grassland, lakes

• Mangroves, grasslands, lakes, oceans

• Oceans, lakes, grassland, mangroves

Which of the following can be found as pollutants in the drinking water in some parts of Indians?
1.  Arsenic                                2. Sorbitol
3.  Fluoride                               4. Formaldehyde
5.  Uranium
Select the correct answer using the code given below.

• 1  and   3

• 2,  4  and 5

• 1,   3  and 5

• All of these