Q: Bronze is an alloy of:

A: Copper and Zinc

B: Tin and Zinc

C: Copper and Tin

D: Iron and Zine



Copper and Tin


Q: Which of the following is/are not associated with the reduction of Greenhouse gases ?
i) Kigali Amendment to Montreal Protocol
ii) Stockholm convention
iii) Kyoto Protocol


A: (ii) only

B: (i) and (ii) only

C: (i) and (iii) only

D: (i), (ii) and (iii)



(ii) only


Q: The rusting of the iron is the example of:

A: Oxidation

B: Reduction

C: Polymerisation

D: Galvanization



Oxidation


Q: Which kind of lens is used in microscope ?

A: Convex

B: Concave

C: Biconvex and concave

D: Biconcave



Convex


Q: Which of the following is a greenhouse gas

A: Chlorofluoro carbon

B: Carbon

C: Calcium

D: None of these



Chlorofluoro carbon


Q: Which of the following is the largest ecological unit ?

A: Organism

B: Population

C: Biome

D: Ecosystem



Biome


Q: Which of the following lenses would you prefer to read small letters in a dictionary ?

A: A convex lens of focal length 50 cm

B: A concave lens of focal length 50 cm

C: A convex lens of focal length 5 cm

D: A concave lens of focal length 5 cm



A convex lens of focal length 5 cm


Q: Which among the following diseases are not bacterial?

A: Cholera and Diphtheria

B: Malaria and trichomonasis

C: Tetanus and typhoid

D: Tuberculosis and leprosy



Tetanus and typhoid


Q: Which of the following is an example of thermoplastics?

A: Bakelite

B: Melamine

C: PVC

D: none of these



PVC


Q: Which of the following could be used as fuel in propellant of rockets?

A: liquid hydrogen + liquid nitrogen

B: liquid oxygen + liquid argon

C: liquid nitrogen + liquid oxygen

D: Liquid hydrogen + liquid oxygen



Liquid hydrogen + liquid oxygen
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