A battery of e.m.f. 12V and internal resistance 2 Ω is connected with two resistors A and B of resistance 4 Ω and 6 Ω respectively joined in series.

Find:

1. Current in the circuit.
2. The terminal voltage of
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Name the Courts that are empowered to issue Writs for the enforcement of Fundamental Rights.

Inert gases do not form ions.

State one advantage of inland waterways.

A piece of ice of mass 60 g is dropped into 140 g of water at 50^o C. Calculate the final temperature of water when all the ice has melted. (Assume no heat is lost to the surrounding)

Specific heat...

Free movement of solutes in and out of the cell takes place across the cell membrane.

Rewrite the correct statement by changing the underlined words.

The given diagram shows a stage during mitotic division in an animal cell:

1. Identify the stage. Give a reason to support your answer.
2. Draw a neat labelled diagram of the cell as it would appear in
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(i) Name the private sector iron and steel plant of India.

(ii) From where does it get its supply of:

1. Iron ore
2. Manganese
3. Coal

A sound wave travelling in water has wavelength 0.4 m. Is this wave audible in air? (The speed of sound in water = 1400 ms^-1)

Name the gas that is produced in - Reaction of ethanol and sodium

Perilymph or endolymph (Which one surrounds the organ of Corti?)

Write a balanced chemical equation for the preparation of each of the following salts:

1. Copper carbonate
2. Ammonium sulphate crystals

State two ways to increase the speed of rotation of a D.C. motor.

The diagram below shows a point source P inside a water container. Four rays A, B, C, D starting from the source P are shown upto the water surface.

1. Show in the diagram the path of these rays after
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Differentiate between the following pairs on the basis of what is mentioned in brackets:

1. Active Transport and Diffusion [significance in plants]
2. Demography and Population density [Definition]
3. Antibiotic
...

What was meant by the term ‘Imperialism’, as a cause for World War I?