The layer of the eyeball that provides nourishment to the eye.

Give one word or a phrase: The tendency of an atom to attract electrons to itself when combined in a compound.

State any one federal feature of the Indian Constitution.

Copy the diagram given below and complete the path of light ray till it emerges out of the prism. The critical angle of glass is 42°. In your diagram mark the angles wherever necessary.

A magnet kept at the centre of two coils A and B is moved to and fro as shown in the diagram. The two galvanometers show deflection.

State the conditions required for total internal reflection of light to take place

Use ruler and compass for this question. Construct a circle of radius 4.5 cm. Draw a chord. AB = 6 cm.

1. Find the locus of points equidistant from A and B. Mark the point where it meets the circle as
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Give a reason: Central Maharashtra gets less rainfall than the coastal area of Maharashtra.

With reference to Littoral forest, Name one area in India where this forest is found.

Choose the method of preparation of the following salts, from the methods given in the list:

[List: A. Neutralization B. Precipitation C. Direct combination D. Substitution]

1. Lead chloride
2. Iron (II)
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Give a reason: Chemical fertilizers must be replaced by organic manure

State any two causes for the Non-Cooperation Movement

Write a balanced chemical equation: Chlorine gas is reacted with ethene

Name the acid used for the preparation of hydrogen chloride gas in the laboratory. Why is this particular acid preferred to other acids?

Who appoints the Prime Minister of India

Blood flows in arteries in spurts and is under pressure.

Give scientific reason.