Q2 of 27 Page 1

Write the energy conversion that takes place in a hydropower plant.

Hydropower plant is an example of a traditional source of energy in which the kinetic energy of the flowing water is converted into electricity. The plant transforms the potential energy of water stored at height in the reservoir of a dam into kinetic energy of flowing water. As the water run down through a pipe to the turbine, where electricity is produced through a suitable process.


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1

A Mendelian experiment consisted of breeding pea plants bearing violet flowers with pea plants bearing white flowers. What will be the result in F1 progeny?

 3

A compound ‘X’ on heating with excess conc. sulphuric acid at 443 K gives an unsaturated compound ‘Y’. ‘X’ also reacts with sodium metal to evolve a colourless gas ‘Z’. Identify ‘X’, ‘Y’ and ‘Z’. Write the equation of the chemical reaction of formation of ‘Y’ and also write the role of sulphuric acid in the reaction.

 4

(a) Name one gustatory receptor and one olfactory receptor present in human beings.

(b) Write a and b in the given flow chart of neuron through which information travels as an electrical impulse.



 5

If the image formed by a spherical mirror for all positions of the object placed in front of it is always erect and diminished, what type of mirror is it? Draw a labelled ray diagram to support your answer.