CBSE science

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Question
CBSEENSC10014921

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

Solution

Energy can neither be created nor be destroy but change into one form to other. 

This principle works in a hydropower plant. When water falls on the turbine, the stored potential energy is converted into the kinetic energy.

Kinetic energy is converted into electrical energy known as hydro-electricity.

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Question
CBSEENSC10014922

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

Solution

The plants bearing violet coloured of the flower is dominant over a white coloured flower in pea plant.

Question
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Name one gustatory receptor and one olfactory receptor present in human beings.

Solution

One gustatory receptor: Tongue
One olfactory receptor: Nose

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

Denrite  a  b   End Point of Newron

Solution

Denrite  Cyton  Axon   End Point of Newron

Question
CBSEENSC10014925

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.

Solution

To get erect and diminished image mirror used is a convex mirror.

Image result for convex mirror zigya