Assignment class 10(science) All chapters Class 10 Notes | EduRev

Class 10 : Assignment class 10(science) All chapters Class 10 Notes | EduRev

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Assignment class 10(science)

Why is control and coordination system necessary in organism?

What is Homeostasis? 

Give example of some of the movement shown by plants?

 What are growth regulators what are the stages of growth in plants.?

State the law of reflection of light?

A concave mirror produces three times magnified real image of an object placed at 10 cm in front of it. where is the image located? 

The magnification produced by a plane mirror is 1 what does it mean?

An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm find the position and nature of the image?

Define the principal focus of a concave mirror? 

What is a neutralization reaction? 

What will be the product of the following reaction HCL NaoH? 

What is brain how does it used in chlor alkali process write the reaction involved?

 What happened to the temperature of water when few drops of concentrated sulphuric acid is added to it? 

Which compound of sodium is used for softening hard water?

What is an impulse? 

what is a synapse? 

what are nerve fibres? 

what are nodesof Ranvier? 

What are the three different types of nerves? 

Draw ray diagram showing the image formation by a convex mirror when an object is placed at infinity? 

Under what condition is an arrangement of two plane mirror incident ray and reflected ray will always be parallel to each other whatever maybe angle of incident to the same with the help of diagram? 

 A 10 mm long awl is placed vertically in front of a concave mirror A 5mm long image of the awl pin is formed at 30 cm in front of the mirror find the focal length of the mirror? 

Name the type of mirror is used in following situation headlight of mirror, rear view mirror of a vehicle , solar furnace support your answer with reason?

A convex mirror used for rear view on an automobile has a radius of curvature of 3.00m if a bus is located at 5.00 metre from this mirror find the position nature and size of the image? 

What would happen if a small amount of copper oxide is taken in a beaker and dilute HCl is added to it? 

What is the pH of pure water and that of rainwater elaborate it? 

How does plaster of paris react with water? Write down the chemical equation? 

What is dilute?why are why care must be taken while mixing concentrated nitric acid and Sulphuric acid with water?

 On which factor does the strength of an acid or a base depend? Explain?

Name the different phytohormones?

What are organs write their function? 

What are cytokines write their function? 

Name the phytohormone hormones that causes ripening of fruits?


        


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