SSC (English Medium) 9th Standard - Maharashtra State Board Question Bank Solutions

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Climatic factors

Complete the statement using the given options and justify the statement. 

Of the abiotic factors that affect biodiversity by far the most important is ______.

Complete the statement using the given options and justify the statements. 

A description of the climatic conditions of short duration in a particular area is ______.

Complete the statement using the given options and justify the statement. 

Irrespective of the progress of human beings, we have to think about ______.

Complete the statement using the given options and justify the statement. 

Establishments where various climatic factors are recorded are called ______.

Which are the various devices used in information communication? How are they used in the context of science?

The first scientist to use a telescope for space observation was ______.

Why are carbon and its compounds used as fuels?

In which compound forms does carbon occur?

A carbon atom forms a ______ bond with other atoms. In this bond the two atoms ______ electrons.

(single, all, double, ionic, carbon, give and take, hydrogen, multiple, share, most, covalent)

All the carbon bonds in a saturated hydrocarbon ______ electrons.

______ is the essential element in all the organic compounds. 

Clarify the difference.

Distance and displacement

The minimum distance between the start and finish points of the motion of an object is called the ______ of the object.

Determine the amount of work done when an object is displaced at an angle of 30° with respect to the direction of the applied force.

Why is the work done on an object moving with uniform circular motion zero?

The velocity of a car increases from 54 km/hr to 72 km/hr. How much is the work done if the mass of the car is 1500 kg?

Ravi applied a force of 10 N and moved a book 30 cm in the direction of the force. How much was the work done by Ravi?

Choose one or more correct alternatives.

For work to be performed, energy must be ______.

1. transferred from one place to another
2. concentrated
3. transformed from one type to another
4. destroyed

Choose one or more correct alternatives.

Joule is the unit of ______.

1. force
2. work
3. power
4. energy