List of top Questions asked in CBSE Class VIII

Match items in column A with those in column B.

A		B
(i)	Kharif crops	(a)	Food for cattle
(ii)	Rabi crops	(b)	Urea and super phosphate
(iii)	Chemical fertilizers	(c)	Animal excreta, cow dung urine and plant waste
(iv)	Organic manure	(d)	Wheat, gram, pea
		(e)	Paddy and maize

Simplify and solve the linear equation \(3(t-3)=5(2t+1)\)

A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?

Express the number appearing in the following statements in standard form.
(i) 1 micron is equal to \(\frac{1}{1000000}\) m
(ii) Charge of an electron is 0.000,000,000,000,000,000,16 coulomb.
(iii) Size of a bacteria is 0.0000005 m
(iv) Size of a plant cell is 0.00001275 m
(v) Thickness of a thick paper is 0.07 mm

The weather department has predicted that a thunderstorm is likely to occur on a certain day. Suppose you have to go out on that day. Would you carry an umbrella? Explain.

Suppose 2 kg of sugar contains 9 x 106 crystals. How many sugar crystals are there in (i) 5 kg of sugar? (ii) 1.2 kg of sugar?

Prepare a list of objects around you that are electroplated.

Which sentence in the text shows that the visitor did not try to hide his identity?

If each edge of a cube is doubled,
(i) how many times will its surface area increase
(ii) how many times will its volume increase

If a box of sweets is divided among 24 children, they will get 5 sweets each. How many would each get, if the number of the children is reduced by 4?

A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m.

Factorise

\(a^ 4 - b^ 4\)
\(p^ 4 - 81\)
\(x^ 4 - (y + z)^ 4\)
\(x^ 4 - (x - z)^ 4\)
\(a ^4 - 2a ^2b^ 2 + b ^4\)

Differentiate between regular and diffused reflection. Does diffused reflection mean the failure of the laws of reflection?

How many images of a candle will be formed if it is placed between two parallel plane mirrors separated by 40 cm?

You spill a bucket of soapy water on a marble floor accidently. Would it make it easier or more difficult for you to walk on the floor? Why

Do you think the title of this story is suitable for it ? Can you think of any other title(s) ?

What did he find in a secret drawer? Who do you think had put it in there?

Describe characteristics and uses of coke.

In what ways did the British officers exploit Indians?

What are the major groups of microorganisms?

Do you think Jim Macpherson came back from the war? How do you know this?

What are weeds? How can we control them?

Look at these sentences from the story.

I spotted it in a junk shop in Bridport...

The man said it was made in the early nineteenth century…

This one was in a bad condition…

The italicised verbs are in the past tense. They tell us what happened in the past, before now.

(i) Read the passage below and underline the verbs in the past tense. A man got on the train and sat down. The compartment was empty except for one lady.

She took her gloves off. A few hours later the police arrested the man. They held him for 24 hours and then freed him.

The following Table shows the total power shortage in India from 1991–1997. Show the data in the form of a graph. Plot shortage percentage for the years on the Y-axis and the year on the X-axis.

S. No.	Year	Shortage (%)
1	1991	7.9
2	1992	7.8
3	1993	8.3
4	1994	7.4
5	1995	7.1
6	1996	9.2
7	1997	11.5

A milk tank is in the form of cylinder whose radius is 1.5 m and length is 7 m. Find the quantity of milk in litres that can be stored in the tank.

List of top Questions asked in CBSE Class VIII

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