Very short answer questions
I. Choose the correct answer to fill in the blanks.
petrol pump, naturally, solar, petroleum, two-third, cough, bicycles, big machines, petrol, ground, diesel, 18, engine, fuel, refinery, petroleum, damp
a) Adalaj step well is about _____ km away from Ahmedabad.
b) There were hardly any __________ on the highway.
c) Vehicles run on __________.
d) Vehicles stopped at the __________ for fuel.
e) On the posters at the petrol pump, it is written that __________ and __________ will not last forever.
f) Petrol is formed __________ but very slowly. g) Petrol is found deep down under the __________.
h) __________ is a smelly, thick, dark coloured liquid.
i) We get kerosene, diesel, petrol, engine oil, wax etc. from __________.
j) Petroleum is cleaned and its products are separated in a __________.
k) We need __________ to pump the petrol out and clean it.
l) There is a lot of smoke when __________ wood is burnt.
m) __________ energy is renewable and unlimited.
n) About __________ people in our country, use cow dung cakes (uple), wood and dry twigs, etc.
o) We should switch off the __________ when we stop our vehicles at a red light.
p) __________ is a health hazard caused due to the smoke emitted from vehicles.
II. Tick ✔ the correct answer.
What is the advantage of using CNG over petrol?
i) It can be filled in cylinders.( )
ii) It gives out less smoke.( )
iii) It gives more power.( )
iv) It is freely available.( )
III. 1 mark questions. (Short answer questions)
a) Where is Adalaj step well located?
b) Why was a child sitting in a rickshaw coughing badly?
c) From where do we get petrol?
d) How is petrol pumped out?
e) What do women in the village use to make a fire to cook food?
f) Which states of India have oil fields?
g) Besides oil, what else is found deep inside the earth?
IV. 2 mark questions. (Long answer questions)
a) Why do majority of people in our country use cow dung cakes (uple), wood and dry twigs as fuel?
b) Write the full forms: (i) LPG (ii) CNG
c) Why is CNG preferred as a fuel to petrol and diesel?
d) Name the products obtained from petroleum.
e) What are the uses of petroleum?
f) How can we save petrol? (or) Suggest some ways to save petrol.
g) What kind of problems do we face if the number of vehicles keeps on increasing on the roads? h) What is a refinery?
i) The rates of petrol and diesel in Delhi are given below. Look at the table and answer the following questions:
|Oil||Rate of one litre in 2008||Rate of one litre in 2011|
|Petrol||Rs. 50||Rs. 66|
|Diesel||Rs. 35||Rs. 41|
i) In three years the rate of petrol went up by _________ rupees.
ii) In three years the rate of diesel increased by ________ rupees.
iii) _________ was the difference in the rates of petrol and diesel in the year 2008.
iv) _________ is the difference in the rates of petrol and diesel in the year 2011.
j) Study the chart carefully and answer the questions that follow:
i) In the year 1976, out of 100, _________ houses used uple and wood.
ii) Out of 100 _________ houses were using electricity in 1996.
iii) The fuel used least in 1976 is _____________.
iv) The increase in the use of LPG and Kerosene in the year 1996 when compared to the use in 1976 is _______.