Gujarat Board Class 7 Solution Semester 2 English Chapter 1 The World Around Us Exercise Solution here in this Post. Gujarat State Board Class 7 English Medium English Chapter 1 Solution from Semester 2 Book.
Board |
GSEB Gujarat State |
Textbook |
7 Class |
Semester |
2 (Two) |
Medium |
English |
Subject |
English |
Chapter |
1 |
Chapter Name |
The World Around Us |
Gujarat Board Class 7 English Sem 2 (English) Chapter 1 The World Around Us Solution:
Match the words in A with B
A | B |
(1) Essential | (c) Air, Food |
(2) Habitat | (a) Fish-water, Birds/Animals, Forest/tree |
(3)Production | (f) Agriculture, Industry. |
(4) Dispose | (e) Garbage, waste |
(5) Recreation | (d) Yoga, dance, music, sports. |
(6) component | (b) Car-Tyre, Music-Harmony, Blood-water |
How much water do you use every day? Add daily activities to the list.
No | Daily activity | Amount of water in litres |
1 | Brushing teeth | 1 lit |
2 | Bath/Shower | 10 lit |
3 | Washing cloths | 9 lit |
Total/day | ||
20lit |
Talk to the people at home and find how much water is used at your home every day, every week, every month and every year to complete the following passage.
There are 4 members in my family. My family uses 20 lits of water every day. And 140 lit in a week. If i add all family members water usage of the week, we use 200 lits of water every week; this means we use 560 litres every month and 6720 litres every year.
Activity: 6
Which are two major disadvantages of non-renewable energy?
Ans: – The two major disadvantages of non –renewable energy are –
(i) Non – renewable sources will end one day
(ii) Non – renewable sources of energy also pollute the environment.
(i) Cycle = Recycle
(ii) Fill = Refill
(iii) Write = Rewrite
(iv) Examine = Re-examine
(v) Turn = Return
(vi) Sell = Resell,
(vii) Join = Rejoin
(viii) Gain = Regain
(ix) Sleep = Resleep
Activity: 7
(1)Work of Wind Turbine:
(a) Inflow of wind.
(b) Inflow of wind activates Rotor and blades.
(c) Rotor and blades spin the main shaft and gearbox which spins the generator.
(2) Work of Solar heater:
(a) Solar panel to heat water.
(b) Cool water is entered by the inlet in the transparent top.
(c) The cool water is passed through the water pipe.
(d) Sun rays help this process. It acts as heat energy.
(e) Warm water is outed by the outlet through the box.
Activity: 8
At home | In the kitchen | At the school | While travelling |
(1) Turn of un-necessary lights.
(10) Don’t leave your T.V or computer on standby mode. |
(2) Use solar heaters
(4) Your gas stove flame should be blue. (5) Cover utensils while cooking food. (6) Use pressure cooker and micro wave ovens as they save cooking time. |
(7) save paper reuse paper print on both side of the page. | (3) Buy and use fuel efficient vehicles.
(8) Walk or ride bicycle whenever possible. (9) Use public transport whenever possible. |
Activity 9
WORLD WITHOUT CHOCOLATE:
Can you think of some ways in which biodiversity keeps you alive? List any three of them:
Ans:-The ways in which biodiversity keeps alive-
(1) Walk or ride bicycle whenever possible.
(2) Save tree.
(3) Use solar heater.
Which your activities affect biodiversity? List any three, and note their effects:
Activities | Effects |
Cutting down tree | Lack of oxygen in the air that cause death of living organism. |
Riding in a car | Cause air and sound pollution |
Use of plastic | Cause soil and air pollution. |