Read the passage carefully and answer the questions given below- For many people who live in cities, parks are an important part of the landscape. They provide a place for people to relax and play sports, as well as a refuge from the often harsh environment of a city. What people often overlook is that parks also provide considerable environmental benefits. One benefit of parks is that plants absorb carbon dioxide—a key pollutant—and emit oxygen, which humans need to breathe. According to one study, an acre of trees can absorb the same amount of carbon dioxide that a typical car emits in 11,000 miles of driving. Parks also make cities cooler. Scientists have long noted what is called the Urban Heat Island Effect: building materials such as metal, concrete, and asphalt absorb much more of the sun’s heat and release it much more quickly than organic surfaces like trees and grass. Because city landscapes contain so much of these building materials, cities are usually warmer than surrounding rural areas. Parks and other green spaces help to mitigate the Urban Heat Island Effect. Unfortunately, many cities cannot easily create more parks because most land is already being used for buildings, roads, parking lots, and other essential parts of the urban environment. However, cities could benefit from many of the positive effects of parks by encouraging citizens to create another type of green space: rooftop gardens. While most people would not think of starting a garden on their roof, human beings have been planting gardens on rooftops for thousands of years. Some rooftop gardens are very complex and require complicated engineering, but others are simple container gardens that anyone can create with the investment of a few hundred dollars and a few hours of work. Rooftop gardens provide many of the same benefits as other urban park and garden spaces, but without taking up the much-needed land. Like parks, rooftop gardens help to replace carbon dioxide in the air with nourishing oxygen. They also help to lessen the Urban Heat Island Effect, which can save people money. In the summer, rooftop gardens prevent buildings from absorbing heat from the sun, which can significantly reduce cooling bills. In the winter, gardens help hold in the heat that materials like brick and concrete radiate so quickly, leading to savings on heating bills. Rooftop vegetable and herb gardens can also provide fresh food for city dwellers, saving them money and making their diets healthier. Rooftop gardens are not only something everyone can enjoy, they are also a smart environmental investment. 11.Which gas absorbs plants?
1 point
carbondioxide
oxygen
pollution
nitrogen
12. Which gas release the plants?
1 point
a. Oxygen
b. Carbondioxide
c. Asphalt
d. Trees
13. Which of the following best describes the main difference between parks and rooftop gardens?
1 point
a. Parks are expensive to create while rooftop gardens are not.
b. Parks are public while rooftop gardens are private.
c. Parks absorb heat while rooftop gardens do not.
d. Parks require much space while rooftop gardens do not.
14. The author claims all of the following to be benefits of rooftop gardens except
1 point
a. increased space for private relaxation
b. savings on heating and cooling costs
c. better food for city dwellers
d. improved air quality
15. How are rooftop gardens a smart environmental investment?
1 point
a. reduce cooling bills in summer
b. reduce heating bills in winter
c. provide fresh food for city dwellers
d. all the above
16. The word which means the same as ‘reduce’
1 point
a. benefits
b. emits
c. mitigate
d. effects
17. The word which means the same as ‘asset’
1 point
a. investment
b. divestment
c. complex
d. complicated
18. The word which means the opposite of ‘mild’
1 point
a. soft
b. harsh
c. reduce
d. radiate
19. What do you mean by rooftop garden ?
1 point
Garden on the roof
top garden
outside on the roof
parking place
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The answers for the following passage are:
11) Plants absorb carbon dioxide. (a)
12) The gas released by plants is oxygen (a)
13) The main distinction which can be drawn between parks and rooftop gardens is that parks are expensive to create while rooftop gardens are not. (a)
14) The author claims all of the benefits of rooftop gardens except increased space for private relaxation. (a)
15) The rooftop gardens are a smart environmental investment because they help in reducing heating and cooling bills and providing fresh food for city dwellers. (d)
16) The word which means the same as reduce is mitigate. (c)
17) Asset is the same as an investment. (a)
18) Harsh is the opposite of mild.(b)
19) Rooftop garden means "garden on the roof".(a)
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