Question : In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Our beautiful ecosystem is being systematically (1)____ by industrial pollution channelled into rivers like the Ganga and the Yamuna, nuclear wastes from atomic plants muted into the world’s oceans, and (2)____ gases such as carbon dioxide mixed with the ozonosphere. Besides, tropical rainforests and green pastures are disappearing (3)_____ the pressure of a proliferating population. Dams are being (4)_____ over the rivers like the Narmada to change nature’s well-balanced surface equations between flora and fauna, and sloping mountainous terrain is being converted into mini oceans to supply electricity to the ever-starving industrial stomach of our age. Elephants, tigers, the wild rhinos of South Africa and many other forest creatures have become (5)_____ species.
Question
Select the most appropriate option to fill in the blank number 2.
Option 1: poisonous
Option 2: useful
Option 3: nuclear
Option 4: hygienic
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Correct Answer: poisonous
Solution : The first option is correct.
Explanation: The context of the passage discusses the negative impact on the ecosystem due to various forms of pollution. In this context, the adjective poisonous accurately describes the nature of the gases mentioned, such as carbon dioxide, which contributes to pollution and environmental damage. It aligns with the theme of pollution and its harmful effects on the environment.
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