Question Details

Read the given passage and answer the questions that follow:

A global light pollution map developed by a group of researchers has ranked New Delhi, Kolkata and Bengaluru as the three cities with the highest light pollution in India. It should serve to alert us to the looming problem of light pollution about which we are not only doing so little to prevent but are also unaware about. Light pollution refers to the harmful impact of artificial outdoor lighting. While artificial outdoor lighting is needed in the form of street lights as it increases safety on roads and enables us to study and work in the dark, its use for floodlighting, illumination, advertising, etc. has grown manifold in recent decades, resulting in the problem of light pollution. Studies show that the brightness from outdoor lights has risen steadily across India over a 20 year period, with New Delhi, Telangana, Maharashtra, Karnataka and Uttar Pradesh showing a “very high light intensity pollution” rise between 1993 and 2013. The use of excessive artificial outdoor lighting has several harmful implications not just for human health but for the wellbeing of animals, birds, insects and our environment. Use of artificial lights at night gives us more working and studying hours but it results in the problem of ‘loss of night’. We find it difficult to fall asleep when the glow of streets enters our homes. It impacts our sleep-wake rhythm, which could have serious implications for our moods and health. Illumination of gardens impacts animals and insects too. It is nocturnal insects and birds that suffer the most due to light pollution. It makes them disoriented, impacts their reproduction and thus, their populations.


The loss of night, as mentioned in the passage, will lead to

Options

A

Increase in education.

B

More human productivity.

C

The altered activities of nocturnal creatures

D

The well-being of human population

Show Answer

Correct Answer :

Option C

The altered activities of nocturnal creatures

Solution :

Correct Answer: The altered activities of nocturnal creatures

Step-by-step Explanation:

1. Analyze the Question: The question asks about the consequences of the "loss of night" as described in the provided passage.

2. Locate Relevance in the Passage:
Let's scan the text for the phrase "loss of night" and its associated effects:
• The passage states: "Use of artificial lights at night gives us more working and studying hours but it results in the problem of ‘loss of night’."
• It then details the consequences of this phenomenon: "We find it difficult to fall asleep... It impacts our sleep-wake rhythm, which could have serious implications for our moods and health."
• Critically, it connects this further to wildlife: "Illumination of gardens impacts animals and insects too. It is nocturnal insects and birds that suffer the most due to light pollution. It makes them disoriented, impacts their reproduction and thus, their populations."

3. Evaluate the Options:
"Increase in education": The passage mentions study hours increase, but "loss of night" itself is described as a harmful "problem", not a driver for increased education.
"More human productivity": While night lights allow more working hours, the overall health and sleep-wake rhythm disruption represents a negative impact rather than a positive contribution to long-term well-being or productive health.
"The altered activities of nocturnal creatures": The passage explicitly notes that the illumination disrupts nocturnal insects and birds, making them disoriented and impacting their reproduction and populations (which directly refers to altered activities).
"The well-being of human population": The passage states it has "serious implications for our moods and health", meaning it harms well-being rather than leading to it.

4. Conclusion: Therefore, the option that correctly identifies a direct, negative consequence of the loss of night described in the text is "The altered activities of nocturnal creatures".

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