The Daily Current Affairs Quiz questions are based on various national and regional newspapers including government news sources.
The questions are framed on happenings around you to enhance your competitiveness for news based concepts and facts
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Question 1 of 5
1. Question
What makes biochar an effective tool for carbon sequestration and soil improvement in India?
Correct
Answer: C) It locks carbon in the soil for centuries and enhances soil health
Explanation:
Biochar is created by heating organic waste in low-oxygen conditions. It traps carbon in the soil for hundreds of years, acting as a long-term carbon sink. Additionally, it improves soil quality, water retention, and nutrient availability, especially in degraded soils.
Incorrect
Answer: C) It locks carbon in the soil for centuries and enhances soil health
Explanation:
Biochar is created by heating organic waste in low-oxygen conditions. It traps carbon in the soil for hundreds of years, acting as a long-term carbon sink. Additionally, it improves soil quality, water retention, and nutrient availability, especially in degraded soils.
Question 2 of 5
2. Question
According to the India Meteorological Department (IMD), which condition defines a cloudburst?
Correct
Answer: C) 100 mm of rain within one hour over 10 sq km
Explanation:
As per IMD, a cloudburst is defined as an intense rainfall event that involves at least 100 mm of rain within one hour over an area of 10 sq km. These events are common in the Himalayan region and can trigger flash floods and landslides.
Incorrect
Answer: C) 100 mm of rain within one hour over 10 sq km
Explanation:
As per IMD, a cloudburst is defined as an intense rainfall event that involves at least 100 mm of rain within one hour over an area of 10 sq km. These events are common in the Himalayan region and can trigger flash floods and landslides.
Question 3 of 5
3. Question
Which of the following correctly links a threat to the Great Barrier Reef with its primary cause?
Correct
Answer: B) Physical damage – Caused by cyclones like Cyclone Jasper
Explanation:
Cyclone Jasper and other extreme weather events cause physical damage to coral reefs by disrupting their structure and adding freshwater stress. This is in addition to bleaching events caused by heatwaves due to climate change.
Incorrect
Answer: B) Physical damage – Caused by cyclones like Cyclone Jasper
Explanation:
Cyclone Jasper and other extreme weather events cause physical damage to coral reefs by disrupting their structure and adding freshwater stress. This is in addition to bleaching events caused by heatwaves due to climate change.
Question 4 of 5
4. Question
Why is microplastic pollution particularly dangerous in marine environments?
Correct
Answer: C) They leach toxic chemicals and bioaccumulate in food chains
Explanation:
Microplastics can leach harmful chemicals like BPA and phthalates into the marine environment and are ingested by marine organisms, leading to bioaccumulation of toxins up the food chain. This can harm the reproductive systems and overall health of marine and even human life.
Incorrect
Answer: C) They leach toxic chemicals and bioaccumulate in food chains
Explanation:
Microplastics can leach harmful chemicals like BPA and phthalates into the marine environment and are ingested by marine organisms, leading to bioaccumulation of toxins up the food chain. This can harm the reproductive systems and overall health of marine and even human life.
Question 5 of 5
5. Question
What is the main ecological consequence of mass starfish deaths along North America’s Pacific coast?
Correct
Answer: C) Explosion of sea urchin populations leading to kelp forest loss
Explanation:
Starfish are keystone predators that help control sea urchin populations. Their mass death due to Vibrio pectenicida has led to urchin overpopulation, which overgraze kelp forests, causing biodiversity loss and reduced carbon sequestration.
Incorrect
Answer: C) Explosion of sea urchin populations leading to kelp forest loss
Explanation:
Starfish are keystone predators that help control sea urchin populations. Their mass death due to Vibrio pectenicida has led to urchin overpopulation, which overgraze kelp forests, causing biodiversity loss and reduced carbon sequestration.
