OPSC OAS · General Studies (Paper I)
Environmental ecology and biodiversity
Ecosystems, food chain, biodiversity hotspots, conservation.
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Take a full mock →Q1 · Environmental ecology and biodiversity · MEDIUM
Consider the following statements regarding coral reefs: 1. They are found exclusively in tropical waters between 30°N and 30°S latitudes. 2. Zooxanthellae are symbiotic algae that provide corals with nutrients through photosynthesis. 3. Rising ocean temperatures lead to coral bleaching. Which of the statements given above is/are correct?
Q2 · Environmental ecology and biodiversity · HARD
Consider the following statements about biodiversity hotspots: 1. To qualify as a biodiversity hotspot, a region must contain at least 1,500 species of endemic vascular plants. 2. The region must have lost at least 70% of its primary vegetation. 3. India has four biodiversity hotspots. Which of the statements given above is/are correct?
Q3 · Environmental ecology and biodiversity · HARD
Nalabana Bird Sanctuary, which attracts migratory birds from Siberia and Central Asia, is located in which of the following?
Q4 · Environmental ecology and biodiversity · HARD
Consider the following statements about the Simlipal Biosphere Reserve: 1. It is a part of the Eastern Ghats mountain range. 2. It was designated a UNESCO Biosphere Reserve. 3. It is home to melanistic (black) tigers. Which of the statements given above is/are correct?
Q5 · Environmental ecology and biodiversity · MEDIUM
Mangrove forests are found along the coasts of India. Which of the following statements about mangroves is/are correct? 1. Pneumatophores are specialized roots that help mangroves absorb oxygen. 2. Mangroves serve as a natural barrier against cyclones and tsunamis. 3. The Sundarbans mangrove forest is shared between India and Sri Lanka. Select the correct answer: