Biogeography & Ecosystems
Theme: Geography
86 PYQs. Master elimination tricks first, then attempt individual questions below.
Top elimination tricks
PYQs in Biogeography & Ecosystems
UPSC Prelims 2026
Which of the following best explain(s) the rationale for protecting mangrove ecosystems in the context of climate resilience? 1. Mangroves reduce tidal energ...
Which of the following statements in relation to NIRANTAR (National Institute for Research and Application of Natural Resources to Transform, Adapt and Build...
Consider the following statements about Rhynchostylis retusa (Foxtail orchid) : 1. It is an epiphytic orchid. 2. The species is endemic to North-east India. ...
Consider the following assertion : In the Pleistocene period either the Yamuna once flowed into the Indus, or the Sutlej flowed into the Yamuna and one major...
Which of the following statements with regard to India's Deep Ocean Mission is/are correct? 1. It was launched by the Ministry of Ports, Shipping and Waterwa...
UPSC Prelims 2025
UPSC Prelims 2024
Consider the following: 1. Carabid beetles 2. Centipedes 3. Flies 4. Termites 5. Wasps Parasitoid species are found in how many of the above kind of organisms?
Which one of the following shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this tree?
One of the following regions has the world's largest tropical peatland, which holds about three years worth of global carbon emissions from fossil fuels; and...
Consider the following pairs: Country - Animal found in its natural habitat 1\. Brazil - Indri 2\. Indonesia - Elk 3\. Madagascar - Bonobo How man...