Rattibha

UPSC CSE WHY

10 Tweets 17 reads Dec 24, 2023

PYQ analysis of 10 Envt. & Ecology Qs of #UPSC Prelims 2023🧵
Learn how to:
• think in real time exam?
• know which Q to leave?
(Special focus on the species in news)💡

1. Marsupials (eg Kangaroo)
• Females bear young in foetal state
• Mostly found in (semi)-arid region & not only in montane
How to go about solving it? 🤔
• think of examples
• Found in India; not native to Australia only
💡Easy to Eliminate here if an option is wrong

2. Species in News
• Lion Tailed Macaque(EN):
Endemic to Western Ghats, Diurnal
• Sambar Deer(V):
Native to subcontinent, Nocturnal & Elusive
• Malabar Civet(CR):
Endemic to Western Ghats, nocturnal & elusive
💡Hard to solve with guess, skip if you are unaware

3. Invasive Species
How to solve? Read with common sense!
• Which has the largest species database? Red list?
• About IUCN: HQ at Gland, helped est UNEP & CITES too
💡Should take risk in such Qs

4. Some Trick
• Remember this trick?
• Too risky to say NO here
• Give it benefit of doubt!
💡In new pattern, this is free +2

5. Squirrels
Observant #UPSC
• Risky question; answer still lacks clarity
• Revisit your awareness to answer this for Only two
💡Skip such questions if you are too confused

6. Climate & Finances
• Important Theme to cover!
• Water Credit: helps bring small loans, initiative of Water.org
• Carbon Market: tool for putting a price on carbon emissions, establishes trading systems
💡Must attempt such Qs

Water.org

7. Nagoya Protocol
• Access to Genetic Resources + Fair and Equitable Sharing of Benefits
• Biodiversity Act gives BMCs the authority to charge those who collect biological resources
💡Even with limited awareness, elimination works in such Qs

8. Honeybees & Orangutan
Bees been in news, all are common. Must attempt!
Orangutan Q shall go by elimination to eliminate 2 options (Otter&cat) Must attempt!