Environment Studies

Unit 4: MCQ Practice — levels, values, hotspots, threats and conservation
25 MCQs with Answers & Explanations (English + Hinglish) • BA • Semester 1 (AEC)

๐ŸŒ How to use: Har MCQ ka correct answer green me marked hai. Pehle khud answer socho, phir green tick se match karo. Neeche ๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish box me short explanation hai taaki yaad rahe.
๐Ÿ“ Exam pattern yaad rakho (50 marks, MCQ only): Poora paper MCQs ka hai — har question 1 mark, no negative marking. Har MCQ ke neeche correct option green me highlighted hai + 1–2 line explanation diya hai.

Q1 The term “biodiversity” was coined by: 1 mark

  • ACharles Darwin, 1859
  • BA. R. Wallace, 1876
  • CWalter G. Rosen, 1985 ✓ Correct
  • DErnst Haeckel, 1866
Explanation: US biologist Walter G. Rosen coined 'biodiversity' in 1985; E. O. Wilson popularised it.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

US biologist Walter G. Rosen ne 1985 me 'biodiversity' coin kiya; E. O. Wilson ne ise popular kiya.

Q2 The three levels of biodiversity are: 1 mark

  • ALand, water and air diversity
  • BGenetic, species and ecosystem diversity ✓ Correct
  • CForest, desert and ocean diversity
  • DPlant, animal and human diversity
Explanation: Diversity exists within species (genes), between species, and between ecosystems.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Diversity species ke andar (genes), species ke beech, aur ecosystems ke beech exist karti hai.

Q3 The concept of biodiversity hotspots was given by: 1 mark

  • ANorman Myers ✓ Correct
  • BWalter Rosen
  • CE. O. Wilson
  • DCharles Darwin
Explanation: British ecologist Norman Myers identified hotspots โ€” regions with exceptional, threatened diversity.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

British ecologist Norman Myers ne hotspots identify kiye โ€” exceptional, threatened diversity wale regions.

Q4 How many biodiversity hotspots are recognised in India? 1 mark

  • ATwo
  • BEight
  • CTen
  • DFour ✓ Correct
Explanation: India has 4 of the world's 36 hotspots: Himalaya, Western Ghatsโ€“Sri Lanka, Indo-Burma, Sundaland (Nicobar).
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

India me duniya ke 36 me se 4 hotspots hain: Himalaya, Western Ghatsโ€“Sri Lanka, Indo-Burma, Sundaland (Nicobar).

Q5 Which of the following is a biodiversity hotspot in India? 1 mark

  • AThar Desert
  • BGangetic Plain
  • CDeccan Plateau
  • DWestern Ghats ✓ Correct
Explanation: The Western Ghats (with Sri Lanka) is a global hotspot rich in endemic species.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Western Ghats (Sri Lanka ke saath) endemic species se rich global hotspot hai.

Q6 India is divided into how many biogeographic zones? 1 mark

  • AFour
  • BFifteen
  • CTen ✓ Correct
  • DFive
Explanation: Rodgers and Panwar (1988) divided India into 10 zones, from Trans-Himalaya to the Islands.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Rodgers aur Panwar (1988) ne India ko Trans-Himalaya se Islands tak 10 zones me divide kiya.

Q7 An “endemic” species is one which: 1 mark

  • AIs found only in a particular region ✓ Correct
  • BMigrates seasonally
  • CIs found all over the world
  • DHas become extinct
Explanation: Endemics occur nowhere else โ€” e.g. the lion-tailed macaque only in the Western Ghats.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Endemics kahin aur nahi milte โ€” e.g. lion-tailed macaque sirf Western Ghats me.

Q8 The lion-tailed macaque, an endangered primate, is endemic to the: 1 mark

  • AThar Desert
  • BHimalaya
  • CSundarbans
  • DWestern Ghats ✓ Correct
Explanation: This striking monkey with a lion-like tail lives only in the Western Ghats rainforests.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Lion-like tail wala ye striking monkey sirf Western Ghats ke rainforests me rehta hai.

Q9 The Asiatic lion is now found in the wild only at: 1 mark

  • ASundarbans, Bengal
  • BRanthambore, Rajasthan
  • CKaziranga, Assam
  • DGir, Gujarat ✓ Correct
Explanation: The last wild Asiatic lions (~700) survive in and around Gir National Park, Gujarat.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Last wild Asiatic lions (~700) Gujarat ke Gir National Park me aur aas-paas survive karte hain.

Q10 The one-horned rhinoceros is best protected at: 1 mark

  • AGir, Gujarat
  • BKaziranga, Assam ✓ Correct
  • CCorbett, Uttarakhand
  • DBandipur, Karnataka
Explanation: Kaziranga National Park holds the world's largest population of the Indian one-horned rhino.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Kaziranga National Park me Indian one-horned rhino ki duniya ki largest population hai.

Q11 The Red Data Book, listing threatened species, is published by: 1 mark

  • AWWF
  • BWHO
  • CIUCN ✓ Correct
  • DUNEP
Explanation: The IUCN Red List/Red Data Book is the global authority on species' extinction risk.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

IUCN Red List/Red Data Book species ke extinction risk pe global authority hai.

Q12 The headquarters of IUCN is at: 1 mark

  • ARome, Italy
  • BGland, Switzerland ✓ Correct
  • CNairobi, Kenya
  • DParis, France
Explanation: IUCN (International Union for Conservation of Nature) is based at Gland, Switzerland.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

IUCN (International Union for Conservation of Nature) Gland, Switzerland me based hai.

Q13 In-situ conservation means protecting species: 1 mark

  • AIn their natural habitat ✓ Correct
  • BIn museums
  • CIn laboratories
  • DIn zoos
Explanation: In-situ = 'on site': national parks, sanctuaries and biosphere reserves protect wildlife at home.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

In-situ = 'on site': national parks, sanctuaries aur biosphere reserves wildlife ko uske ghar pe protect karte hain.

Q14 Which of the following is an ex-situ conservation method? 1 mark

  • AZoo and botanical garden ✓ Correct
  • BWildlife sanctuary
  • CNational park
  • DBiosphere reserve
Explanation: Ex-situ = 'off site': zoos, seed banks, botanical gardens and cryopreservation outside natural habitat.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Ex-situ = 'off site': natural habitat ke bahar zoos, seed banks, botanical gardens aur cryopreservation.

Q15 Project Tiger was launched in India in the year: 1 mark

  • A1972
  • B1980
  • C1973 ✓ Correct
  • D1986
Explanation: Project Tiger (1973) created tiger reserves like Corbett and Ranthambore to save the national animal.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Project Tiger (1973) ne national animal ko bachane ke liye Corbett aur Ranthambore jaise tiger reserves banaye.

Q16 The Wildlife (Protection) Act of India was passed in: 1 mark

  • A1980
  • B1986
  • C1972 ✓ Correct
  • D1974
Explanation: This landmark Act (1972) bans hunting and creates protected areas across India.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Ye landmark Act (1972) hunting ban karta hai aur poore India me protected areas banata hai.

Q17 India has approximately how many national parks? 1 mark

  • A50
  • B200
  • C106 ✓ Correct
  • D18
Explanation: India has 106 national parks (e.g. Corbett, Kaziranga, Gir) plus 570+ wildlife sanctuaries.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

India me 106 national parks hain (e.g. Corbett, Kaziranga, Gir) plus 570+ wildlife sanctuaries.

Q18 The number of biosphere reserves in India is: 1 mark

  • A36
  • B50
  • C10
  • D18 ✓ Correct
Explanation: India's 18 biosphere reserves include Nilgiri, Nanda Devi and the Sundarbans.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

India ke 18 biosphere reserves me Nilgiri, Nanda Devi aur Sundarbans shaamil hain.

Q19 The single biggest threat to biodiversity worldwide is: 1 mark

  • AZoos
  • BHabitat loss and destruction ✓ Correct
  • CResearch
  • DTourism
Explanation: Deforestation, wetland drainage and urbanisation destroy species' homes faster than any other cause.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Deforestation, wetland drainage aur urbanisation species ke homes ko sabse tez destroy karte hain.

Q20 Keoladeo National Park (Bharatpur) is famous for: 1 mark

  • ATigers
  • BAsiatic lions
  • CMigratory birds including Siberian cranes ✓ Correct
  • DOne-horned rhinos
Explanation: Keoladeo's wetlands host thousands of migratory birds every winter, including Siberian cranes.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Keoladeo ke wetlands har winter thousands migratory birds host karte hain, Siberian cranes samet.

Q21 The Silent Valley rainforest, saved by a people's movement, is in: 1 mark

  • AKerala ✓ Correct
  • BKarnataka
  • CTamil Nadu
  • DAssam
Explanation: Silent Valley (Kerala) was saved from a hydroelectric dam in the 1970sโ€“80s.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Silent Valley (Kerala) 1970sโ€“80s me ek hydroelectric dam se bachaya gaya tha.

Q22 India’s Biological Diversity Act was passed in: 1 mark

  • A1986
  • B2002 ✓ Correct
  • C1972
  • D1992
Explanation: The Biodiversity Act (2002) regulates access to biological resources and protects traditional knowledge.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Biodiversity Act (2002) biological resources ke access ko regulate karta hai aur traditional knowledge protect karta hai.

Q23 Cryopreservation of seeds and germplasm is a method of: 1 mark

  • AHunting regulation
  • BEx-situ conservation ✓ Correct
  • CIn-situ conservation
  • DAfforestation
Explanation: Freezing genetic material in gene banks preserves diversity outside natural habitats.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Gene banks me genetic material freeze karna natural habitats ke bahar diversity preserve karta hai.

Q24 The dodo bird of Mauritius is an example of a/an: 1 mark

  • AExtinct species ✓ Correct
  • BEndangered species
  • CEndemic species
  • DVulnerable species
Explanation: The dodo was hunted to extinction in the 17th century โ€” a classic warning against overexploitation.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

Dodo 17th century me hunt karke extinct kar diya gaya โ€” overexploitation ke khilaaf classic warning.

Q25 Sacred groves protected by local communities help in: 1 mark

  • ADam building
  • BIn-situ conservation ✓ Correct
  • CRoad construction
  • DMining
Explanation: Community-guarded sacred forests in India preserve biodiversity in its natural home.
๐Ÿ‡ฎ๐Ÿ‡ณ Hinglish me yaad karo:

India me community-guarded sacred forests biodiversity ko uske natural home me preserve karte hain.

End of Unit 4 MCQ Practice — 25 questions. Revise the explanations before the exam.