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Mnemonics: Biodiversity and its Conservation | Biology Class 12 - NEET

1. Types of Biodiversity

Mnemonic: "Great Species Exist"

Mnemonic Explanation

Mnemonics: Biodiversity and its Conservation | Biology Class 12 - NEET

2. Causes of Loss of Biodiversity : The Evil Quartet

Mnemonic: "Huge Overgrown Aliens Coexist"

Mnemonic Explanation
Each word represents a primary cause:

Mnemonics: Biodiversity and its Conservation | Biology Class 12 - NEET

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3. Why Should We Conserve Biodiversity?

It is grouped in 3 categories

Mnemonics: Biodiversity and its Conservation | Biology Class 12 - NEET

Mnemonic: "Nature Brings Eternal Value"

Mnemonic Explanation
Each word stands for one of the categories:

  1. Nature - Narrowly utilitarian (direct economic benefits like food, medicines, and materials)
  2. Brings - Broadly utilitarian (ecosystem services like oxygen production and pollination)
  3. Eternal - Ethical (moral duty to preserve biodiversity for its intrinsic value)

4. In- Situ Conservation

Mnemonics: Biodiversity and its Conservation | Biology Class 12 - NEETMnemonic: "Hot Biospheres Naturally Secure Sacred Life"

Mnemonic Explanation
Each part represents an in situ conservation approach:

  1. Hot - Hotspots (biodiversity hotspots with high species richness)
  2. Biospheres - Biosphere reserves
  3. Naturally - National parks
  4. Secure - Sanctuaries
  5. Sacred - Sacred groves
  6. Life - Reminds us of the goal: to protect biodiversity and life forms.
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5. Ex- Situ Conservation

Mnemonics: Biodiversity and its Conservation | Biology Class 12 - NEET

Mnemonic:"Zoo Babies Cry for Seeds"

Mnemonic Explanation
Each word represents a method of ex situ conservation:

  1. Zoo - Zoological parks
  2. Babies - Botanical gardens
  3. Cry - Cryopreservation (preserving gametes)
  4. Seeds - Seed banks
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