The historic Convention on Biological Diversity, "The Earth Summit" was held in Rio de Janeiro in the year:

NEET-2023 [Biodiversity-and-Conservation] [class-xii ]

• 2002
• 1992
• 1985
• 1986
Correct Option: B  [ 1992 ]

Remark:

Among "The Evil Quartet", which one is considered the most important cause driving extinction of species?

NEET-2023 [Biodiversity-and-Conservation] [Class-X ]

• Co-extinctions
• Habitat loss and fragmentation
• Over exploitation for economic gain
• Alien species invasions
Correct Option: B  [ Habitat loss and fragmentation ]

Remark:

Which of the following is not a method of ex situ conservation?

NEET-2022 [Biodiversity-and-Conservation] [class-xii ]

• In vitro fertilization
• National Parks
• Micropropagation
• Cryopreservation
Correct Option: B  [ National Parks ]

Remark:

Habitat loss and fragmentation, over exploitation, alien species invasion and co-extinction are causes for:

NEET-2022 [Biodiversity-and-Conservation] [class-xii ]

• Population explosion
• Competition
• Biodiversity loss
• Natality
Correct Option: C  [ Biodiversity loss ]

Remark:

In-situ conservation refers to:

NEET-2022 [Biodiversity-and-Conservation] [class-xii ]

• Conserve only high risk species
• Conserve only endangered species
• Conserve only extinct species
• Protect and conserve the whole ecosystem
Correct Option: D  [ Protect and conserve the whole ecosystem ]

Remark:

In the following in each set a conservation approach and an example of method of conservation are given:
A. In situ conservation - Biosphere Reserve
B. Ex situ conservation - Sacred groves
C. In situ conservation - Seed bank
D. Ex situ conservation - Cryopreservation
Select the option with correct match of approach and method:

NEET-(Oct)2020 [Biodiversity-and-Conservation] [class-xii ]

• (A) and (C)
• (A) and (D)
• (B) and (D)
• (A) and (B)
Correct Option: B  [ (A) and (D) ]

Remark:

Which of the following regions of the globe exhibits highest species diversity?

NEET-(Sept)2020 [Biodiversity-and-Conservation] [class-xii ]

• Western Ghats of India
• Madagascar
• Himalayas
• Amazon forests
Correct Option: D  [ Amazon forests ]

Remark:

According to Robert May, the global species diversity is about:

NEET-(Sept)2020 [Biodiversity-and-Conservation] [class-xii ]

• 1.5 million
• 20 million
• 50 million
• 7 million
Correct Option: D  [ 7 million ]

Remark:

Which of the following is the most important causes for animals and plants being driven to extinction?

NEET-2019 [Biodiversity-and-Conservation] [class-xii ]

• Alien species invasion
• Economic exploitation
• Drought and floods
• Habitat loss and fragmentation
Correct Option: D  [ Habitat loss and fragmentation ]

Remark:

Which one of the following is not a method of in situ conservation of biodiversity?

NEET-2019 [Biodiversity-and-Conservation] [class-xii ]

• Biosphere Reserve
• Botanical Garden
• Wildlife Sanctuary
• Sacred Grove
Correct Option: B  [ Botanical Garden ]

Remark: