Class XII · Biology practice
Biodiversity and Conservation PYQs Check your understanding, bookmark questions and revisit your mistakes.
Enable JavaScript to check answers and save progress. Stored explanations remain available below.
21 questions in this collection · Page 1 of 3
Biodiversity And Conservation
The historic Convention on Biological Diversity, "The Earth Summit" was held in Rio de Janeiro in the year:
A 2002 B 1992 C 1985 D 1986
Show explanation
Bookmark
Try again
Request an AI explanation using Show explanation.
Biodiversity And Conservation
Which of the following is not a method of ex situ conservation?
A In vitro fertilization B National Parks C Micropropagation D Cryopreservation
Show explanation
Bookmark
Try again
Request an AI explanation using Show explanation.
Biodiversity And Conservation
Habitat loss and fragmentation, over exploitation, alien species invasion and co-extinction are causes for:
A Population explosion B Competition C Biodiversity loss D Natality
Show explanation
Bookmark
Try again
Request an AI explanation using Show explanation.
Biodiversity And Conservation
In-situ conservation refers to:
A Conserve only high risk species B Conserve only endangered species C Conserve only extinct species D Protect and conserve the whole ecosystem
Show explanation
Bookmark
Try again
Request an AI explanation using Show explanation.
Biodiversity And Conservation
In the following in each set a conservation approach and an example of method of conservation are given:
A (A) and (C) B (A) and (D) C (B) and (D) D (A) and (B)
Show explanation
Bookmark
Try again
Request an AI explanation using Show explanation.
Biodiversity And Conservation
Which of the following regions of the globe exhibits highest species diversity?
A Western Ghats of India B Madagascar C Himalayas D Amazon forests
Show explanation
Bookmark
Try again
Request an AI explanation using Show explanation.
Biodiversity And Conservation
According to Robert May, the global species
diversity is about:
A 1.5 million B 20 million C 50 million D 7 million
Show explanation
Bookmark
Try again
Request an AI explanation using Show explanation.
Biodiversity And Conservation
Which of the following is the most important causes
for animals and plants being driven to extinction?
A Alien species invasion B Economic exploitation C Drought and floods D Habitat loss and fragmentation
Show explanation
Bookmark
Try again
Request an AI explanation using Show explanation.
Biodiversity And Conservation
Which one of the following is not a method of in situ conservation of biodiversity?
A Biosphere Reserve B Botanical Garden C Wildlife Sanctuary D Sacred Grove
Show explanation
Bookmark
Try again
Request an AI explanation using Show explanation.
Biodiversity And Conservation
The Earth Summit held in Rio de Janeiro in 1992
was called:
A for conservation of biodiversity and sustainable
utilization of its benefits. B to reduce CO2 emissions and global warming. C to assess threat posed to native species by
invasive weed species. D for immediate steps to discontinue use of CFCs
that were damaging the ozone layer.
Show explanation
Bookmark
Try again
Request an AI explanation using Show explanation.
Page score: 0/40