Biodiversity and Conservation

Organisms that tolerate narrow range of salinity are

• Euryhaline

• Stenohaline

• Eurythermal

• Hypersaline

• Hypersaline

Match the environmental activist in Column I with the environmental issue in Column II and choose the right option

• 1 - B; 2 - C; 3 - A

• 1 - C; 2 - A; 3 - B

• 1 - A; 2 - B; 3 - C

• 1 - B; 2 - A; 3 - C

• 1 - B; 2 - A; 3 - C

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

• National parks

• Wildlife sanctuary

• Biosphere reserves

• Scared groves

• Scared groves

Match Column-I with Column-II

Choose the correct answer from the option given below

• A - iii; B - ii; C - i; D - iv

• A - ii; B - i; C - iii; D - iv

• A - ii; B - iii; C - iv; D - i

• A - i; B - ii; C - iii; D - iv

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

• Wildlife Sanctuary

• Botanical Garden

• Sacred Grove

• Biosphere Reserve

The Earth Summit held in Rio de Janeiro in 1992 was called

• for conservation of biodiversity and sustainable utilization of its benefits

• to assess threat posed to native species by invasive weed species

• for immediate steps to discontinue use of CFCs that were damaging the ozone layer

• to reduce CO₂ emissions and global warming

Which of these following methods is the most suitable for disposal of nuclear waste?

• Bury the waste under Antarctic ice-cover

• Dump the waste within rocks under deep ocean

• Bury the waste within rocks deep below the Earth's surface

• Shoot the waste into space

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

• Drought and floods

• Economic exploitation

• Alien species invasion

• Habitat loss and fragmentation