alleryWhich animal group appears most vulnerable to extinction?
- Birds
- Reptiles
- Fishes
- Amphibians
Show answer and solution
Correct answer: D. Amphibians
Extinctions are not random across taxa, and amphibians are especially vulnerable.
NEET UG Biodiversity and Conservation — practice questions — page 5
Explore 161 free Biodiversity and Conservation questions in NEET UG Biology. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 121–150 of 161.
Which animal group appears most vulnerable to extinction?Read the answer and worked solution →About what share of all amphibian species now face the threat of extinction?Read the answer and worked solution →How many mass extinction episodes occurred before humans appeared?Read the answer and worked solution →Current extinction rates are estimated to be how many times faster than in pre-human times?Read the answer and worked solution →How does the Sixth Extinction differ from earlier ones?Read the answer and worked solution →Which change is expected when a region loses biodiversity?Read the answer and worked solution →What does the term Evil Quartet describe?Read the answer and worked solution →Which forest is often called the lungs of the planet?Read the answer and worked solution →Amazon rain forest is being cleared to grow which crop?Read the answer and worked solution →Habitat fragmentation hurts which animals most?Read the answer and worked solution →The passenger pigeon became extinct mainly through which cause?Read the answer and worked solution →Introducing the Nile perch into Lake Victoria caused extinction of over 200 species of which fish?Read the answer and worked solution →Carrot grass, an invasive weed in India, belongs to which genus?Read the answer and worked solution →Which fish, illegally introduced for aquaculture, threatens native catfishes in Indian rivers?Read the answer and worked solution →A host fish dies out and its unique parasites vanish with it. This is calledRead the answer and worked solution →More than what share of drugs sold worldwide are derived from plants?Read the answer and worked solution →About how many plant species contribute to traditional medicines of native peoples worldwide?Read the answer and worked solution →The Amazon forest is estimated to produce what share of the oxygen in earth's atmosphere?Read the answer and worked solution →The view that every species has intrinsic value, even without economic use, is theRead the answer and worked solution →Ex situ conservation is the preferred approach when a speciesRead the answer and worked solution →Biodiversity hotspots are chosen for high species richness and a high degree ofRead the answer and worked solution →An endemic species is one that isRead the answer and worked solution →An initial list of 25 biodiversity hotspots was expanded to 34. How many were added?Read the answer and worked solution →Strict protection of hotspots could cut ongoing mass extinctions by almostRead the answer and worked solution →Sacred groves of the Khasi and Jaintia Hills are in which state?Read the answer and worked solution →Which of these is an example of ex situ conservation?Read the answer and worked solution →At the 2002 Johannesburg summit, 190 countries pledged to cut biodiversity loss by which year?Read the answer and worked solution →Which IUCN category covers a species that survives only in captivity or cultivation?Read the answer and worked solution →Which IUCN categories count as threatened?Read the answer and worked solution →In which year was the IUCN Red List founded?Read the answer and worked solution →
Worked practice questions
About what share of all amphibian species now face the threat of extinction?
- 12 percent
- 32 percent
- 23 percent
- 45 percent
Show answer and solution
Correct answer: B. 32 percent
Roughly 32 percent of amphibian species are threatened, the highest share among the groups listed.
How many mass extinction episodes occurred before humans appeared?
- Three
- Four
- Five
- Seven
Show answer and solution
Correct answer: C. Five
Fossil records show five mass extinctions over more than 3 billion years of life.
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