Q. No.Red List contains data or information on
1. all economically important plants
2. plants whose products are in international trade
3. threatened species
4. marine vertebrates only
Which of the following is not an attribute of a stable community?
1. Resistant to occasional disturbances
2. Resistant to invasions by alien species
3. Resilient to occasional disturbances
4. High productivity with great variation year to year
The colonisation of tropical Pacific Islands by humans is said to have led to the extinction of more than
1. 5000 species of native birds
2. 2000 species of native birds
3. 1500 species of mammals
4. 3500 species of mammals
Which of the following data is not according to IUCN Red List (2004)?
1. Vertebrates-338
2. Invertebrates-359
3. Plants-87
4. Bacteria-104
The extinctions of 784 species recorded in IUCN Red List (2004) happened over
1. Last 240 years
2. Last 500 years
3. Last 300 years
4. Last 400 years
Which of the following is wrongly matched (with respect to recent extinction)?
1. Dodo-Mauritius
2. Quagga-Africa
3. Thylacine-Australia
4. Steller's Sea Cow- Stanford
Which of the following is not recently extincted subspecies of tiger?
1. Bali
2. Javan
3. Caspian
4. Sumata
The last twenty years or so have witnessed the disappearance of at least
1. 27 species
2. 40 species
3. 12 species
4. 7 species
Choose the incorrect match regarding examples of recent extinctions.
1. Quagga - Africa
2. Steller’s Sea Cow - Russia
3. Dodo - Myanmar
4. Thylacine - Australia
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