Nature
/ 20
What is the loudest volcanic eruption?
1Krakatoa
2Merapi
Right answer!
The eruption of Krakatoa in Indonesia on 27 August 1883, where the explosion was heard as far as Rodrigues Island, 500 kilometres east of Mauritius.
Wrong answer !
The eruption of Krakatoa in Indonesia on 27 August 1883, where the explosion was heard as far as Rodrigues Island, 500 kilometres east of Mauritius.
Nature
/ 20
Are marine mammals endothermic or ectothermic?
1Endothermic
2Ectothermic
Nature
/ 20
What is the scientific name of juniper?
1Juniperus
2Larix
Right answer!
The botanical genus Juniperus, also called pepper of the poor, scientific name Juniperus, family Cupressaceae.
Wrong answer !
The botanical genus Juniperus, also called pepper of the poor, scientific name Juniperus, family Cupressaceae.
Nature
/ 20
When was the Rio Convention signed?
11992
22002
Right answer!
The Convention on Biological Diversity (CBD) is an international treaty adopted at the Earth Summit in Rio de Janeiro in 1992.
Wrong answer !
The Convention on Biological Diversity (CBD) is an international treaty adopted at the Earth Summit in Rio de Janeiro in 1992.
Nature
/ 20
What physiological characteristic differentiates the dugong from the manatee?
1The caudal fin
2Snout
Right answer!
The caudal fin of the dugong, unlike that of the manatee in the form of a rounded palette, is triangular in shape and has a median groove.
Wrong answer !
The caudal fin of the dugong, unlike that of the manatee in the form of a rounded palette, is triangular in shape and has a median groove.
Nature
/ 20
What physiological characteristic differentiates the alligator from the crocodile?
1The muzzle
2The tail
Right answer!
Alligators are characterized by a muzzle that is wider than that of crocodiles. Alligators are native to only three countries: the United States, Mexico and the People's Republic of China.
Wrong answer !
Alligators are characterized by a muzzle that is wider than that of crocodiles. Alligators are native to only three countries: the United States, Mexico and the People's Republic of China.
Nature
/ 20
In which area can tabular icebergs be observed?
2Antarctic
1Arctic
Nature
/ 20
Are manatees carnivorous or herbivorous?
2Herbivorous
1Carnivorous
Right answer!
Manatees are large herbivorous aquatic mammals living in the shallow littoral waters of the tropical Atlantic.
Wrong answer !
Manatees are large herbivorous aquatic mammals living in the shallow littoral waters of the tropical Atlantic.
Nature
/ 20
What division of tracheobionts do conifers belong to?
1Gymnosperms
2Monilophytes
Nature
/ 20
On which aircraft do the explorers Roald Amundsen and Umberto Nobile fly over the North Pole?
1An airship
2A plane
Right answer!
The first to reach the North Pole with certainty were Roald Amundsen and Umberto Nobile, who flew over it aboard the Norge airship on May 12, 1926.
Wrong answer !
The first to reach the North Pole with certainty were Roald Amundsen and Umberto Nobile, who flew over it aboard the Norge airship on May 12, 1926.
