1.Which of the following are the characteristics of wetland ecosystem?
1. They are covered by water or has waterlogged soil for atleast seven days during the growing season.
2. The plants have adopted to the waterlogged conditions.
3. The soils are hydric therefore not enough O2 is available for some plants.
Select the correct option from the codes given below:
[A] Only 1 & 2
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3
SHOW ANSWER
Explanation: Wetland ecosystems are covered by water or has waterlogged soil for atleast seven days during the growing season. The plants have adopted to the waterlogged conditions. The soils are hydric therefore not enough O2 is available for some plants. ©navclasses
2.Which of the following statements are correct regarding plant and animal life in estuarine ecosystem?
1. Plants and animals that are specially adapted to the “brackish” estuarine waters flourish in the estuaries.
2. Estuaries are homes to plants and animals, such as wood storks, pelicans, coniferous and deciduous trees and butterflies.
3. Unique aquatic plants and animals can also be found in estuaries such as sea turtles and sea lions, sea catfish, saltworts, eelgrass, saltgrasses, cordgrasses, sea grass, sedge and bulrush.
Select the correct option from the codes given below:
[A] Only 1 & 2
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3
SHOW ANSWER
Explanation: Plants and animals that are specially adapted to the “brackish” estuarine waters flourish in the estuaries. Estuaries are homes to plants and animals, such as wood storks, pelicans, coniferous and deciduous trees and butterflies. Unique aquatic plants and animals can also be found in estuaries such as sea turtles and sea lions, sea catfish, saltworts, eelgrass, saltgrasses, cordgrasses, sea grass, sedge and bulrush. ©navclasses
3.Which of the following statements are correct?
1. Bhitarkanika mangroves are the second largest in the Indian sub continent.
2. Mangrove swamps also occur in the intertidal mudflats on both side of the creeks in the Godavari- Krishna deltaic regions of Andhra Pradesh.
3. Mangroves of Pichavaram and Vedaranyam are degraded mainly due to construction of aquaculture ponds and salt pans.
Select the correct option from the codes given below:
[A] Only 1 & 2
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3
SHOW ANSWER
Explanation: Bhitarkanika mangroves are the second largest in the Indian sub continent. Mangrove swamps also occur in the intertidal mudflats on both side of the creeks in the Godavari- Krishna deltaic regions of Andhra Pradesh. Mangroves of Pichavaram and Vedaranyam are degraded mainly due to construction of aquaculture ponds and salt pans. ©navclasses
4.Which of the following are circular or semi-circular reefs that arise from subsiding seafloor platforms?
[A] Fringing Reef
[B] Barrier Reef
[C] Atolls
[D] Patch Reef
SHOW ANSWER
Explanation: An Atoll, sometimes called a coral atoll, is a ring-shaped coral reef. They rise from subsiding seafloor platforms as coral reef-building keeps ahead of subsidence. It is roughly circular and surrounds a large central lagoon. ©navclasses
5.Which of the following activities are allowed in the mangroves and coral reefs which are categorized as CRZ-I areas?
1) Projects relating to the Department of Atomic Energy.
2) Installation of weather radar.
3) Construction of trans harbour sea link.
Select the correct option from the codes given below:
[A] Only 1 & 3
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3
SHOW ANSWER
©navclasses
6.What is the IUCN status of Grauer’s gorilla?
[A] Endangered
[B] Critically Endangered
[C] Threatened
[D] Near Threatened
SHOW ANSWER
Explanation: The IUCN status of Grauer’s gorilla is critically endangered. Its scientific name is “Gorilla beringei graueri Matschie”. It is endemic to the eastern Democratic Republic of Congo (DRC). ©navclasses
7.Which of the following statements are correct regarding West Australian underground orchid?
1. Its scientific name is Rhizanthella gardneri.
2. The species is listed as Vulnerable on the 1997 IUCN Red List of Threatened Plants.
Select the correct option from the codes given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
SHOW ANSWER
Explanation: West Australian underground orchid’s scientific name is Rhizanthella gardneri. The species is listed as Vulnerable on the 1997 IUCN Red List of Threatened Plants. It was discovered in 1928 in the wheatbelt of Western Australia. ©navclasses
8.The ‘Aichi Targets’ were adopted by which of the following?
[A] Convention on Biological Diversity
[B] The Johannesburg Summit
[C] Local Agenda 21
[D] None of the above
SHOW ANSWER
Explanation: The COP-10 which was held at Nagoya, Japan gave birth to two things:
1) Nagoya Protocol on Genetic Resources
2) Aichi Targets for biodiversity.
The ‘Aichi Target’ was adopted by the Convention on Biological Diversity (CBD) at its Nagoya conference.
©navclasses
9.Where is the headquarters of TRAFFIC located?
[A] London
[B] Cambridge
[C] Geneva
[D] Vienna
SHOW ANSWER
Explanation: The TRAFFIC, the Wildlife Trade Monitoring Network is headquartered at Cambridge, United Kingdom. The organisation aims to ensure that trade in wild plants and animals is not a threat to the conservation of nature. ©navclasses
10.Which of the following are the functions of TRAFFIC?
1. It has helped in the evolution of the international wildlife trade treaties since its establishment.
2. It has also addressed large scale commercial trade in commodities like timber and fisheries.
Select the correct option from the codes given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
SHOW ANSWER
Explanation: TRAFFIC has helped in the evolution of the international wildlife trade treaties since its establishment. It has also addressed large scale commercial trade in commodities like timber and fisheries. ©navclasses
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