Biodiversity and Conservation

Alexander von Humboldt described for the first time :

1. Laws of limiting factor
2. Population Growth equation
3. Species area relationships
4. Ecological Biodiversity

The region of Biosphere Reserve which is legally protected and where no human activity is allowed is known as :

1. Transition zone
2. Restoration zone
3. Buffer zone
4. Core zone

Which is the National Aquatic Animal of India ?

1. River dolphin
2. Sea-horse
3. Gangetic shark
4. Blue whale

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

1. Co-extinctions
2. Over-exploitation
3. Alien species invasion
4. Habitat loss and fragmentation

How many hot spots of biodiversity in the world have been identified till date by Norman Myers ?

1. 34
2. 17
3. 43
4. 25

Which of the following is correctly matched ?

1. Stratification-Population
2. Parthenium hysterophorus-Threat to biodiversity
3. Aerenchyma- Opuntia
4. Age pyramid-Biome

Red List contains data or information on

1. threatened species
2. marine vertebrates only
3. all economically important plants
4. plants whose products are in international trade

Which of the following National Parks is home to the famous musk deer or hangul ?

1. Eaglenest Wildlife Sanctuary, Arunachal Pradesh
2. Dachigam National Park, Jammu & Kashmir
3. Keibul Lamjao National Park, Manipur
4. Bandhavgarh National Park, Madhya Pradesh

The species confined to a particular region and not found elsewhere is termed as -

1. Alien
2. Rare
3. Endemic
4. Keystone

In which of the following both pairs have correct combination ?

1. In situ conservation : Cryopreservation Ex situ conservation : Wildlife Sanctuary
2. In situ conservation : Tissue culture Ex situ conservation : Sacred groves
3. In situ conservation : National Park Ex situ conservation : Botanical Garden
4. In situ conservation : Seed Bank Ex situ conservation : National Park