Q. No.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
1. Co - extinctions
2. Over - exploitation
3. Alien species invasion
4. Habitat loss and fragmentation
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How many hot spots of biodiversity in the world have been identified till date by Norman Myers?
1. 43
2. 17
3. 25
4. 34
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Which of the following is correctly matched?
1. Stratification-Population
2. Aerenchyma-Opuntia
3. Age pyramid-Biome
4. Parthenium hysterophorus-Threat to biodiversity
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Which of the following National Parks is home to the famous musk deer or hangul?
1. Dachigam National Park, Jammu & Kashmir
2. Keibul Lamjao National Park, Manipur
3. Bandhavgrah National Park, Madhya Pradesh
4. Eaglenest Wildlife Sanctuary, Arunachal Pradesh
Which one of the following is related to Ex-situ conservation of threatened animals and plants?
1. Wildlife Safari parks
2. Biodiversity hot spots
3. Amazon rainforest
4. Himalayan region
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The region of Biosphere Reserve which is legally protected and where no human activity is allowed isknown as :
1. Core zone
2. Buffer zone
3. Transition zone
4. Restoration zone
All of the following are included in 'Ex-situ conservation' except
1. Wildlife safari parks
2. Seed banks
3. Botanical gardens
4. Sacred groves
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One of the ex situ conservation method for endangered species is
1. Wildlife sanctuaries
2. Biosphere reserves
3. Cryopreservation
4. national Parks.
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Which pair of geographical area shows maximum diversity in our country.
1. Sunderbans and Rann of Kutch
2. Eastern Ghates and Western Ghats
3. Eastern Himalayas and Western Ghats
4. Kerala and Punjab
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In India, we find mangoes with different flavours, colours, fibre content, sugar content, and even shelf life. The large variation is on account of:
| 1. | Genetic diversity | 2. | Species diversity |
| 3. | Hybridisation | 4. | Induced mutations |
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