Q. No.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
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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When a threatened plant needs urgent measures to save it from extinction, the desirable approach is:
| 1. | in-situ conservation | 2. | ex-situ conservation |
| 3. | cryopreservation | 4. | biopreservation |
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Biodiversity should be conserved as it plays a major role in many ecosystem services that nature provides. Such an argument is called:
| 1. | broadly utilitarian | 2. | narrowly utilitarian |
| 3. | ethical | 4. | moral |
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The search for previously unknown compounds in organisms that have never been used in traditional medicine is known as:
| 1. | Biopiracy | 2. | Bioprospecting |
| 3. | Molecular pharming | 4. | Bioremediation |
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What percentage of total oxygen in the earth’s atmosphere is produced by Amazon rainforest through photosynthesis?
| 1. | 50 | 2. | 40 |
| 3. | 30 | 4. | 20 |
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The most important cause of the loss of biodiversity today is the:
1. Habitat loss and fragmentation
2. Overexploitation
3. Alien species invasion
4. Co-extinctions
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Extinction of Stellar’s sea cow and passenger pigeon was due to:
| 1. | Habitat loss and fragmentation | 2. | Over exploitation |
| 3. | Invasion of alien species | 4. | Co-extinctions |
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What exotic introduction is threatening indigenous catfishes in our rivers?
| 1. | Carassius auratus | 2. | Carcinus maenas |
| 3. | Centaurea solstitialis | 4. | Clarias gariepinus |
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