Which of the following has maximum global biodiversity?
1. Angiosperms
2. Algae
3. Fungi
4. Mosses

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What is applicable to both Lates niloticus and Lantana camara ?

1. They are on the verge of extinction due to over-exploitation by humans.

2. They are alien species that became invasive in certain environments causing threat to indigenous biodiversity.

3. They are mutualists and likely to undergo co-extinction in recent future.

4. They are keystone species and are vital to the stability of tropical ecosystems.

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Most primary productivity in the surface water of lakes and oceans is by:
1. Floating plants
2. Red and brown algae
3. Zooplankton
4. Phytoplankton

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The most effective means of conservation of biodiversity is:
1. Remove predators
2. Preserve habitats
3. Vaccinate against disease
4. Census the species during breeding season

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Alexander von Humbolt described for the first time 
(a) ecological biodiversity
(b) law of limiting factor
(c) species area relationships
(d) population growth equation 

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Presence of plants arranged into well defined vertical layers depending on their height can be best seen in

(a) tropical savannah

(b) tropical rain forest

(c) grassland

(d) temperate forest

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Which one of the following is related to Ex-situ conservation of threatened animals and plants?

(a) Wildlife Safari parks

(b) Biodiversity hotspots

(c) Amazon rainforest

(d) Himalayan region

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The region of biosphere reserve, which is legally protected and where no human activity is allowed is known as

(a) core zone

(c) transition zone

(b) buffer zone

(d) restoration zone

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How many hotspots of biodiversity in the world have been identified till date by Norman Myers?
(a) 17
(b) 34
(c) 25
(d) 43

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Which of the following is correctly matched?

(a) Arenchyma               -   Opuntia

(b) Age pyramid             -  Biome

(c) Partheniumhysterophorus - Threat to biodiversity

(d) Stratification             - Population

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