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Question 1:

Which of the following is a characteristic of temperate grasslands?

A) Abundant rainfall
B) Dense tree cover
C) Low species diversity
D) Long, cold winters

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Explanation: The correct answer is C) Low species diversity. Temperate grasslands, also known as prairies, are characterized by abundant grasses and herbaceous plants but have relatively low species diversity compared to other biomes. They typically experience moderate rainfall and support a variety of herbivores and grazing animals.

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Question 2:

Which of the following is a characteristic of tropical grasslands?

A) High rainfall throughout the year
B) Dense tree cover
C) Low temperatures
D) Seasonal droughts

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Explanation: The correct answer is D) Seasonal droughts. Tropical grasslands, also known as savannas, are characterized by seasonal rainfall patterns with distinct wet and dry seasons. They have a mix of grasses and scattered trees or shrubs, with adaptation to periodic droughts. These ecosystems are found in tropical regions, such as Africa, South America, and Australia.

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Question 3:

Which of the following grassland biomes is known for its vast herds of grazing mammals?

A) Temperate grassland
B) Tropical grassland
C) Arctic tundra
D) Alpine meadow

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Explanation: The correct answer is B) Tropical grassland. Tropical grasslands, or savannas, are known for their vast herds of grazing mammals, such as zebras, wildebeests, and antelopes. These herbivores play a crucial role in the ecosystem by consuming grasses and shaping the vegetation structure.

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Question 4:

Which of the following is a characteristic of pampas?

A) Cold climate and permafrost
B) High species diversity
C) Treeless grassland
D) Intense monsoon rains

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Explanation: The correct answer is C) Treeless grassland. Pampas are extensive grasslands in South America, particularly in Argentina and Uruguay. They are characterized by vast, flat plains of treeless grasses and provide important grazing areas for livestock.

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Question 5:

Which grassland biome is characterized by cold, harsh winters and a layer of permanently frozen subsoil?

A) Pampas
B) Tundra
C) Steppe
D) Xeric shrubland

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Explanation: The correct answer is B) Tundra. The tundra biome is characterized by cold, harsh winters, short growing seasons, and a layer of permanently frozen subsoil called permafrost. It is found in high-latitude regions, such as the Arctic, and supports a unique assemblage of plants and animals adapted to the extreme conditions.