F4 geography

Where are tropical rainforests located? 熱帶雨林主要位於哪裡？

• Between the Equator and the Arctic Circle 赤道和北極圈之間

• Between the Tropic of Cancer and the Tropic of Capricorn 北回歸線和南回歸線之間

• Between the Equator and the Antarctic Circle 赤道和南極圈之間

• Only along the Equator 沿著赤道

Which statement is true regarding the distribution of tropical rainforests (TRF)? 關於熱帶雨林的分佈，下列哪一項敘述是正確的？

• They are evenly distributed across all continents. 均勻分佈在所有大陸上

• They are found in European countries. 它們主要位於歐洲國家。

• Over half of TRF are found in four countries 世界上超過一半的熱帶雨林位於四個國家

•  The largest tropical rainforest is in the United States. 最大的熱帶雨林位於美國。

At the current rate of deforestation, how long will all TRF to vanish from Earth? 按照目前的森林砍伐速度，所有熱帶雨林將在多久後從地球上消失

• 50 years 50年

• 110 years 110年

• 200 years 200年

• 75 years 75年

As of 2018, what percentage of the Earth's land surface do tropical rainforests cover? 截至2018年，熱帶雨林覆蓋地球陸地表面的百分比是多少？

• 20%

• 15%

• 6%

• 10%

What pattern often shows rainforest destructions in satellite images? 衛星影像中通常顯示哪種模式顯示了雨林破壞？

• Circular patterns around lakes 湖泊周圍的圓形模式

•  Random scattered patches 隨機分散的斑塊

• ‘Fish-bone’ pattern along roads 沿著道路的「魚骨」模式

• Straight lines parallel to rivers 沿著河流的直線

What is the climate of the rainforest? 熱帶雨林的氣候是怎樣的？

• Hot and dry 熱和乾燥

• Cool and wet 冷和濕潤

• Hot and wet 熱和濕潤

• Cool and dry 冷和乾燥

Where do nutrients released from litter or humus through decomposition concentrate in TRF soil? 枯枝落葉或腐植質分解釋放的養分集中在土壤中的哪裡

• Topsoil 表土

• Subsoil 底土

• Bedrock 基岩

• All layers equally 在所有層中均勻分配

What is the typical type of soil found in tropical rainforests? 熱帶雨林中的土壤類型是什麼？

• Alfisol 淋溶土

• Oxisol 氧化土

• Mollisol 暗沃土

• Entisol 新成土

What is the effect of heavy rain on the minerals in oxisol soil? 大雨對氧化土的礦物有何影響？

• It increases the soil's nutrient content. 它增加了土壤的養分含量。

• It causes leaching, washing away soluble minerals. 它會導致淋溶，帶走可溶性礦物質。

• It makes the soil more alkaline. 它使土壤變得更加鹼性。

• none of above

Why oxisol is infertile? 為甚麼氧化土是貧瘠的

•  It has a high pH level. 它具有較高的 pH 值

• It retains too much water. 它保留了太多的水

• It has little organic content and limited nutrients. 它的有機含量很少，營養成分也有限

• It is too compact for roots to penetrate. 它太緊密，植物的根無法穿透。