植物的生命过程（二）

下面是 X植物的种子的资料。

Information below is about seed plant X .

• 细小而轻盈 small and light
• 长有钩刺 Have hooks

X 植物的种子依靠哪种媒介传播？

Which is the following dispersal agents of plant X?

• 水 Water

• 风 Wind

• 动物 Animal

• 自动爆裂 Explosive mechanism

靠水力传播的种子有以下哪种特征？

Which is the following characteristics disperses its seed by water?

• 果肉香甜

  Its flesh is sweet and has nice smell

• 有伞状的结构

  Has wing-like structure

• 果实成熟后会裂开

  Its fruit wall splits when it ripe

• 果实里有空气，形成气室

  Husk with air spaces

上图显示四种植物的果实。

Diagram above shows the fruits of four types of plants.

哪两种果实有相同的传播方法？

Which of the following two types of plants has similar method of dispersal?

• P & Q

• P & S

• Q & R

• R & S

下面哪项说明了植物传播种子的重要性？

Which of the following explanation is the important of seed dispersal?

• 为了制造食物

  To produce food

• 为了防止动物绝种

  To prevent extinction of animals

• 为了避免被人类大量采摘

  To avoid being plucked by humans

• 为了确保物种能继续生存

  To ensure the survival of the plant species

上图显示一种植物的果实。

Diagram above shows a fruit of a type of plant.

上述植物如何传播种子或果实？

How does this plant disperse its seeds or fruit?

• 靠风力传播

  By wind

• 靠水力传播

  By water

• 靠自动爆裂传播

  By explosive mechanism

• 靠动物或人类传播

  By animals or humans

以下都是椰子靠水力来传播的外形特征， 除了。。

Which of the following is not the characteristic of coconut to disperse their fruit by water?

• 有钩刺

  Has hook

• 有纤维层

  Has husk

• 外皮有蜡质层

  Has waxy covering

• 里面有空气， 形成气室

  With air spaces

哪项种子或果实的特征和传播方法搭配是正确的？

Which characteristic of fruit or seeds is correctly matched with its way of dispersal?

• 有钩刺 - 风力

  Has hooks - Wind

• 外皮有蜡质层 - 水力

  Waxy skin - Water

• 细小和 轻盈 - 自动爆裂

  Small and light - Explosive mechanism

• 干瘪和爆裂 - 动物

  Dry and burst - Animals

面对干旱季节，橡胶树会以什么方法来适应干旱季节？

• 落叶

• 卷曲叶子

• 针状叶子

• 容易弯曲的茎

以下哪项是仙人掌面对干燥的沙漠气候而拥有的特殊特征？（答案可以超过一个）

• 针状叶

• 储存水分的茎

• 伸张的根

• 羽状的叶子

大王花的自卫方法是什么？

• 胶乳

• 臭味

• 毒素

• 细毛