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Worksheets五年级科学-植物与其物种的生存
Total questions: 10
Worksheet time: 5mins
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
上图显示相思豆。
Diagram above shows saga plant.
哪项是相思豆的媒介传播？
Which of the following dispersal agents is for saga plant?
动物 Animals
自动爆裂 Explosive mechanism
水 Water
风 Wind
上图显示植物根据传播果实或种子的方法而进行分类。
Diagram above shows fruits and seeds are classified according to their method of dispersal .
哪种植物以 X 来传播其果实或种子？
Which of the following plants that X disperse its fruits and seeds?
相思草 Love grass
海檬果 Pong pong
凤凰木 Flame of the forest
龙脑香 Meranti
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
上图显示含羞草的种子。
Diagram above shows the seeds of mimosa.
含羞草的种子长有钩刺。 这项特征对它有什么帮助？
There are hooks on the seeds of mimosa. How does its characteristic help it?
自卫 To protect itself
制造食物 To produce the food
减少水分蒸发 To reduce the loss of water
传播种子到远处 To disperse the seeds far away
上图显示一名农人进入甘蔗园后戴上手套, 为什么？
Diagram above shows a farmer puts on a pair of gloves when he goes to the sugar cane farm， why ?
避免弄脏双手
Avoid dirtying his hands
避免被甘蔗园内的 蚊子叮咬
Avoid bitten by the mosquitoes in the sugar cane farm
避免触碰到甘蔗粗壮的尖刺
Avoid touching the thick hooks of sugar cane
避免触碰到甘蔗的细毛而发痒
Avoid touching the fine hairs and cause itchiness
上图显示一个椰子被传播到远离母树的地方。
Diagram above shows a coconut being dispersed far away from the parent plant.
为什么如此的行动对它很重要？
Why is this action important to the plant?
增加互相竞争
Encourages competition
增加物种的质量
Improves the quality of the species
确保物种的生存
Ensure the survival of the species
保护植物的果实
Give protection to the fruit
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
