Plant Life
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Parts of a plant and their functions
SubtopicParts of a plant and their functions under Plant Life for Grade 3 ICSE.
Preview questions (no answers)
- 1.
Which of these is an example of an edible flower?
A.Broccoli
B.Lettuce
C.Coriander
D.Carrot
- 2.
What happens when a seed does not get enough water?
A.It grows faster
B.It will not germinate
C.It turns into a flower immediately
D.It becomes a tree in one day
- 3.
Which part of the plant is responsible for bearing leaves, flowers, and fruits?
A.Root
B.Stem
C.Seed coat
D.Stomata
- 4.
Why do flowers attract insects like butterflies?
A.Because they are green
B.Because they have bright colors and a nice smell
C.Because they have thorns
D.Because they are under the ground
- 5.
Look at the diagram showing the internal parts of a seed. What is the main function of the part labeled 'B' (the Cotyledon)?
A.It absorbs water from the soil for the roots
B.It provides stored food for the baby plant to grow
C.It protects the seed from insects and birds
D.It helps the seed to breathe through tiny holes
- 6.
Which part of a cauliflower or broccoli do we eat?
A.The stem
B.The flower
C.The root
D.The seed
- 7.
If you look at a rose plant, what is the main function of the thorns on its stem?
A.To make food
B.To attract bees
C.To protect the plant from animals
D.To help the plant climb
- 8.
The diagram illustrates the process of food-making in a leaf. Chlorophyll is a green pigment that acts as a 'trap.' Based on the flow of energy and materials shown, what would be the most immediate consequence if the Chlorophyll in the leaf was damaged and stopped functioning?
A.The roots would immediately stop absorbing water from the ground.
B.The plant would be unable to capture sunlight to combine water and carbon dioxide into food.
C.The stem would lose its strength and would no longer be able to hold the plant upright.
D.The plant would start producing more oxygen to compensate for the lack of food.
- 9.
Look at the diagram showing how water travels from the soil into a plant. A plant develops millions of microscopic 'Root Hairs' (Part B) covering its roots. What is the primary biological reason for having these numerous tiny hairs rather than just a single smooth root?
A.To help the plant anchor itself more firmly to prevent being uprooted by wind.
B.To increase the surface area in contact with the soil to absorb maximum water and minerals.
C.To create a protective barrier that prevents harmful bacteria from entering the main root.
D.To store extra food that the plant makes during the day for use at night.
- 10.
Which of these statements about 'Herbs' is true?
A.They have very thick and hard woody stems.
B.They live for many many years.
C.They have soft, green, and delicate stems.
D.They are always taller than shrubs.
Download the worksheet for Plant Life - Parts of a plant and their functions to practice offline. It includes additional chapter-level practice questions.
Types of plants: Herbs, Shrubs, Trees, Climbers, and Creepers
SubtopicTypes of plants: Herbs, Shrubs, Trees, Climbers, and Creepers under Plant Life for Grade 3 ICSE.
Preview questions (no answers)
- 1.
A money plant is called a climber because it:
A.Grows very tall like a tree
B.Has a very hard trunk
C.Has a weak stem and needs support
D.Spreads on the ground
- 2.
Which plant usually has many thin woody stems instead of one thick trunk?
A.Mango
B.Rose
C.Spinach
D.Neem
- 3.
Sweet potato plants grow along the ground. They are:
A.Creepers
B.Climbers
C.Shrubs
D.Herbs
- 4.
Pine and Fir are examples of:
A.Shrubs
B.Herbs
C.Trees
D.Climbers
- 5.
A student used the following flowchart to sort plants in a school garden. What are the correct names for Category X and Category Y based on their features?
A.Category X: Shrub; Category Y: Herb
B.Category X: Herb; Category Y: Tree
C.Category X: Tree; Category Y: Shrub
D.Category X: Climber; Category Y: Creeper
- 6.
A scientist is grouping plants with weak stems into two categories based on how they grow. According to the chart, which pair of plants correctly fits into Group P and Group Q?
A.Group P: Bean plant; Group Q: Pumpkin
B.Group P: Cucumber; Group Q: Ivy
C.Group P: Pumpkin; Group Q: Bean plant
D.Group P: Banyan; Group Q: Mint
- 7.
Which of the following is true for most trees?
A.They have many thin, green stems
B.They live for only one season
C.They have a single, strong, woody trunk
D.They cannot stand without support
- 8.
Which characteristic best helps you identify a tree among a group of different plants?
A.It has green leaves
B.It has a single, thick, woody trunk with bark
C.It grows in the soil
D.It needs water to survive
- 9.
A Tea plant is kept pruned and bushy. Based on its woody nature and height, it is a:
A.Herb
B.Creeper
C.Shrub
D.Tree
- 10.
Which of these plants is a creeper that is often associated with a very large, round, orange fruit used during festivals?
A.Grapevine
B.Pumpkin
C.Tomato
D.Rose
Download the worksheet for Plant Life - Types of plants: Herbs, Shrubs, Trees, Climbers, and Creepers to practice offline. It includes additional chapter-level practice questions.
How plants make food (Photosynthesis basics)
SubtopicHow plants make food (Photosynthesis basics) under Plant Life for Grade 3 ICSE.
Preview questions (no answers)
- 1.
What is the name of the food made by a plant?
A.Sugar
B.Salt
C.Butter
D.Milk
- 2.
Leaves turn yellow and fall off when they can no longer:
A.Make food
B.Drink water
C.Get sunlight
D.Hold the stem
- 3.
Which part of the plant is responsible for providing minerals from the ground?
A.Stem
B.Roots
C.Leaf
D.Flower
- 4.
Roots take in water from the:
A.Air
B.Clouds
C.Soil
D.Sun
- 5.
Plants gather certain substances from their environment to prepare food. Based on the flowchart, identify the substances 'A' and 'B'.
A.A is Oxygen and B is Water
B.A is Water and B is Carbon dioxide ()
C.A is Carbon dioxide () and B is Sunlight
D.A is Chlorophyll and B is Oxygen
- 6.
The energy from the sun is captured by which part of the leaf cell?
A.The water inside the cell
B.The chlorophyll pigment
C.The air spaces
D.The cell wall
- 7.
Which of the following describes the correct order of materials needed for photosynthesis?
A.Oxygen, Water, Soil
B.Sunlight, Water, Carbon dioxide
C.Glucose, Starch, Oxygen
D.Chlorophyll, Salt, Nitrogen
- 8.
While boiling the leaf in alcohol, why is the beaker usually kept in a water bath instead of directly over the flame?
A.To keep the leaf from breaking
B.Because alcohol is highly flammable and can catch fire
C.To make the process slower and better
D.To save fuel
- 9.
Which of these is the correct path of water through a plant during the food-making process?
A.Leaf -> Stem -> Root
B.Soil -> Root -> Stem -> Leaf
C.Air -> Stomata -> Leaf
D.Stem -> Leaf -> Root
- 10.
If a plant is kept in a room with only red light, can it still make food?
A.No, it only needs green light
B.Yes, because chlorophyll can absorb energy from red light
C.No, it needs all colors of the rainbow together
D.Yes, but only if the soil is also red
Download the worksheet for Plant Life - How plants make food (Photosynthesis basics) to practice offline. It includes additional chapter-level practice questions.
Preview questions (no answers)
- 1.
Which of these plants is the main source of the sugar and jaggery that we use in our food?
A.Rose plant
B.Sugarcane plant
C.Banyan tree
D.Cactus
- 2.
Which of these plants is used to make dye for coloring clothes?
A.Indigo
B.Teak
C.Mango
D.Cactus
- 3.
Which of these is an example of a pulse that we eat as dal?
A.Moong
B.Oats
C.Barley
D.Millet
- 4.
Which of these grows on a creeper and is a very large fruit used as a vegetable?
A.Pumpkin
B.Apple
C.Cherry
D.Plum
- 5.
The wood of which tree is known for its sweet scent and used in perfumes?
A.Pine
B.Sandalwood
C.Oak
D.Banyan
- 6.
Which part of the coriander plant is used to garnish food?
A.Roots
B.Leaves
C.Bark
D.Trunk
- 7.
Vanilla flavoring, used in ice creams, is obtained from the ____ of the Vanilla orchid.
A.Leaves
B.Roots
C.Beans/Pods
D.Bark
- 8.
Identify the spice that is the dried fruit of the plant and is often called the 'King of Spices'.
A.Black pepper
B.Cardamom
C.Clove
D.Cumin
- 9.
Which of these plants provides both edible oil and fibers from different parts?
A.Coconut
B.Tulsi
C.Rose
D.Wheat
- 10.
Which of these is a root that is used for making sugar, other than sugarcane?
A.Sugar beet
B.Potato
C.Radish
D.Carrot
Download the worksheet for Plant Life - Uses of plants to practice offline. It includes additional chapter-level practice questions.