Plant Life
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Structure of a Seed
SubtopicStructure of a Seed under Plant Life for Grade 5 ICSE.
Preview questions (no answers)
- 1.
What is the baby plant called before it starts growing out of the seed?
A.Sapling
B.Seedling
C.Embryo
D.Adult plant
- 2.
Which part of the embryo grows first during the germination of a seed?
A.Plumule
B.Radicle
C.Cotyledon
D.Seed coat
- 3.
Where do monocot seeds generally store their food?
A.In the hilum
B.In the micropyle
C.Inside the seed (endosperm/cotyledon)
D.On the seed coat
- 4.
Which of these seeds is a dicot?
A.Corn
B.Rice
C.Wheat
D.Pea
- 5.
Which of the following plants has a seed with two cotyledons?
A.Rice
B.Maize
C.Bean
D.Wheat
- 6.
What is the small opening on the seed coat through which water enters the seed called?
A.Stoma
B.Micropyle
C.Hilum
D.Pore
- 7.
Which of these is a common feature of all seeds, whether they are monocots or dicots?
A.They all have two seed leaves
B.They all have a protective seed coat
C.They all store food in the endosperm
D.They all lack a radicle
- 8.
If the cotyledons of a bean seedling are removed just after the radicle has emerged, what is the most likely result?
A.The seedling will grow faster.
B.The seedling will stop growing and die due to lack of food.
C.The seedling will grow into a bigger plant.
D.The seedling will immediately start photosynthesis.
- 9.
Which part of a dicot embryo is located between the radicle and the plumule and contains the point of attachment for the cotyledons?
A.Seed coat
B.Epicotyl
C.Axis or Tigellum
D.Hilum
- 10.
What is the primary difference between the plumule and the radicle in terms of their growth response?
A.Plumule grows towards gravity, radicle grows away.
B.Plumule grows towards light, radicle grows towards gravity.
C.Plumule stores food, radicle absorbs water.
D.Plumule is monocot, radicle is dicot.
Download the worksheet for Plant Life - Structure of a Seed to practice offline. It includes additional chapter-level practice questions.
Conditions for Germination
SubtopicConditions for Germination under Plant Life for Grade 5 ICSE.
Preview questions (no answers)
- 1.
Which of these is the most suitable temperature for most seeds to grow?
A.Below C
B.Between C and C
C.Above C
D.Exactly C
- 2.
Which direction does the plumule grow after it emerges from the seed?
A.Towards the center of the Earth
B.In any random direction
C.Upwards towards the light
D.It does not grow
- 3.
The stage of a plant's life where it is still inside the seed and waiting for the right conditions is called:
A.Active stage
B.Dormant stage
C.Flowering stage
D.Death stage
- 4.
Can a seed grow if it is placed in boiled water that has been cooled and covered with oil?
A.Yes, because it has water
B.No, because boiled water lacks dissolved oxygen
C.Yes, because the oil provides food
D.Yes, if it is kept in the sun
- 5.
A seed that has two cotyledons, such as a bean seed, is called a:
A.Monocot
B.Dicot
C.Tricot
D.Non-cot
- 6.
Which part of the seed protects the delicate embryo from physical damage and drying out?
A.Plumule
B.Radicle
C.Seed coat
D.Micropyle
- 7.
If a seed is kept in a completely dark room with moisture and warmth, will it start to germinate?
A.No, because it needs light to start
B.Yes, because light is not strictly required for the first stages of germination
C.No, because seeds die in the dark
D.Yes, but it will turn into a fruit immediately
- 8.
How does the embryo 'know' to start growing when conditions are right?
A.Water triggers chemical signals (hormones) that restart growth
B.The seed coat sends an electrical shock to the embryo
C.The embryo hears the sound of rain hitting the soil
D.The soil provides a special code that unlocks the seed
- 9.
Which of these is NOT a function of the cotyledons during the germination of a dicot seed?
A.Absorbing sunlight to produce sugar for the radicle
B.Storing starch and proteins for the developing embryo
C.Protecting the plumule as it is pushed through the soil
D.Providing energy through the oxidation of stored food
- 10.
If you were to provide a seed with warmth and oxygen but no water, which of the following 'germination' steps would be blocked first?
A.The softening of the seed coat and swelling of the cotyledons
B.The release of carbon dioxide during respiration
C.The movement of the plumule towards the light
D.The detection of gravity by the radicle
Download the worksheet for Plant Life - Conditions for Germination to practice offline. It includes additional chapter-level practice questions.
Dispersal of seeds (Wind, Water, Animals, Explosion)
SubtopicDispersal of seeds (Wind, Water, Animals, Explosion) under Plant Life for Grade 5 ICSE.
Preview questions (no answers)
- 1.
The dispersal of seeds ensures that the new plants get enough:
A.Oxygen and Nitrogen only
B.Space, sunlight, and minerals
C.Shadow and cold air
D.Fertilizer from shops
- 2.
Sea beans are seeds that can travel thousands of miles across oceans. Their dispersal agent is:
A.Wind
B.Animals
C.Explosion
D.Water
- 3.
Ash tree seeds are shaped like keys with a single wing. They are dispersed by:
A.Water
B.Wind
C.Animals
D.Explosion
- 4.
What kind of seed dispersal is common for fruits like blackberries?
A.Wind
B.Water
C.Animals (birds)
D.None
- 5.
If a plant produces seeds that are identical to the parent and fall directly under it, what is a likely consequence?
A.The seeds will grow faster
B.The seedlings will struggle to get enough light and space
C.The parent plant will get more nutrients
D.There will be no competition
- 6.
Which part of the Coconut provides the buoyancy needed for it to float on water?
A.The hard inner shell
B.The liquid water inside
C.The fibrous middle layer (husk)
D.The embryo
- 7.
How does the 'shaker' mechanism in a Poppy plant differ from the 'explosive' mechanism in a Pea plant?
A.The Poppy uses wind to shake seeds out, while the Pea uses internal tension
B.The Poppy uses water, while the Pea uses wind
C.The Poppy uses animals, while the Pea uses water
D.The Poppy uses gravity, while the Pea uses animals
- 8.
In the context of the ICSE curriculum, why is 'Competition' the most important concept to understand when studying seed dispersal?
A.Because plants compete to see which one can grow the tallest.
B.Because seeds that land near the parent must fight for the same water, light, and nutrients, reducing their chance of survival.
C.Because plants compete to attract the most wind.
D.Because seeds compete to see which one can fly the fastest.
- 9.
The Boxcar plant (Hura crepitans) is also known as the 'Dynamite Tree' because its fruit explodes with a sound like a gunshot. What is a potential danger of this dispersal method for the seeds themselves?
A.The seeds might be burned by the heat of the explosion.
B.The seeds might be damaged by the high force of the impact when they hit distant objects.
C.The sound might attract predators to eat the seeds.
D.The explosion might break the parent tree's branches.
- 10.
A plant species produces seeds with hooks, but all the large furry animals in its habitat have gone extinct. What is the most likely long-term result for the plant?
A.The plant will immediately start growing wings on its seeds.
B.The seeds will pile up under the parent plant, leading to overcrowding and a decline in the population.
C.The plant will start dispersing seeds by explosion.
D.The seeds will become lighter to be carried by the wind.
Download the worksheet for Plant Life - Dispersal of seeds (Wind, Water, Animals, Explosion) to practice offline. It includes additional chapter-level practice questions.
Vegetative Reproduction
SubtopicVegetative Reproduction under Plant Life for Grade 5 ICSE.
Preview questions (no answers)
- 1.
Vegetative propagation is commonly used by farmers because it ensures:
A.All plants are different
B.The plants grow very slowly
C.The same quality of fruit is maintained
D.No water is needed
- 2.
In vegetative reproduction, the new plant is called a:
A.Parent
B.Offspring
C.Pollinator
D.Dispersal
- 3.
Lilies are plants that commonly grow from:
A.Rhizomes
B.Bulbs
C.Runners
D.Fruits
- 4.
Which of these plants grows from a corm?
A.Ginger
B.Potato
C.Colocasia
D.Onion
- 5.
Artificial vegetative propagation is especially useful for which type of plants?
A.Plants that produce many seeds
B.Plants that do not produce viable seeds
C.Plants that grow in water
D.Plants that live for only one month
- 6.
Which plant is most likely to be propagated using stem cuttings in a home garden?
A.Money plant
B.Wheat plant
C.Coconut tree
D.Maize plant
- 7.
In Grafting, the plant which has the desired fruit or flower characteristics is the:
A.Stock
B.Scion
C.Rootstock
D.Runner
- 8.
Which of the following describes the correct condition for a potato tuber to act as a vegetative propagule?
A.It must be boiled first.
B.It must be kept in complete dryness for 6 months.
C.It must have at least one 'eye' containing a bud and be planted in moist soil.
D.It must be cut into exactly ten pieces.
- 9.
What is the primary difference between a 'Runner' and an 'Offset'?
A.Runners are found in land plants, while offsets are shorter and found in aquatic plants.
B.Runners grow underground, while offsets grow in the air.
C.Runners produce flowers, but offsets do not.
D.Offsets are much longer than runners.
- 10.
Which statement about vegetative reproduction is FALSE?
A.It helps in the dispersal of plants over very long distances.
B.It is a faster method of reproduction compared to seed germination.
C.It ensures that the characteristics of the parent plant are preserved.
D.It allows plants to reproduce even if they fail to produce viable seeds.
Download the worksheet for Plant Life - Vegetative Reproduction to practice offline. It includes additional chapter-level practice questions.
Crops and Agriculture (Kharif and Rabi)
SubtopicCrops and Agriculture (Kharif and Rabi) under Plant Life for Grade 5 ICSE.
Preview questions (no answers)
- 1.
What provides the organic matter called 'humus' to the soil?
A.Chemical fertilizers
B.Plastic waste
C.Decayed plant and animal matter
D.Rocks and stones
- 2.
Which practice involves removing light husks from heavier grains using wind?
A.Ploughing
B.Winnowing
C.Sowing
D.Irrigation
- 3.
Linseed is an example of a:
A.Kharif crop
B.Summer crop
C.Rabi crop
D.Rainy season crop
- 4.
Why is it important to leave space between seeds while sowing?
A.So they don't get lonely
B.To prevent competition for nutrients and sunlight
C.To make harvesting harder
D.To save the number of seeds used
- 5.
Study the requirements for 'Crop A' and 'Crop B' in the diagram below. Based on the sowing months and growth conditions, which pair of crops correctly identifies A and B?
A.Crop A: Wheat; Crop B: Rice
B.Crop A: Gram; Crop B: Cotton
C.Crop A: Rice; Crop B: Wheat
D.Crop A: Mustard; Crop B: Soyabean
- 6.
A farmer is planning his yearly schedule. He looks at the following diagram to decide when to switch his crops. If he is currently growing 'Maize' and wants to plant 'Mustard' next, what is the most significant environmental change he must account for based on the crop types?
A.The new crop will require a much higher amount of rainfall and standing water.
B.The new crop will need a cooler climate and less water to grow properly.
C.The new crop will be harvested in the month of October before the winter starts.
D.The new crop will need to be sown during the peak of the monsoon season in June.
- 7.
Why is it necessary to dry grains before storing them?
A.To make them heavier
B.To reduce the moisture content and prevent fungal growth
C.To change their color
D.To help them germinate faster in the bag
- 8.
How do 'Silos' and 'Granaries' help in maintaining food security throughout the year?
A.They allow crops to grow even in the middle of summer
B.They store surplus harvest safely from moisture and pests to be used when crops are not growing
C.They are used to produce chemical fertilizers on the farm
D.They help in transporting the grain from the farm to the city in a few minutes
- 9.
Which of the following represents the correct order of agricultural practices?
A.Sowing -> Irrigation -> Soil Preparation -> Harvesting
B.Soil Preparation -> Sowing -> Manuring -> Harvesting
C.Harvesting -> Sowing -> Irrigation -> Soil Preparation
D.Irrigation -> Harvesting -> Sowing -> Manuring
- 10.
What is the specific benefit of 'Manuring' a field before the sowing of Kharif crops?
A.It makes the soil very hard so that it doesn't wash away in rain
B.It provides essential nutrients and improves the physical condition of the soil for the young seedlings
C.It prevents the monsoon rain from entering the soil
D.It changes the color of the soil to attract more sunlight
Download the worksheet for Plant Life - Crops and Agriculture (Kharif and Rabi) to practice offline. It includes additional chapter-level practice questions.