A plant getting bigger
Growth has several signs.
📚 Chapter Learning Kit
Life Processes in Plants · Class 7 Science · Curiosity
English 5 topics 175 leveled MCQs 85 flashcards 5 games Free
Shared by a Veda teacher · Generated with Veda AI · Oct 2026
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Nutrients
What food is for.
Food gives carbohydrates, fats, proteins, vitamins and minerals. Those, with water, are all needed for growth.
Before testing
Three guesses, and no answer yet.
Starch, in the leaves
Where food is kept.
Plants store food as starch, a kind of carbohydrate, and the starch is produced in the leaves.
Broad and flat
The shape is deliberate.
A broad flat surface catches as much light as possible for the amount of leaf there is.
Chlorophyll
The colour is machinery.
A green pigment that makes leaves green and helps the leaf capture sunlight efficiently.
📖 Smart notes
What you'll study, topic by topic
1
What Plants Need in Order to Grow
Three pots, one changed condition each, and two weeks of watching. That is enough to settle what a plant must have, and it is a lesson about experiments as much as about plants.
- while a plant is growing, fresh leaves and branches appear and the stem thickens.
- Its height increases, so growth shows in several ways at once.
- Food supplies carbohydrates, fats, proteins, vitamins and minerals.
~40 min · full explanation, examples & memory tricks in the app
2
Leaves, the Food Factories
A leaf has to lose its colour before it will tell you anything. Once it does, two patches on one leaf and two plants in two places settle what starch needs.
- Plants store food as starch, which is a kind of carbohydrate.
- That starch is produced in the leaves, which are broad and flat.
- Leaves look green because of a green pigment called chlorophyll.
~40 min · full explanation, examples & memory tricks in the app
3
Air, and Photosynthesis Written Out
One leaf with half of it inside a bottle settles what the air contributes. A water plant in sunlight shows what comes back out.
- A plant is kept dark for two or three days first, to lose stored starch.
- Caustic soda in the bottle absorbs carbon dioxide from the air.
- Half the leaf goes into the bottle through a split cork, half stays out.
~45 min · full explanation, examples & memory tricks in the app
4
Stomata, and the Two Pipelines
Gases cross at pores too small to see without a microscope. Water rises by one set of tubes and food travels out by another, in opposite directions.
- A thin peel is taken from the lower surface of a leaf and mounted in water.
- Ink is added, a coverslip put on, and the peel viewed under a microscope.
- Tiny pores appear on the peel; these pores are called stomata.
~40 min · full explanation, examples & memory tricks in the app
5
Do Plants Respire?
A flask of soaked seeds and two tubes of lime water answer it. And the word equation that comes out is the one from the last topic, read backwards.
- Moong bean seeds are soaked overnight and laid on wet cotton in a flask.
- A cork with two holes carries two tubes, and the flask stands 24 hours in the dark.
- Two test tubes of lime water are used, but only one is joined to the flask.
~40 min · full explanation, examples & memory tricks in the app
❓ Leveled MCQ practice
Try the smart MCQs from this kit
175 questions laddered from warm-up to topper-level, each with an explanation. A taste:
A gardener wants one sign that a young plant is actually growing and not merely staying alive. Which of these shows growth?
Beginner
A Its leaves change shape
B Its roots stop working
C Its stem gets thicker
D Its flowers close up
Show answer & explanation
Its stem gets thicker
New leaves and branches, more height and a thicker stem all show growth.
Compare a kitten with the cat it becomes. What has usually happened?
Beginner
A Its size and weight increase
B Its body stays exactly as it was, except for the height it reaches
C It stops eating
D It loses weight
Show answer & explanation
Its size and weight increase
Its body also goes through various changes.
Which list gives the nutrients that food provides?
Intermediate
A Sunlight, water and the air that surrounds the plant on every side
B Carbon dioxide, oxygen and the water that the roots have taken in
C Starch, glucose and oxygen
D Carbohydrates, fats, proteins, vitamins, minerals
Show answer & explanation
Carbohydrates, fats, proteins, vitamins, minerals
Water is needed as well, but it is not one of those five.
A pupil sets the growth activity up on her windowsill with saplings of the same kind. How many pots are used?
Beginner
A One
B Three
C Two
D Five
Show answer & explanation
Three
They are labelled A, B and C.
🃏 Flashcards
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Categorization
Fact Or Myth
Sequence Builder
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Speed Quiz
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