📌 How to Use
First read the questions carefully using the Read section. Use the Details button to understand concepts clearly. After completing reading, click Practice Quiz to test yourself.
📘 Study MCQs
Q1. What is the main function of the stem?
• To make food
• To absorb water
• To transport water and food
• To produce seeds
Answer: To transport water and food
The stem carries water and minerals from the roots to the leaves.
It also transports food made in the leaves to other parts of the plant.
Thus, the stem acts as a transport system of the plant.
Q2. Which part of the plant supports leaves and flowers?
• Root
• Stem
• Flower
• Seed
Answer: Stem
The stem holds the plant upright.
It supports leaves, flowers, and fruits.
Without stem, the plant cannot stand properly.
Q3. What is the function of leaves?
• Absorb water
• Make food
• Hold soil
• Produce roots
Answer: Make food
Leaves prepare food by the process of photosynthesis.
They use sunlight, water, and carbon dioxide.
Food prepared helps the plant grow and survive.
Q4. Which part of the leaf helps in photosynthesis?
• Veins
• Petiole
• Lamina
• Margin
Answer: Lamina
Lamina is the flat green part of the leaf.
It contains chlorophyll.
Chlorophyll helps in making food.
Q5. What is the stalk of a leaf called?
• Midrib
• Vein
• Petiole
• Margin
Answer: Petiole
Petiole connects the leaf to the stem.
It helps in holding the leaf in position.
It also helps in transport of food.
Q6. What are veins in a leaf?
• Green part
• Hair-like structures
• Lines on the leaf
• Flowers on leaf
Answer: Lines on the leaf
Veins are the thin lines seen on leaves.
They carry water and food.
They also give strength to the leaf.
Q7. Which part of the plant produces flowers?
• Root
• Stem
• Leaf
• Seed
Answer: Stem
Flowers grow on the stem.
Stem supports and supplies food to flowers.
Flowers later form fruits and seeds.
Q8. What is the function of flowers?
• Make food
• Reproduction
• Absorb water
• Support plant
Answer: Reproduction
Flowers help in reproduction.
They form fruits and seeds after pollination.
Seeds grow into new plants.
Q9. Which of the following is a herb?
• Mango
• Neem
• Mint
• Rose
Answer: Mint
Herbs are small plants with soft stems.
Mint has a soft green stem.
So, mint is a herb.
Q10. What are herbs?
• Tall woody plants
• Small plants with soft stems
• Plants with no leaves
• Plants with hard stems
Answer: Small plants with soft stems
Herbs are small in size.
They have soft and green stems.
They usually live for a short time.
Q11. What are shrubs?
• Small soft plants
• Medium-sized woody plants
• Very tall plants
• Plants without stem
Answer: Medium-sized woody plants
Shrubs are medium in height.
They have hard and woody stems.
They branch near the ground.
Q12. Which of the following is a shrub?
• Grass
• Rose
• Wheat
• Mint
Answer: Rose
Rose plant has a woody stem.
It is medium in height.
Therefore, it is a shrub.
Q13. What are trees?
• Small plants
• Medium plants
• Tall woody plants
• Creeping plants
Answer: Tall woody plants
Trees are tall plants with thick woody trunks.
They live for many years.
Examples include mango and neem.
Q14. Which is an example of a tree?
• Mint
• Rose
• Mango
• Pumpkin
Answer: Mango
Mango has a thick woody trunk.
It grows tall and lives long.
Hence, it is a tree.
Q15. What are creepers?
• Plants with weak stems spreading on ground
• Plants that climb walls
• Tall woody plants
• Plants with strong stems
Answer: Plants with weak stems spreading on ground
Creepers have very weak stems.
They spread along the ground.
They cannot stand upright.
Q16. Which is a creeper?
• Grapevine
• Pumpkin
• Money plant
• Pea plant
Answer: Pumpkin
Pumpkin has a weak stem.
It spreads on the ground.
So, it is a creeper.
Q17. What are climbers?
• Plants that grow on ground
• Plants with strong stems
• Plants that climb with support
• Plants without roots
Answer: Plants that climb with support
Climbers have weak stems.
They climb using support like sticks or walls.
Examples include grapevine.
Q18. Which is a climber?
• Pumpkin
• Mint
• Grapevine
• Grass
Answer: Grapevine
Grapevine has weak stem.
It needs support to climb.
Hence, it is a climber.
Q19. Why are plants grouped?
• For decoration
• For easy study
• For cutting
• For burning
Answer: For easy study
Grouping plants makes study easy.
Plants are grouped based on size and stem.
This helps in better understanding.
Q20. Which part of leaf carries water and food?
• Margin
• Veins
• Petiole
• Lamina
Answer: Veins
Veins transport water and food.
They run throughout the leaf.
They also provide support.
Q21. Why should we protect biodiversity?
• For pollution
• For balance of nature
• For noise
• For buildings
Answer: For balance of nature
Biodiversity keeps nature balanced.
Plants and animals depend on each other.
Loss of biodiversity harms life on Earth.
Q22. Which is a way to protect biodiversity?
• Cutting forests
• Hunting animals
• Planting trees
• Polluting water
Answer: Planting trees
Planting trees increases greenery.
It provides shelter to animals.
It helps protect biodiversity.
Q23. What happens if biodiversity is lost?
• Balance of nature improves
• No effect
• Balance of nature is disturbed
• More forests grow
Answer: Balance of nature is disturbed
All living beings are connected.
Loss of one affects others.
Nature becomes imbalanced.
Q24. What is Project Tiger?
• Project to save birds
• Project to save tigers
• Project to save plants
• Project to save fish
Answer: Project to save tigers
Project Tiger was started to protect tigers.
It helps conserve tiger population.
It also protects forests.
Q25. Why was Project Tiger started?
• To increase pollution
• To protect tigers from extinction
• To cut forests
• To build cities
Answer: To protect tigers from extinction
Tigers were decreasing in number.
Project Tiger protects them and their habitat.
It helps maintain biodiversity.
Q26. What is the Cheetah Reintroduction Project?
• Project to remove cheetahs
• Project to bring cheetahs back to India
• Project to save cows
• Project to save trees
Answer: Project to bring cheetahs back to India
Cheetahs became extinct in India.
This project brings cheetahs back.
It helps restore biodiversity.
Q27. Why are cheetahs reintroduced?
• For hunting
• For balance of ecosystem
• For farming
• For pollution
Answer: For balance of ecosystem
Cheetahs are top predators.
They help control animal population.
Their return improves ecosystem balance.
Q28. What is the Great Indian Bustard Project?
• Project to save fish
• Project to save a bird
• Project to save insects
• Project to save trees
Answer: Project to save a bird
The Great Indian Bustard is endangered.
This project aims to protect it.
It helps prevent extinction.
Q29. Why should birds be protected?
• They destroy crops
• They help in seed dispersal
• They pollute air
• They waste water
Answer: They help in seed dispersal
Birds spread seeds to new places.
This helps plants grow.
They are important for biodiversity.
Q30. Which plant part makes seeds?
• Leaf
• Root
• Flower
• Stem
Answer: Flower
Flowers help in reproduction.
After pollination, seeds are formed.
Seeds grow into new plants.
Q31. Which plant part absorbs water from soil?
• Leaf
• Stem
• Root
• Flower
Answer: Root
Roots absorb water and minerals.
They anchor the plant in soil.
They are very important for growth.
Q32. Which plants live for many years?
• Herbs
• Creepers
• Trees
• Climbers
Answer: Trees
Trees have strong woody stems.
They live for many years.
They provide shelter and oxygen.
Q33. Which part of leaf is the main vein?
• Margin
• Petiole
• Midrib
• Lamina
Answer: Midrib
Midrib is the main vein.
Other veins arise from it.
It supports the leaf.
Q34. Which of these is a climber?
• Pea plant
• Mango
• Grass
• Mint
Answer: Pea plant
Pea plant has weak stem.
It climbs using support.
Thus, it is a climber.
Q35. Why should forests be protected?
• For cutting trees
• For wildlife and clean air
• For buildings
• For roads
Answer: For wildlife and clean air
Forests provide shelter to animals.
They give oxygen and clean air.
They help protect biodiversity.
Q36. Which plant part holds the leaf to stem?
• Vein
• Petiole
• Margin
• Midrib
Answer: Petiole
Petiole attaches leaf to stem.
It keeps leaf in proper position.
It helps in transport.
Q37. Which plants need support to grow upward?
• Trees
• Herbs
• Climbers
• Shrubs
Answer: Climbers
Climbers have weak stems.
They cannot stand on their own.
They need support.
Q38. Which plant spreads on ground?
• Climber
• Tree
• Creeper
• Shrub
Answer: Creeper
Creepers have very weak stems.
They grow along the ground.
They cannot climb.
Q39. Which is a benefit of plants?
• Pollution
• Oxygen
• Noise
• Garbage
Answer: Oxygen
Plants release oxygen.
Oxygen is essential for life.
Thus, plants are very important.
Q40. Which plants have soft stems?
• Trees
• Shrubs
• Herbs
• Climbers
Answer: Herbs
Herbs have green and soft stems.
They are small plants.
They usually live for short time.
Q41. Why should animals be protected?
• For fun
• For balance of nature
• For noise
• For pollution
Answer: For balance of nature
Animals are part of food chains.
They help maintain balance.
Protecting them protects biodiversity.
Q42. Which of these helps protect biodiversity?
• Deforestation
• Poaching
• Wildlife conservation
• Pollution
Answer: Wildlife conservation
Wildlife conservation protects animals and plants.
It prevents extinction.
It maintains natural balance.
Q43. Which plant part gives shape to plant?
• Root
• Stem
• Leaf
• Flower
Answer: Stem
Stem holds the plant upright.
It gives shape and structure.
It supports all parts.
Q44. Which part of leaf protects its edges?
• Veins
• Margin
• Petiole
• Midrib
Answer: Margin
Margin is the edge of leaf.
It may be smooth or toothed.
It protects leaf shape.
Q45. Which plants are smallest in size?
• Trees
• Shrubs
• Herbs
• Climbers
Answer: Herbs
Herbs are small plants.
They have soft stems.
They grow quickly.
Q46. Which project protects national animal of India?
• Cheetah project
• Great Indian Bustard project
• Project Tiger
• Tree plantation
Answer: Project Tiger
Tiger is national animal of India.
Project Tiger protects tigers.
It conserves forests too.
Q47. Which animals are helped by cheetah project?
• Birds
• Reptiles
• Cheetahs
• Fish
Answer: Cheetahs
The project brings cheetahs back.
It protects them from extinction.
It improves ecosystem.
Q48. Which bird is protected under bustard project?
• Peacock
• Sparrow
• Great Indian Bustard
• Eagle
Answer: Great Indian Bustard
The bird is critically endangered.
Special steps are taken to save it.
It helps preserve biodiversity.
Q49. Which activity harms biodiversity?
• Tree plantation
• Conservation
• Deforestation
• Protection
Answer: Deforestation
Cutting forests destroys habitats.
Animals lose shelter and food.
This reduces biodiversity.
Q50. Why should students learn about plants?
• For exams only
• For protecting nature
• For cutting plants
• For wasting time
Answer: For protecting nature
Learning about plants builds awareness.
It helps protect environment.
Students become responsible citizens.