Class 4 Science Plants the source of Food Worksheet
Class 4 Science Plants the source of Food Worksheet includes sections of MCQ . True False , Fill in the blanks and Questions….
Section A: Fill in the blanks
- The green colour of leaves is due to __________.
- The process by which plants make food is called __________.
- Starch turns __________ when iodine is added.
- Plants take in __________ gas and give out __________ during photosynthesis.
- The __________ carries water and minerals from roots to other parts.
- The part of the plant which grows underground is called the __________.
- Leaves have tiny pores called __________.
- __________ stores food in fruits like mango and apple.
- The food made by plants is transported to other parts through the __________.
- __________ and __________ are root vegetables.
Section B: True or False
- Only humans need oxygen to live.
- Plants get raw materials like water and sunlight from nature.
- The stem helps the plant in making food.
- Leaves are called the food factory of the plant.
- Plants store their food only in leaves.
- Chlorophyll helps in trapping sunlight.
- Roots absorb water and minerals from the soil.
- Photosynthesis happens only during the night.
- Plants help in cleaning the air.
- Big plants have fewer leaves than small plants.
Section C: Multiple Choice Questions (MCQs) Tick (✓) the correct option.
What is needed for photosynthesis?
- a) Sugar
- b) Sunlight
- c) Salt
- d) None
Which part of the plant makes food?
- a) Stem
- b) Leaf
- c) Root
- d) Flower
Stomata are present in the:
- a) Root
- b) Stem
- c) Leaf
- d) Flower
What is produced during photosynthesis?
- a) Water
- b) Oxygen and food
- c) Carbon dioxide
- d) Salt
Which part stores food in a carrot?
- a) Stem
- b) Root
- c) Leaf
- d) Fruit
What colour does a leaf turn when iodine is added (if starch is present)?
- a) Red
- b) Blue-black
- c) Yellow
- d) Green
Which of these is a fruit that stores food?
- a) Potato
- b) Mango
- c) Spinach
- d) Onion
What is the function of roots?
- a) Make food
- b) Absorb water
- c) Grow flowers
- d) Give oxygen
The flat part of the leaf is called:
- a) Vein
- b) Leaf blade
- c) Stoma
- d) Petal
What is glucose?
- a) A colour
- b) A gas
- c) A type of food/sugar
- d) A mineral
Section D: Short Answer Questions
What is photosynthesis? Name the things needed for this process.
Why is sunlight necessary for photosynthesis?
Explain the role of roots and stem in a plant.
What happens when iodine is added to a leaf that has starch?
Why are leaves mostly green?
How do plants help us stay alive and healthy?
