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SAI INTERNATIONAL SCHOOL
CLASS -IV -SCIENCE-HOME ASSIGNMENT
Chapter 7- Leaves-The Food Factory of Plant
A.Tick the correct answer.
1. What is the tip of the leaf known as?
a. leaf blade b. midrib c. apex d. side vein
2.Which substance in the leaf traps sunlight?
a. Starch b. water c. iodine d. chlorophyll
3.The broad flat surface of the leaf is known as
a. apex b. side veins c. stomata d. leaf blade
4.Which part of the plant is known as the“kitchen of the plant”?
a. leaf b. stem c. root d. branch
5.The vein running through the centre of the leaf is called
a. side vein b. midrib c. Both a and b d. None.
B. What are stomata? Write their functions?
C. Label the different parts of this leaf.
