Page 3 - SAI INTERNATIONAL SCHOOL/LESSON PLAN

ii. Hot and dry
iii. Cool and rainy
iv. Warm and humid
b) What function is performed by the stem in a cactus?
c) Why do cactus plants not have leaves?
12. A farmer notices that the yield of their fruit crop has
decreased significantly this season. Upon observation, they
realize that there are fewer bees visiting the flowers.
a) What could happen to plants if there is a lack of
pollination?
a) The plant will grow taller
b) The flowers will turn into leaves
c) The plant may not produce fruits or seeds
d) The stem will become weaker
b) How are bees related to it.
c) What role do pollinating agents, such as bees and butterflies, play in the process
of cross-pollination?
d) Explain how the bee facilitates the transfer of pollen between flowers.
13. The image shows a sample of a leaf from theschool
garden. Study the image carefully and answer the
following questions:
i. A leaf has veins that form a net-like pattern.
Name the type of venation this leaf shows
ii. A leaf has veins that run parallel to each other
from the base to the tip. Name the type of
venation this leaf shows.
iii. Write the type of root system shown by each type of leaf venation, respectively.
14. Some plants like money plant and pumpkin have weak stems that cannot stand upright.
They develop tendrils — special stem modifications that help them climb walls and
supports to reach sunlight.
a) What is the role of tendrils in such plants?
b) How is this modification helpful to the plant?
c) Suggest another plant that shows a similar modification.
15. Some plants like pitcher plant have leaves modified into a pitcher-like structure. These
plants grow in soil lacking nitrogen. The pitcher traps insects, and the plant digests
them to fulfill its nutrient needs.

a) What is the function of the modified leaf in a pitcher plant?
b) Why do these plants trap insects?
c) Name one more insectivorous plant with leaf modification

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