Page 2 - 3. Home assignment I (Obj & Subj)- The Leaf, Functions and modifications of leaves
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8. In cactus, these are modified to form spines.
a) Stem
b) leaves
c) Lamina
d) Branches
9. It is the process of loss of water from the aerial parts of the plant.
a) Transpiration
b) Transportation
c) Absorption
d) Evaporation
10. The following processes are seen in plants
a) Respiration
b) Transpiration
c) Photosynthesis
All of the above
Subjective Assignment
S.No. QUESTIONS MARKS SKILL
1 Write down the complete equation of photosynthesis. 1 E
.
2 Define the process of manufacture of food in green 1 A
plants.
3 What is venation? Discuss the two types of venation 3 A
seen in plants
4 Explain the structure of a leaf with a neat diagram. 3 A
5 Why are the leaves reduced to form spines in a 3 E
cactus?
6 How does the pitcher plant get its share of nitrogen? 3 D
7 Is there a relation between venation and types of roots 5 D
of a plant? Explain.
8 Transpiration amounts to loss of water in plants. Yet, it 5 D
is a useful process, both for the plants and the
environment.
a) Justify the above statement.
b) Which part of the plant aids the above process?
