Chapter: 01. The Leaf
Section A: Multiple Choice Questions (10 Marks)
Choose the best answer for each question.
Which part of the plant is responsible for absorbing water and minerals from the soil?
(a) Stem
(b) Leaves
© Roots
(d) Flowers What is the main function of chlorophyll in leaves?
(a) To store food
(b) To absorb water
© To trap sunlight energy
(d) To release carbon dioxide Leaves with parallel venation are typically found in:
(a) Dicot plants
(b) Non-flowering plants
© Monocot plants
(d) Both (a) and © Which of the following is an example of a simple leaf?
(a) Rose
(b) Neem
© Mango
(d) Acacia What gas do leaves take in during photosynthesis?
(a) Oxygen
(b) Carbon dioxide
© Nitrogen
(d) Water vapor The process of water loss from the surface of leaves in the form of water vapor is called:
(a) Photosynthesis
(b) Respiration
© Transpiration
(d) Absorption Which of these plants has leaves modified into tendrils for support?
(a) Cactus
(b) Onion
© Sweet pea
(d) Bryophyllum Cacti leaves are modified into spines primarily to:
(a) Help in climbing
(b) Store water
© Reduce water loss
(d) Attract insects Which of the following is an insectivorous plant?
(a) Ginger
(b) Bladderwort
© Banana
(d) Peepal Vegetative propagation in Bryophyllum occurs through:
(a) Seeds
(b) Stem
© Roots
(d) Buds on leaf margins Section B: Fill in the Blanks (8 Marks)
Complete the following sentences with the correct word(s).
Carl Linnaeus is known as the ‘_ _ _ _ _ _ _ _ _ _’. The swollen end of the petiole, where it attaches to the stem, is called the ‘_ _ _ _ _ _ _ _ _ _’. The arrangement of veins in the leaf blade is called _ _ _ _ _ _ _ _ _ _. An axillary bud is present in the axil of the _ _ _ _ _ _ _ _ _ _ but not in the axil of the leaflet. Food made during photosynthesis is initially in the form of _ _ _ _ _ _ _ _ _ _ and stored as _ _ _ _ _ _ _ _ _ _. Tiny pores on the surface of leaves through which gases are exchanged are called _ _ _ _ _ _ _ _ _ _. _ _ _ _ _ _ _ _ _ _ leaves are found in ginger and onion, protecting buds. Insectivorous plants catch insects to supplement their _ _ _ _ _ _ _ _ _ _ requirement. Section C: True/False Questions (6 Marks)
State whether the following statements are True or False.
Redwood trees are the world’s tallest trees. Monocot plants have stalked leaves. The lamina of a simple leaf is always completely undivided. Transpiration helps to cool the plant body. All green plants get their nitrogen by eating insects. Vegetative propagation is a form of sexual reproduction. Section D: Identifying and Differentiating Concepts (6 Marks)
Differentiate between Reticulate Venation and Parallel Venation. (3 Marks) Differentiate between a Simple Leaf and a Compound Leaf. (3 Marks) Section E: Short Answer Questions (10 Marks)
Answer the following questions briefly (2-3 sentences each).
What is the role of the midrib and veins in a leaf? Briefly explain why leaves are called the “food factories” of a plant. How does the process of transpiration help the plant absorb water from the soil? Why are the leaves of cactus plants modified into spines? Mention two plants that can propagate vegetatively from their leaves. Section F: Diagram-Based Question (5 Marks)
Observe the image below showing two different types of leaves. (a) Identify what each picture represents (Left leaf, Right leaf). (2 Marks)
(b) Give one example for each type of leaf. (2 Marks)
(c) Which type of leaf typically has an axillary bud at the base of its entire leaf structure? (1 Mark)
Section G: Environmental Awareness / Everyday Use (5 Marks)
Why is it important for us to protect green plants and forests? Give at least two reasons. (3 Marks) Name two everyday things we get from plants, other than food. (2 Marks) 
Practice Paper
