(i) Which part of a plant is used to make medicine?
(a) Roots
(b) Leaves
(c) Stems
(d) Flowers
Ans: (b)
Herbs, which are small plants, often have leaves used for medicinal purposes.
(ii) What type of plant cannot stand on its own and requires support to climb?
(a) Trees
(b) Shrubs
(c) Climbers
(d) Herbs
Ans: (c)
Climbers are weak plants that need support to grow upward.
(iii) Which part of a plant is responsible for giving us oxygen?
(a) Leaves
(b) Stems
(c) Flowers
(d) Roots
Ans: (a)
Through a process called photosynthesis, leaves produce oxygen.
(iv) What plant part do we consume from the cotton plant to obtain fiber?
(a) Seeds
(b) Stems
(c) Flowers
(d) Leaves
Ans: (c)
Cotton fiber is obtained from the flowers of the cotton plant.
(v) Which type of plant has a strong trunk and branches?
(a) Herbs
(b) Shrubs
(c) Climbers
(d) Trees
Ans: (d)
Trees have a strong trunk and branches, distinguishing them from other plant types.
Q2: Fill in the Blanks
(i) Plants need ________, water, and sunlight to grow.
Ans: air
Essential elements for plant growth include air, water, and sunlight.
(ii) _________ are used to make doors, windows, and furniture.
Ans: Wood
Wood obtained from plants is used in various construction and furniture-making purposes.
(iii) Rubber is made from the _______ collected from the rubber tree.
Ans: latex
Rubber production involves processing the latex obtained from rubber trees.
(iv) We get _______ oil from coconuts.
Ans: coconut
Oil extracted from coconuts is known as coconut oil.
(v) Plants give out ________, which we breathe in.
Ans: oxygen
Through photosynthesis, plants release oxygen, which is essential for human respiration.
Q 3: True or False
(i) Plants do not contribute to purifying the air.
Ans: False
Plants indeed contribute to purifying the air by producing oxygen.
(ii) All herbs have a long lifespan.
Ans: False
Herbs typically have a shorter lifespan compared to trees; they often live for a shorter duration.
(iii) Climbers can grow independently without needing support.
Ans: False
Climbers are plants that require external support to grow upwards.
(iv) Fruits never have seeds in them.
Ans: False
Many fruits contain seeds; seeds are responsible for the growth of new plants.
(v) Plants do not provide any raw materials for factories.
Ans: False
Plants offer various raw materials used in factories, such as wood, fibers, and oils.
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