📚 Class 3 Science – Chapter 1: Plants (MCQs with Explanation)

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🔹 1. Multiple Choice Questions

1️⃣ Which part of the plant absorbs water from the soil?

(a) Stem
(b) Leaf
(c) Root
(d) Flower
Answer: (c) Root
Explanation: Roots take in water and minerals from the soil to help the plant grow.

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2️⃣ Which part of the plant makes food?

(a) Stem
(b) Leaf
(c) Root
(d) Flower
Answer: (b) Leaf
Explanation: Leaves make food for the plant through photosynthesis using sunlight, water, and carbon dioxide.

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3️⃣ What is the function of the stem?

(a) Absorb water
(b) Make food
(c) Support the plant and carry water and nutrients
(d) Protect seeds
Answer: (c) Support the plant and carry water and nutrients
Explanation: The stem supports the plant and transports water, minerals, and food between roots and leaves.

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4️⃣ Which part of the plant helps in reproduction?

(a) Leaf
(b) Stem
(c) Flower
(d) Root
Answer: (c) Flower
Explanation: Flowers contain seeds and help in reproduction of plants.

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5️⃣ What is photosynthesis?

(a) Process of absorbing water
(b) Process of making food
(c) Process of growing roots
(d) Process of flowering
Answer: (b) Process of making food
Explanation: Photosynthesis is the process where leaves make food using sunlight, water, and carbon dioxide.

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6️⃣ Which of these is a creeper plant?

(a) Rose
(b) Pumpkin
(c) Mango
(d) Hibiscus
Answer: (b) Pumpkin
Explanation: Creeper plants grow along the ground.

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7️⃣ Which of these is a climber plant?

(a) Spinach
(b) Money plant
(c) Carrot
(d) Wheat
Answer: (b) Money plant
Explanation: Climber plants climb on walls or other supports.

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8️⃣ Which of the following is a tree?

(a) Rose
(b) Mango
(c) Spinach
(d) Pumpkin
Answer: (b) Mango
Explanation: Trees are large plants with strong woody stems.

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9️⃣ Which of the following do plants provide?

(a) Oxygen
(b) Food
(c) Shelter
(d) All of the above
Answer: (d) All of the above
Explanation: Plants provide oxygen, food, shelter, medicine, and materials.

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🔟 Seeds grow into:

(a) Animals
(b) Rocks
(c) Plants
(d) Water
Answer: (c) Plants
Explanation: Seeds germinate and grow into new plants.

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🔹 2. Quick Revision Tips

1. Parts of a plant: Root, Stem, Leaf, Flower, Fruit, Seed

2. Functions:

   • Root → Absorbs water

   • Stem → Supports & transports

   • Leaf → Makes food

   • Flower → Reproduction

3. Types of plants: Herb, Shrub, Tree, Creeper, Climber

4. Photosynthesis: Leaves make food using sunlight, water, CO₂

5. Importance of plants: Food, Oxygen, Shelter, Medicine, Clothes/Furniture