Plants and Gardens Quiz - Explore the World of Botany

Question 1 of 25

Which part of the plant is primarily responsible for photosynthesis?

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Root

Stem

Leaves

Flowers

Question 2 of 25

What is the primary function of a plant's roots?

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Absorb water and nutrients

Produce flowers

Capture sunlight

Release oxygen

Question 3 of 25

Which pigment gives plants their green color?

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Chlorophyll

Carotene

Xanthophyll

Anthocyanin

Question 4 of 25

What type of plants lose their leaves annually?

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Deciduous plants

Evergreen plants

Perennial plants

Herbaceous plants

Question 5 of 25

Which type of plant tissue is responsible for transporting water from roots to the rest of the plant?

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Phloem

Xylem

Cambium

Epidermis

Question 6 of 25

Which part of the flower contains pollen?

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Stigma

Anther

Sepal

Petal

Question 7 of 25

What is the process by which plants lose water vapor through their leaves?

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Transpiration

Respiration

Photosynthesis

Osmosis

Question 8 of 25

Which gas is released by plants during photosynthesis?

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Oxygen

Carbon dioxide

Nitrogen

Methane

Question 9 of 25

What is the main function of flowers in plants?

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Reproduction

Absorbing sunlight

Producing seeds

Storing food

Question 10 of 25

Which type of garden plant usually grows for two years before completing its life cycle?

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Annual

Biennial

Perennial

Succulent

Question 11 of 25

What is the process of growing plants without soil called?

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Hydroponics

Aeroponics

Permaculture

Agroforestry

Question 12 of 25

Which hormone is responsible for the growth of plant stems towards light?

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Auxin

Gibberellin

Cytokinin

Ethylene

Question 13 of 25

Which part of the plant absorbs carbon dioxide from the atmosphere?

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Roots

Stems

Leaves

Flowers

Question 14 of 25

What type of plants are known for storing water in their thick, fleshy leaves or stems?

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Succulents

Grasses

Shrubs

Herbs

Question 15 of 25

What is the outer protective layer of a plant’s seed called?

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Seed coat

Endosperm

Cotyledon

Embryo

Question 16 of 25

What do we call plants that grow, bloom, and die all within one growing season?

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Annual plants

Perennial plants

Biennial plants

Herbaceous plants

Question 17 of 25

Which gardening technique involves planting different crops in close proximity for pest control and pollination?

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Companion planting

Monoculture

Hydroponics

Terracing

Question 18 of 25

Which term refers to plants that survive year after year and regrow every spring?

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Perennials

Annuals

Biennials

Epiphytes

Question 19 of 25

Which soil pH is best suited for most garden plants?

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Acidic (pH 4-5)

Neutral (pH 6-7)

Alkaline (pH 8-9)

Extremely acidic (pH 2-3)

Question 20 of 25

Which method of plant propagation involves taking a cutting and encouraging it to grow roots?

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Grafting

Layering

Cutting

Division

Question 21 of 25

Which plant structure is mainly involved in reproduction and produces seeds?

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Flower

Root

Leaf

Stem

Question 22 of 25

Which gardening practice helps in retaining moisture and reducing weed growth?

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Mulching

Pruning

Fertilizing

Watering

Question 23 of 25

Which type of plant completes its life cycle within two growing seasons?

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Biennial

Perennial

Annual

Deciduous

Question 24 of 25

Which element is most essential for plant growth and is a key component of chlorophyll?

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Nitrogen

Phosphorus

Potassium

Calcium

Question 25 of 25

What do we call a plant that grows on another plant but is not parasitic?

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Epiphyte

Parasite

Host

Saprophyte

Plants and Gardens : Biology

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