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Botany Essentials for Teens

Botany

A collection of factual questions covering plant biology, anatomy, and physiological processes.

biology plants science

15 Questions Medium Ages 13+ Oct 4, 2026

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About this Study Set

This study set covers Botany through 15 practice questions. A collection of factual questions covering plant biology, anatomy, and physiological processes. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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1 Which plant tissue is responsible for transporting water and dissolved minerals from the roots to the leaves?

A Phloem
B Xylem
C Cambium
D Epidermis

2 What is the primary pigment involved in photosynthesis, responsible for absorbing light energy?

A Carotene
B Anthocyanin
C Chlorophyll
D Xanthophyll

3 Which part of a flower develops into a fruit after fertilization?

A Ovary
B Stamen
C Petal
D Sepal

4 What process allows plants to release water vapour into the atmosphere through their stomata?

A Respiration
B Transpiration
C Photosynthesis
D Germination

5 Which group of plants produces seeds enclosed within a fruit?

A Gymnosperms
B Bryophytes
C Angiosperms
D Pteridophytes

6 In plant cells, which organelle is the site of cellular respiration?

A Chloroplast
B Mitochondrion
C Vacuole
D Ribosome

7 What is the main function of root hairs in a plant?

A Photosynthesis
B Support
C Increasing surface area for absorption
D Storage of starch

8 Which hormone is primarily responsible for the ripening of fruits?

A Auxin
B Gibberellin
C Ethylene
D Cytokinin

9 What is the name of the waxy, waterproof layer on the surface of leaves that reduces water loss?

A Cuticle
B Stoma
C Mesophyll
D Petiole

10 Which of these describes a monocot plant?

A Two cotyledons
B Parallel leaf venation
C Taproot system
D Floral parts in multiples of four or five

11 What is the symbiotic relationship between plant roots and fungi called?

A Mycorrhiza
B Rhizobia
C Lichen
D Nitrogen fixation

12 Which mineral element is a central component of the chlorophyll molecule?

A Iron
B Magnesium
C Calcium
D Potassium

13 What term describes the directional growth of a plant in response to light?

A Geotropism
B Thigmotropism
C Phototropism
D Hydrotropism

14 Which plant structure contains the male gametes (pollen grains)?

A Anther
B Ovary
C Style
D Stigma

15 What gas do plants primarily consume from the atmosphere during the light-dependent reactions of photosynthesis?

A Oxygen
B Nitrogen
C Carbon dioxide
D Hydrogen

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