orchid-quiz

Orchid Quiz

by torp.tinaPublished: July 20, 2025

Orchids, with their intricate blooms and diverse species, have captivated botanists and flower enthusiasts for centuries. This quiz will take you through the fascinating details of orchid biology, their unique adaptations, and their incredible diversity. Whether you’re a seasoned orchid grower or just starting to appreciate these stunning plants, this quiz is designed to test and expand your knowledge. Get ready to immerse yourself in the enchanting world of orchids and see how much you really know!
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Orchid Quiz
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1. What is the largest family of flowering plants?
Hint: It includes orchids.

Orchid Quiz Questions Overview

1. What is the largest family of flowering plants?

Asteraceae
Orchidaceae
Rosaceae
Fabaceae

2. Which part of the orchid flower is often modified to attract pollinators?

Petals
Sepals
Lip (Labellum)
Stamen

3. What is the primary method of pollination for most orchids?

Wind
Water
Insects
Birds

4. Which orchid species is known for its vanilla flavoring?

Phalaenopsis
Cattleya
Vanilla planifolia
Dendrobium

5. What is the term for orchids that grow on other plants?

Terrestrial
Epiphytic
Lithophytic
Aquatic

6. Which continent is home to the greatest diversity of orchid species?

Africa
Asia
South America
Australia

7. What is the main reason orchids are considered difficult to grow?

They need a lot of sunlight
They require specific humidity levels
They grow too quickly
They need a lot of water

8. Which orchid is known for its ability to bloom multiple times a year?

Cattleya
Phalaenopsis
Dendrobium
Oncidium

9. What is the term for the underground storage organ of some orchids?

Rhizome
Corm
Tuber
Bulb

10. Which orchid is often called the ‘Queen of Orchids’?

Phalaenopsis
Cattleya
Dendrobium
Oncidium

11. What is the primary habitat of most orchids?

Deserts
Rainforests
Grasslands
Mountains

12. Which part of the orchid is typically used for propagation?

Flowers
Leaves
Roots
Seeds

13. What is the main function of the pseudobulb in orchids?

Photosynthesis
Water storage
Reproduction
Pollination

14. Which orchid species is known for its ability to mimic the appearance of female insects?

Phalaenopsis
Ophrys
Cattleya
Dendrobium

15. What is the primary purpose of the orchid’s fragrance?

Attracting pollinators
Repelling herbivores
Photosynthesis
Water storage

16. Which orchid species is known for its long-lasting flowers?

Phalaenopsis
Cattleya
Dendrobium
Oncidium

17. What is the main threat to wild orchid populations?

Climate change
Over-collection
Pests
Disease

18. Which orchid is known for its medicinal properties in traditional Chinese medicine?

Phalaenopsis
Dendrobium
Cattleya
Oncidium

19. What is the term for the symbiotic relationship between orchids and fungi?

Parasitism
Commensalism
Mycorrhiza
Predation

20. Which orchid species is known for its ability to grow in cold climates?

Phalaenopsis
Cattleya
Cypripedium
Dendrobium
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