Biology · Science General
Botany and Plant Science
5,038 Questions
Botany and plant science delve into the biological study of plant life, covering structural anatomy, physiological processes, and reproductive mechanisms. Key topics include inflorescence patterns, root modifications, and seed development, which are vital for biology sections in medical entrance exams. This collection of practice questions helps solidify understanding of complex plant functions.
Plant ReproductionPlant AnatomyRoot ModificationsInflorescence PatternsPlant Morphology
Botany and Plant Science Questions
C
Correct answer
Explanation
The lotus (Nelumbo nucifera) is India's national flower, declared in 1950. It holds significant cultural and religious importance in Indian traditions, symbolizing purity, divinity, and spiritual enlightenment.
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Wolflia
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Rufleshia
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Sunflower
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Malaysia
B
Correct answer
Explanation
Rafflesia (spelled 'Rufleshia' here) is the largest flower in the world, growing up to 1 meter in diameter. It's a parasitic plant found in Southeast Asian rainforests. Wolffia (option A, misspelled as 'Wolflia') is actually the smallest flowering plant, and sunflowers, while large, are not as large as Rafflesia. Malaysia is a country, not a flower.
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Rufleshia
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Wolfia
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Sunflower
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Malysia
A
Correct answer
Explanation
Rafflesia (spelled 'Rufleshia' here) is the largest flower in the world, reaching up to 1 meter in diameter and weighing up to 11 kg. It's a parasitic plant with no leaves, stems, or roots. Wolfia (option B, spelled 'Wolfia' here - should be 'Wolffia') is actually the smallest flowering plant.
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Rose
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Lotus
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Jasmine
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Sunflower
B
Correct answer
Explanation
The Lotus (Nelumbo nucifera) is the National Flower of India, designated as such in 1950. It holds sacred significance in Hindu and Buddhist traditions, symbolizing purity, beauty, and spiritual awakening. Rose, Jasmine, and Sunflower, while commonly grown in India, do not hold the official national flower status.
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Summer & Autumn
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Winter & Spring
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Autumn & Winter
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Spring & Summer
D
Correct answer
Explanation
Rhubarb typically sends up flower stalks in late spring to early summer. Gardeners usually remove these flowers to direct the plant's energy into producing edible stalks rather than seeds.
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Rose
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Jasmine
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Lotus
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Hibiscus
C
Correct answer
Explanation
The lotus is India's national flower, symbolizing purity, beauty, and spiritual awakening in Indian culture. It holds sacred significance in Hinduism and Buddhism, representing divine birth and enlightenment, as it blooms pristine even in muddy waters.
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Changing Rose
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Red Hibiscus
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Jasmine
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Amaltas
D
Correct answer
Explanation
Amaltas (Golden Shower tree, Cassia fistula) is the official state flower of Kerala. The tree produces beautiful yellow flower clusters and is significant in Kerala's cultural and traditional context. The Red Hibiscus is Hawaii's state flower, while Jasmine is the national flower of Pakistan.
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Bloomin’ Bertha
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Orangutan’s umbrella
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Raffleswort
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Stinking corpse flower
D
Correct answer
Explanation
Rafflesia arnoldii is commonly called the "stinking corpse lily" or "corpse flower" because it emits a strong odor of decaying flesh to attract carrion flies for pollination. It's the largest individual flower, measuring up to 3 feet across.
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It dies if touched
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It causes an itchy rash
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It leaves an almost indelible stain
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Its seed pods explode on contact
D
Correct answer
Explanation
Touch-me-not (Impatiens capensis) gets its name from its explosive seed pods which burst open when touched, scattering seeds several feet. This seed dispersal mechanism is why it's called "touch-me-not" - not because it's dangerous to touch.
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The bloom is completely enclosed inside a host plant
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It disguises itself as a beetle
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It grows only on rocky mountain peaks
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The plant rarely flowers
D
Correct answer
Explanation
Wolffia (duckweed) rarely flowers because it primarily reproduces vegetatively through budding. The plant itself is barely visible to the naked eye at about 1mm across, and when it does flower, the blooms are microscopic and enclosed.
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Cornflower
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Lily
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Bougenvilla
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Chrysanthemum
D
Correct answer
Explanation
The Chrysanthemum is Japan's national flower and appears on the Imperial Seal of Japan. The cornflower is associated with Germany, the lily has various symbolic meanings (France's fleur-de-lis is a stylized lily), and bougainvillea has no specific national emblem status.
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Rose
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Lotus
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Maple
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Cornflower
A
Correct answer
Explanation
The Tudor Rose is the floral emblem of England and the United Kingdom, combining the red rose of Lancaster and white rose of York. The lotus is associated with India and Egypt, the maple leaf is Canada's emblem, and the cornflower is Germany's national flower.
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Lotus
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Lilly
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Rose
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Marygold
C
Correct answer
Explanation
The rose is the national flower of Britain (United Kingdom). The rose has been a symbol of England since the Wars of the Roses in the 15th century and remains an important floral emblem in British culture and symbolism.
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Rosa gallica
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Rosa chinensis
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Rosa laevigata
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Chino Rosa
B
Correct answer
Explanation
China Rose is botanically known as Rosa chinensis, where 'chinensis' means 'from China' in Latin. This species is native to Southwest China and is the ancestor of many modern hybrid roses. The other options are different rose species: R. gallica (French rose), R. laevigata (Cherokee rose), and 'Chino Rosa' (not a valid botanical name).
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Modified bark
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Modified leaves
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Modified tissues
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Modified fruits