Biology
Plant Biology and Classification
1,796 Questions
Plant Biology and Classification deals with the taxonomy, evolution, and morphological features of the plant kingdom. This collection offers practice questions on plant groups, taxonomic hierarchies, and specific plant characteristics. The questions are tailored for students preparing for biology competitive exams.
Plant taxonomyPteridophytesAngiospermsPlant morphologyAlgae and bryophytesClassification systems
Plant Biology and Classification Questions
Which lichen species is commonly known as 'Lungwort Lichen'?
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Lobaria pulmonaria
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Cladonia rangiferina
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Xanthoria parietina
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Parmelia sulcata
A
Correct answer
Explanation
Lobaria pulmonaria, also known as 'Lungwort Lichen,' is a foliose lichen characterized by its large, lobed thallus and intricate patterns on its surface.
Which lichen species is commonly known as 'Reindeer Lichen'?
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Cladonia rangiferina
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Xanthoria parietina
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Lobaria pulmonaria
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Parmelia sulcata
A
Correct answer
Explanation
Cladonia rangiferina, also known as 'Reindeer Lichen,' is a fruticose lichen that serves as a primary food source for reindeer and caribou in Arctic and subarctic regions.
What is the scientific name of the plant from which sugar is extracted?
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Saccharum officinarum
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Beta vulgaris
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Stevia rebaudiana
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Aspartame
A
Correct answer
Explanation
Sugarcane, scientifically known as Saccharum officinarum, is the primary plant from which sugar is extracted.
Which sweetener is derived from the leaves of the stevia plant?
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Sucralose
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Aspartame
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Saccharin
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Stevia
D
Correct answer
Explanation
Stevia is a natural sweetener derived from the leaves of the stevia plant, known for its intense sweetness and low-calorie content.
Which sweetener is derived from the leaves of the monk fruit?
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Sucralose
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Aspartame
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Monk fruit extract
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Saccharin
C
Correct answer
Explanation
Monk fruit extract is a natural sweetener derived from the leaves of the monk fruit, known for its intense sweetness and low-calorie content.
Which sweetener is derived from the root of the chicory plant?
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Sucralose
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Aspartame
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Inulin
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Saccharin
C
Correct answer
Explanation
Inulin, a natural sweetener, is derived from the root of the chicory plant and is known for its prebiotic properties.
Which of the following is the primary function of the fruit in plants?
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Protecting the seeds
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Dispersing the seeds
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Storing food and energy
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Producing flowers
A
Correct answer
Explanation
The primary function of the fruit in plants is to protect the seeds. It also helps to disperse the seeds and attract animals to eat the fruit, which helps to spread the seeds.
Which of the following is a type of Himalayan rhododendron?
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Rhododendron campanulatum
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Rhododendron arboreum
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Rhododendron falconeri
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Rhododendron nivale
Correct answer
Explanation
All of the options are types of Himalayan rhododendrons.
Which of the following is a type of Himalayan orchid?
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Cypripedium himalaicum
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Dendrobium densiflorum
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Habenaria edgeworthii
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Pleione bulbocodioides
Correct answer
Explanation
All of the options are types of Himalayan orchids.
What are the key factors that affect egg production in hens?
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Breed and genetics
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Nutrition and diet
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Housing and management
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Health and disease
Correct answer
Explanation
Egg production in hens is influenced by a combination of factors, including breed and genetics, nutrition and diet, housing and management, and health and disease.
Which of the following is a type of freshwater plant that is known for its ability to tolerate low light conditions?
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Watercress
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Hornwort
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Elodea
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Water Lily
B
Correct answer
Explanation
Hornwort is a submerged aquatic plant that is known for its ability to tolerate low light conditions. It is often found in ponds, lakes, and slow-moving rivers.
Which of the following is a type of freshwater plant that is known for its ability to grow in shallow water or on mudflats?
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Cattail
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Bulrush
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Water Hyacinth
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Duckweed
A
Correct answer
Explanation
Cattail is a type of freshwater plant that is known for its ability to grow in shallow water or on mudflats. It is often found in marshes, swamps, and along the edges of ponds and lakes.
Which of the following is a non-vascular plant?
B
Correct answer
Explanation
Mosses are non-vascular plants that lack specialized tissues for transporting water and nutrients. They absorb water and nutrients directly from the environment through their leaves and stems.
Which of the following is an angiosperm?
D
Correct answer
Explanation
Angiosperms are seed plants that produce flowers and fruits. Roses are angiosperms that produce flowers and rose hips, which contain seeds.
What is the largest group of plants on Earth?
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Angiosperms
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Gymnosperms
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Bryophytes
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Pteridophytes
A
Correct answer
Explanation
Angiosperms are the largest group of plants on Earth, with over 250,000 known species. They include flowering plants such as roses, sunflowers, and daisies.