Botany is the branch of Biology that focuses on the study of plants , their structure, functions, growth, reproduction, and role in the environment. This category is curated for school students (Classes 6–12) and undergraduate learners to build strong fundamentals with exam-focused clarity.
In this section, you’ll explore:
Plant morphology, anatomy, and physiology explained step-by-step
Reproduction in plants , development, and life cycles
Cell biology, genetics, and biotechnology concepts related to plants
Ecology and plant diversity with real-world relevance
Important questions, MCQs, diagrams, and revision notes for exams
The content is aligned with NCERT , school boards, and UG syllabi , making it highly useful for school exams, NEET preparation, and college assessments . Concepts are explained in simple language with a focus on understanding, not rote learning.
Build a strong foundation in plant sciences and master Botany with confidence.
Q. What term describes the evolutionary process where two or more species influence each other's evolution?
A.
Co-evolution
B.
Convergent evolution
C.
Divergent evolution
D.
Adaptive radiation
Show solution
Solution
Co-evolution refers to the process where two or more species reciprocally affect each other's evolution.
Correct Answer:
A
— Co-evolution
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Q. What term describes the evolutionary process where unrelated species evolve similar traits?
A.
Convergent evolution
B.
Divergent evolution
C.
Adaptive radiation
D.
Co-evolution
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Solution
Convergent evolution occurs when unrelated species develop similar traits due to similar environmental pressures.
Correct Answer:
A
— Convergent evolution
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Q. What term describes the evolutionary process where unrelated species evolve similar traits due to similar environmental pressures?
A.
Convergent evolution
B.
Divergent evolution
C.
Adaptive radiation
D.
Co-evolution
Show solution
Solution
Convergent evolution occurs when unrelated species develop similar traits as a result of adapting to similar environments.
Correct Answer:
A
— Convergent evolution
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Q. What term describes the evolutionary relationship between different plant species?
A.
Phylogeny
B.
Morphology
C.
Taxonomy
D.
Ecology
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Solution
Phylogeny refers to the evolutionary history and relationships among species.
Correct Answer:
A
— Phylogeny
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Q. What term describes the genetic makeup of an organism?
A.
Phenotype
B.
Genotype
C.
Allele
D.
Chromosome
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Solution
The genotype refers to the specific genetic constitution of an organism, while the phenotype is the observable expression of that genotype.
Correct Answer:
B
— Genotype
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Q. What term describes the process by which two species evolve in response to each other?
A.
Convergent evolution
B.
Divergent evolution
C.
Co-evolution
D.
Adaptive radiation
Show solution
Solution
Co-evolution refers to the process where two or more species influence each other's evolutionary trajectory.
Correct Answer:
C
— Co-evolution
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Q. What type of cell division is responsible for the growth of meristematic tissues?
A.
Mitosis
B.
Meiosis
C.
Binary fission
D.
Fragmentation
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Solution
Meristematic tissues grow through mitosis, allowing for the production of new cells for growth.
Correct Answer:
A
— Mitosis
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Q. What type of cell is responsible for photosynthesis in leaves?
A.
Sclerenchyma
B.
Collenchyma
C.
Chlorenchyma
D.
Meristematic
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Solution
Chlorenchyma cells, which contain chloroplasts, are specialized for photosynthesis.
Correct Answer:
C
— Chlorenchyma
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Q. What type of cells are primarily involved in the storage of starch in plants?
A.
Sclerenchyma
B.
Parenchyma
C.
Collenchyma
D.
Epidermal cells
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Solution
Parenchyma cells are often involved in the storage of starch and other carbohydrates in plants.
Correct Answer:
B
— Parenchyma
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Q. What type of cells are responsible for the flexibility of young stems?
A.
Parenchyma
B.
Collenchyma
C.
Sclerenchyma
D.
Xylem
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Solution
Collenchyma cells provide flexibility and support to young stems and petioles.
Correct Answer:
B
— Collenchyma
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Q. What type of cells are responsible for the protective outer layer of plant organs?
A.
Parenchyma
B.
Collenchyma
C.
Epidermal cells
D.
Sclerenchyma
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Solution
Epidermal cells form the protective outer layer of plant organs, helping to prevent water loss and protect against pathogens.
Correct Answer:
C
— Epidermal cells
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Q. What type of cells are responsible for the secondary growth in plants?
A.
Apical meristem
B.
Lateral meristem
C.
Parenchyma
D.
Epidermal cells
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Solution
Lateral meristem, including vascular cambium and cork cambium, is responsible for secondary growth, increasing the girth of stems and roots.
Correct Answer:
B
— Lateral meristem
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Q. What type of cells are responsible for the transport of nutrients in plants?
A.
Xylem
B.
Phloem
C.
Parenchyma
D.
Collenchyma
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Solution
Phloem cells are responsible for the transport of nutrients, particularly sugars, throughout the plant.
Correct Answer:
B
— Phloem
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Q. What type of cells are responsible for the transport of water in plants?
A.
Phloem cells
B.
Sclerenchyma cells
C.
Xylem cells
D.
Parenchyma cells
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Solution
Xylem cells are specialized for the transport of water and dissolved minerals from the roots to the rest of the plant.
Correct Answer:
C
— Xylem cells
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Q. What type of cells are specialized for water storage in succulent plants?
A.
Collenchyma
B.
Sclerenchyma
C.
Parenchyma
D.
Epidermal cells
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Solution
Parenchyma cells in succulent plants are specialized for water storage due to their large vacuoles.
Correct Answer:
C
— Parenchyma
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Q. What type of cells make up the epidermis of a plant?
A.
Parenchyma cells
B.
Sclerenchyma cells
C.
Epidermal cells
D.
Collenchyma cells
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Solution
The epidermis is primarily composed of epidermal cells, which serve as a protective layer.
Correct Answer:
C
— Epidermal cells
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Q. What type of cells make up the outer layer of plant leaves?
A.
Sclerenchyma
B.
Parenchyma
C.
Epidermal cells
D.
Phloem cells
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Solution
Epidermal cells form the outer protective layer of leaves and help reduce water loss.
Correct Answer:
C
— Epidermal cells
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Q. What type of cells make up the outer layer of plant tissues?
A.
Parenchyma
B.
Epidermal cells
C.
Sclerenchyma
D.
Phloem
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Solution
Epidermal cells form the outer protective layer of plant tissues, serving as a barrier against environmental factors.
Correct Answer:
B
— Epidermal cells
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Q. What type of cells make up the outer protective layer of a plant?
A.
Parenchyma
B.
Collenchyma
C.
Sclerenchyma
D.
Epidermal cells
Show solution
Solution
Epidermal cells form the outer protective layer of the plant, serving as a barrier against environmental damage.
Correct Answer:
D
— Epidermal cells
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Q. What type of cells make up the outer protective layer of plant organs?
A.
Parenchyma
B.
Collenchyma
C.
Sclerenchyma
D.
Epidermal cells
Show solution
Solution
Epidermal cells form the outer protective layer of plant organs, serving as a barrier against environmental factors.
Correct Answer:
D
— Epidermal cells
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Q. What type of fruit develops from a single ovary of a single flower?
A.
Aggregate fruit
B.
Multiple fruit
C.
Simple fruit
D.
Accessory fruit
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Solution
A simple fruit develops from a single ovary of a single flower and can be either fleshy or dry.
Correct Answer:
C
— Simple fruit
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Q. What type of fruit develops from a single ovary?
A.
Aggregate fruit
B.
Multiple fruit
C.
Simple fruit
D.
Accessory fruit
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Solution
A simple fruit develops from a single ovary of a single flower, containing one or more seeds.
Correct Answer:
C
— Simple fruit
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Q. What type of inheritance pattern is observed in incomplete dominance?
A.
One allele completely masks another
B.
Both alleles are expressed equally
C.
One allele is dominant over the other
D.
Traits blend together in the phenotype
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Solution
In incomplete dominance, the phenotype of heterozygous individuals is a blend of the two parental traits.
Correct Answer:
D
— Traits blend together in the phenotype
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Q. What type of leaf arrangement is characterized by leaves that grow in pairs on opposite sides of the stem?
A.
Alternate
B.
Whorled
C.
Opposite
D.
Rosette
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Solution
Opposite leaf arrangement features pairs of leaves growing directly across from each other on the stem.
Correct Answer:
C
— Opposite
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Q. What type of meristem is responsible for secondary growth in plants?
A.
Apical meristem
B.
Lateral meristem
C.
Intercalary meristem
D.
Primary meristem
Show solution
Solution
Lateral meristem, including the vascular cambium and cork cambium, is responsible for secondary growth, increasing the girth of stems and roots.
Correct Answer:
B
— Lateral meristem
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Q. What type of plant cell is dead at maturity and provides rigid support?
A.
Parenchyma
B.
Collenchyma
C.
Sclerenchyma
D.
Meristematic
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Solution
Sclerenchyma cells are dead at maturity and provide structural support due to their thick, lignified walls.
Correct Answer:
C
— Sclerenchyma
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Q. What type of plant cell is specialized for water storage?
A.
Sclerenchyma
B.
Collenchyma
C.
Parenchyma
D.
Epidermal cells
Show solution
Solution
Parenchyma cells can store water and nutrients, making them essential for plant hydration and metabolism.
Correct Answer:
C
— Parenchyma
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Q. What type of plant is characterized by having a life cycle that includes both a haploid and diploid phase?
A.
Monocots
B.
Dicots
C.
Haploid plants
D.
Alternating generations
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Solution
Plants with alternating generations have a life cycle that includes both haploid (gametophyte) and diploid (sporophyte) phases.
Correct Answer:
D
— Alternating generations
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Q. What type of plant is characterized by having flowers and fruits?
A.
Angiosperms
B.
Gymnosperms
C.
Ferns
D.
Mosses
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Solution
Angiosperms are flowering plants that produce seeds enclosed within a fruit.
Correct Answer:
A
— Angiosperms
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Q. What type of plant is characterized by having flowers and producing fruits?
A.
Angiosperms
B.
Gymnosperms
C.
Ferns
D.
Mosses
Show solution
Solution
Angiosperms are flowering plants that produce fruits containing seeds.
Correct Answer:
A
— Angiosperms
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