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. Which of the following is the largest group of flowering plants?
A.
Monocots
B.
Dicots
C.
Gymnosperms
D.
Ferns
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Solution
Monocots are the largest group of flowering plants.
Correct Answer:
A
— Monocots
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Q. Which of the following microbes is commonly used in the production of yogurt?
A.
Lactobacillus
B.
Escherichia coli
C.
Bacillus subtilis
D.
Saccharomyces cerevisiae
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Solution
Lactobacillus is a genus of bacteria that ferments lactose to produce lactic acid, which is essential in yogurt production.
Correct Answer:
A
— Lactobacillus
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Q. Which of the following microbes is essential for the fermentation process in bread making?
A.
Yeast
B.
Mold
C.
Bacteria
D.
Virus
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Solution
Yeast, particularly Saccharomyces cerevisiae, ferments sugars to produce carbon dioxide, causing the bread to rise.
Correct Answer:
A
— Yeast
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Q. Which of the following microbes is used in the production of vinegar?
A.
Lactobacillus
B.
Acetobacter
C.
Bacillus
D.
Clostridium
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Solution
Acetobacter is a genus of bacteria that converts ethanol into acetic acid, the main component of vinegar.
Correct Answer:
B
— Acetobacter
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Q. Which of the following plant groups is characterized by having seeds that are not enclosed in an ovary?
A.
Angiosperms
B.
Gymnosperms
C.
Bryophytes
D.
Pteridophytes
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Solution
Gymnosperms are characterized by having seeds that are exposed or not enclosed within an ovary.
Correct Answer:
B
— Gymnosperms
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Q. Which of the following plant groups is characterized by the presence of vascular tissue?
A.
Bryophytes
B.
Pteridophytes
C.
Mosses
D.
Liverworts
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Solution
Pteridophytes, such as ferns, have vascular tissue, which allows for the transport of water and nutrients.
Correct Answer:
B
— Pteridophytes
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Q. Which of the following plant groups is known for having a dominant sporophyte generation?
A.
Mosses
B.
Ferns
C.
Liverworts
D.
Green algae
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Solution
Ferns have a dominant sporophyte generation, which is the leafy part of the plant that produces spores.
Correct Answer:
B
— Ferns
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Q. Which of the following plant groups is known for having true roots, stems, and leaves?
A.
Mosses
B.
Ferns
C.
Liverworts
D.
Algae
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Solution
Ferns are vascular plants that possess true roots, stems, and leaves, distinguishing them from non-vascular plants like mosses and liverworts.
Correct Answer:
B
— Ferns
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Q. Which of the following plant groups is known for having vascular tissue?
A.
Mosses
B.
Liverworts
C.
Ferns
D.
Algae
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Solution
Ferns are vascular plants, which means they have specialized tissues for transporting water and nutrients.
Correct Answer:
C
— Ferns
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Q. Which of the following plant groups is known for its ability to survive in extreme environments?
A.
Angiosperms
B.
Gymnosperms
C.
Bryophytes
D.
Xerophytes
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Solution
Xerophytes are specialized plants that can survive in extreme environments, such as deserts.
Correct Answer:
D
— Xerophytes
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Q. Which of the following plant groups is primarily adapted to dry environments?
A.
Hydrophytes
B.
Xerophytes
C.
Mesophytes
D.
Halophytes
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Solution
Xerophytes are plants that have adapted to survive in dry environments, often featuring specialized structures to conserve water.
Correct Answer:
B
— Xerophytes
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Q. Which of the following plant groups is primarily aquatic?
A.
Mosses
B.
Liverworts
C.
Algae
D.
Ferns
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Solution
Algae are primarily aquatic and can be found in various water bodies, unlike the other groups listed.
Correct Answer:
C
— Algae
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Q. Which of the following plant groups is primarily non-vascular?
A.
Ferns
B.
Mosses
C.
Gymnosperms
D.
Angiosperms
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Solution
Mosses are non-vascular plants, meaning they lack specialized tissues for water and nutrient transport.
Correct Answer:
B
— Mosses
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Q. Which of the following plant hormones is primarily responsible for promoting cell elongation?
A.
Auxins
B.
Gibberellins
C.
Cytokinins
D.
Ethylene
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Solution
Gibberellins are known to promote cell elongation and are important for growth.
Correct Answer:
B
— Gibberellins
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Q. Which of the following plant structures is most directly involved in the process of evolution through adaptation?
A.
Roots
B.
Leaves
C.
Flowers
D.
Stems
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Solution
Flowers are directly involved in reproduction and can adapt to attract specific pollinators, influencing evolutionary outcomes.
Correct Answer:
C
— Flowers
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Q. Which of the following plant types is non-vascular?
A.
Ferns
B.
Mosses
C.
Conifers
D.
Flowering plants
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Solution
Mosses are non-vascular plants that do not have specialized tissues for water and nutrient transport.
Correct Answer:
B
— Mosses
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Q. Which of the following plants is known for its unique method of apomixis?
A.
Dandelion
B.
Oak tree
C.
Rose
D.
Cactus
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Solution
Dandelions can reproduce through apomixis, where seeds are produced without fertilization, resulting in offspring that are genetically identical to the parent.
Correct Answer:
A
— Dandelion
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Q. Which of the following processes can lead to speciation in plants?
A.
Polyploidy
B.
Hybridization
C.
Geographic isolation
D.
All of the above
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Solution
All of the above processes can lead to speciation in plants, contributing to biodiversity.
Correct Answer:
D
— All of the above
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Q. Which of the following processes can lead to the formation of new plant species?
A.
Hybridization
B.
Cloning
C.
Asexual reproduction
D.
All of the above
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Solution
Hybridization can lead to the formation of new species by combining genetic material from different parent species.
Correct Answer:
A
— Hybridization
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Q. Which of the following processes increases genetic variation in plant populations?
A.
Asexual reproduction
B.
Cloning
C.
Cross-pollination
D.
Vegetative propagation
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Solution
Cross-pollination introduces genetic variation by combining genetic material from different parent plants.
Correct Answer:
C
— Cross-pollination
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Q. Which of the following processes is essential for the formation of seedless fruits?
A.
Pollination
B.
Fertilization
C.
Parthenocarpy
D.
Germination
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Solution
Parthenocarpy is the process that leads to the development of seedless fruits without fertilization.
Correct Answer:
C
— Parthenocarpy
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Q. Which of the following processes is involved in the asexual reproduction of plants?
A.
Pollination
B.
Grafting
C.
Seed dispersal
D.
Fertilization
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Solution
Grafting is a method of asexual reproduction where tissues from one plant are joined with those of another.
Correct Answer:
B
— Grafting
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Q. Which of the following processes occurs during plant respiration?
A.
Photosynthesis
B.
Glycolysis
C.
Transpiration
D.
Nitrogen fixation
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Solution
Glycolysis is a key process that occurs during respiration, breaking down glucose to release energy.
Correct Answer:
B
— Glycolysis
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Q. Which of the following statements about the dark reactions is true?
A.
They require light directly
B.
They occur in the stroma
C.
They produce oxygen
D.
They are independent of temperature
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Solution
The dark reactions, or Calvin cycle, occur in the stroma of the chloroplast and do not require light directly.
Correct Answer:
B
— They occur in the stroma
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Q. Which of the following statements about the light reactions is true?
A.
They occur in the stroma
B.
They do not require light
C.
They produce ATP and NADPH
D.
They fix carbon dioxide
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Solution
The light reactions produce ATP and NADPH, which are used in the Calvin cycle.
Correct Answer:
C
— They produce ATP and NADPH
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Q. Which of the following statements about the light-dependent reactions is true?
A.
They occur in the stroma
B.
They produce ATP and NADPH
C.
They do not require light
D.
They fix carbon dioxide
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Solution
The light-dependent reactions produce ATP and NADPH.
Correct Answer:
B
— They produce ATP and NADPH
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Q. Which of the following statements about the light-independent reactions is true?
A.
They require light directly
B.
They occur in the thylakoid membranes
C.
They produce glucose
D.
They release oxygen
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Solution
The light-independent reactions, also known as the Calvin cycle, produce glucose using ATP and NADPH generated in the light-dependent reactions.
Correct Answer:
C
— They produce glucose
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Q. Which of the following structures is responsible for the production of male gametes in flowering plants?
A.
Stigma
B.
Anther
C.
Style
D.
Ovary
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Solution
The anther is the part of the stamen that produces pollen, which contains male gametes.
Correct Answer:
B
— Anther
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Q. Which of the following tissues is primarily involved in the storage of water in succulent plants?
A.
Xylem
B.
Phloem
C.
Parenchyma
D.
Sclerenchyma
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Solution
Parenchyma tissue in succulent plants is specialized for water storage, allowing them to survive in arid conditions.
Correct Answer:
C
— Parenchyma
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Q. Which of the following tissues is primarily involved in the transport of hormones in plants?
A.
Xylem
B.
Phloem
C.
Parenchyma
D.
Sclerenchyma
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Solution
Phloem is involved in the transport of hormones, nutrients, and other organic compounds throughout the plant.
Correct Answer:
B
— Phloem
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