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 a benefit of using genetically modified organisms (GMOs) in plant reproduction?
A.
Increased genetic diversity
B.
Enhanced resistance to pests and diseases
C.
Slower growth rates
D.
Reduced crop yields
Show solution
Solution
GMOs can be engineered to have enhanced traits, such as pest resistance, which can lead to higher crop yields and reduced reliance on chemical pesticides.
Correct Answer:
B
— Enhanced resistance to pests and diseases
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Q. Which of the following is a benefit of using microbes in bioremediation?
A.
They increase soil erosion
B.
They can degrade pollutants
C.
They promote invasive species
D.
They reduce biodiversity
Show solution
Solution
Microbes used in bioremediation can degrade pollutants, helping to clean up contaminated environments.
Correct Answer:
B
— They can degrade pollutants
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Q. Which of the following is a benefit of using microbes in composting?
A.
They increase greenhouse gas emissions
B.
They speed up the decomposition process
C.
They reduce soil fertility
D.
They promote weed growth
Show solution
Solution
Microbes in composting break down organic matter quickly, speeding up the decomposition process and producing nutrient-rich compost.
Correct Answer:
B
— They speed up the decomposition process
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Q. Which of the following is a benefit of using microbial inoculants in agriculture?
A.
Increased soil erosion
B.
Enhanced plant growth
C.
Reduced biodiversity
D.
Increased water usage
Show solution
Solution
Microbial inoculants can enhance plant growth by improving nutrient availability and soil health.
Correct Answer:
B
— Enhanced plant growth
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Q. Which of the following is a benefit of using probiotics in agriculture?
A.
They increase crop yield
B.
They reduce soil pH
C.
They promote pest resistance
D.
They enhance nutrient uptake
Show solution
Solution
Probiotics can enhance crop yield by improving soil health and plant growth.
Correct Answer:
A
— They increase crop yield
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Q. Which of the following is a benefit of using tissue culture in plant biotechnology?
A.
Increased genetic diversity
B.
Rapid propagation of disease-free plants
C.
Improved soil quality
D.
Enhanced photosynthesis
Show solution
Solution
Tissue culture allows for the rapid propagation of disease-free plants, ensuring healthy stock.
Correct Answer:
B
— Rapid propagation of disease-free plants
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Q. Which of the following is a benefit of using tissue culture in plant propagation?
A.
Increased genetic diversity
B.
Faster growth rates
C.
Production of disease-free plants
D.
Lower production costs
Show solution
Solution
Tissue culture allows for the production of disease-free plants, which is a significant benefit in plant propagation.
Correct Answer:
C
— Production of disease-free plants
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Q. Which of the following is a benefit of using transgenic plants?
A.
Increased susceptibility to pests
B.
Higher yield under stress conditions
C.
Reduced photosynthesis
D.
Lower resistance to diseases
Show solution
Solution
Transgenic plants can be engineered to have higher yields, especially under stress conditions such as drought or salinity.
Correct Answer:
B
— Higher yield under stress conditions
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Q. Which of the following is a benefit of vegetative propagation?
A.
Increased genetic variation
B.
Faster reproduction
C.
Dependence on pollinators
D.
Higher seed production
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Solution
Vegetative propagation allows for faster reproduction as it does not rely on the slower process of seed formation.
Correct Answer:
B
— Faster reproduction
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Q. Which of the following is a byproduct of aerobic respiration in plants?
A.
Oxygen
B.
Glucose
C.
Carbon dioxide
D.
Water
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Solution
Carbon dioxide is a byproduct of aerobic respiration, released when glucose is oxidized.
Correct Answer:
C
— Carbon dioxide
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Q. Which of the following is a byproduct of respiration in plants?
A.
Oxygen
B.
Glucose
C.
Carbon dioxide
D.
Starch
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Solution
Carbon dioxide is a byproduct of respiration, released when glucose is broken down for energy.
Correct Answer:
C
— Carbon dioxide
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Q. Which of the following is a characteristic feature of angiosperms?
A.
Naked seeds
B.
Flowers and fruits
C.
Vascular tissue
D.
Spores
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Solution
Angiosperms are characterized by the presence of flowers and fruits, which aid in reproduction.
Correct Answer:
B
— Flowers and fruits
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Q. Which of the following is a characteristic feature of dicotyledons?
A.
Single seed leaf
B.
Parallel leaf venation
C.
Vascular bundles in a ring
D.
Fibrous root system
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Solution
Dicotyledons typically have vascular bundles arranged in a ring and two seed leaves (cotyledons).
Correct Answer:
C
— Vascular bundles in a ring
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Q. Which of the following is a characteristic feature of gymnosperms?
A.
Flowers
B.
Fruits
C.
Naked seeds
D.
Broad leaves
Show solution
Solution
Gymnosperms are known for having naked seeds, which are not enclosed in an ovary.
Correct Answer:
C
— Naked seeds
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Q. Which of the following is a characteristic feature of monocots?
A.
Two seed leaves
B.
Parallel leaf venation
C.
Woody stems
D.
Taproot system
Show solution
Solution
Monocots, such as grasses, are characterized by parallel leaf venation and typically have one seed leaf.
Correct Answer:
B
— Parallel leaf venation
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Q. Which of the following is a characteristic feature of monocotyledons?
A.
Two seed leaves
B.
Parallel leaf venation
C.
Vascular bundles in a ring
D.
Taproot system
Show solution
Solution
Monocots are characterized by having one seed leaf (cotyledon) and typically exhibit parallel venation in their leaves.
Correct Answer:
B
— Parallel leaf venation
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Q. Which of the following is a characteristic feature of the Angiosperms?
A.
Presence of seeds
B.
Production of flowers
C.
Presence of vascular tissue
D.
Ability to photosynthesize
Show solution
Solution
Angiosperms are defined by their ability to produce flowers, which are key to their reproductive process.
Correct Answer:
B
— Production of flowers
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Q. Which of the following is a characteristic of a dominant allele?
A.
It is always expressed in the phenotype
B.
It can be masked by a recessive allele
C.
It is only expressed in homozygous conditions
D.
It is less common in a population
Show solution
Solution
A dominant allele is expressed in the phenotype even when only one copy is present, masking the effect of a recessive allele.
Correct Answer:
A
— It is always expressed in the phenotype
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Q. Which of the following is a characteristic of angiosperms?
A.
Seedless
B.
Naked seeds
C.
Flowers and fruits
D.
Vascular tissue
Show solution
Solution
Angiosperms are characterized by the presence of flowers and fruits, which aid in reproduction and seed dispersal.
Correct Answer:
C
— Flowers and fruits
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Q. Which of the following is a characteristic of biennial plants?
A.
Complete life cycle in one year
B.
Live for more than two years
C.
Require two growing seasons to complete life cycle
D.
Only reproduce once
Show solution
Solution
Biennial plants require two growing seasons to complete their life cycle, typically flowering in the second year.
Correct Answer:
C
— Require two growing seasons to complete life cycle
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Q. Which of the following is a characteristic of dicot plants?
A.
Parallel leaf venation
B.
Vascular bundles scattered
C.
Two seed leaves
D.
Fibrous root system
Show solution
Solution
Dicot plants are characterized by having two seed leaves.
Correct Answer:
C
— Two seed leaves
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Q. Which of the following is a characteristic of dioecious plants?
A.
Both male and female reproductive organs are present on the same plant
B.
Plants have separate male and female individuals
C.
They reproduce only asexually
D.
They do not produce flowers
Show solution
Solution
Dioecious plants have separate male and female individuals, each producing their respective gametes.
Correct Answer:
B
— Plants have separate male and female individuals
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Q. Which of the following is a characteristic of gymnosperms?
A.
Flowers
B.
Fruits
C.
Naked seeds
D.
Broad leaves
Show solution
Solution
Gymnosperms are known for having naked seeds, unlike angiosperms which have seeds enclosed in fruits.
Correct Answer:
C
— Naked seeds
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Q. Which of the following is a characteristic of monocot plants?
A.
Broad leaves
B.
Net-like leaf venation
C.
Flower parts in multiples of four or five
D.
Parallel leaf venation
Show solution
Solution
Monocots typically have parallel leaf venation, unlike dicots which have net-like venation.
Correct Answer:
D
— Parallel leaf venation
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Q. Which of the following is a characteristic of monocots?
A.
Two seed leaves
B.
Parallel leaf venation
C.
Woody stems
D.
Taproot system
Show solution
Solution
Monocots are characterized by having parallel leaf venation and one seed leaf (cotyledon).
Correct Answer:
B
— Parallel leaf venation
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Q. Which of the following is a characteristic of monocotyledonous plants?
A.
Two seed leaves
B.
Parallel leaf venation
C.
Woody stems
D.
Taproot system
Show solution
Solution
Monocotyledonous plants typically have parallel leaf venation, distinguishing them from dicots which usually have net-like venation.
Correct Answer:
B
— Parallel leaf venation
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Q. Which of the following is a characteristic of monocotyledons?
A.
Two seed leaves
B.
Parallel leaf venation
C.
Woody stems
D.
Taproot system
Show solution
Solution
Monocotyledons, or monocots, typically have parallel leaf venation and one seed leaf.
Correct Answer:
B
— Parallel leaf venation
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Q. Which of the following is a characteristic of rhizobia?
A.
They are aerobic bacteria
B.
They form nodules on plant roots
C.
They are pathogenic to plants
D.
They are unicellular fungi
Show solution
Solution
Rhizobia are bacteria that form symbiotic nodules on the roots of leguminous plants, facilitating nitrogen fixation.
Correct Answer:
B
— They form nodules on plant roots
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Q. Which of the following is a characteristic of sclerenchyma cells?
A.
Living at maturity
B.
Thick secondary walls
C.
Flexible structure
D.
Photosynthetic
Show solution
Solution
Sclerenchyma cells have thick secondary walls and are typically dead at maturity, providing structural support.
Correct Answer:
B
— Thick secondary walls
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Q. Which of the following is a characteristic of self-pollinating plants?
A.
Require pollinators
B.
Have perfect flowers
C.
Produce fewer seeds
D.
Depend on wind
Show solution
Solution
Self-pollinating plants typically have perfect flowers, meaning they contain both male and female reproductive structures, allowing them to fertilize themselves.
Correct Answer:
B
— Have perfect flowers
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