Biology is the science of life — from the tiniest cell to the most complex human systems. This category is designed to support school students (Classes 6–12) as well as undergraduate (UG) learners with clear explanations, exam-focused content, and concept-building resources. You’ll find:
Concept-wise explanations aligned with NCERT and common UG syllabi
Important questions & answers for school exams, NEET foundation, and college tests
Human physiology, genetics, ecology, biotechnology, and cell biology explained simply
Practice questions, MCQs, and revision notes to strengthen understanding
Doubt-solving and conceptual clarity for competitive and academic success
Whether you’re preparing for school exams , building a strong base for NEET , or studying Biology at the undergraduate level , this section helps you learn smarter, revise faster, and understand Biology deeply — not just memorize it.
Learn life sciences the right way — clear concepts, exam relevance, and real understanding.
Q. Which type of plant is characterized by having both male and female reproductive structures?
A.
Dioecious
B.
Monoecious
C.
Hermaphroditic
D.
Unisexual
Show solution
Solution
Monoecious plants have both male and female reproductive structures on the same individual.
Correct Answer:
B
— Monoecious
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Q. Which type of plant is characterized by having seeds enclosed in a fruit?
A.
Gymnosperms
B.
Angiosperms
C.
Ferns
D.
Mosses
Show solution
Solution
Angiosperms are characterized by having seeds enclosed within a fruit.
Correct Answer:
B
— Angiosperms
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Q. Which type of plant is characterized by having seeds enclosed in fruits?
A.
Gymnosperms
B.
Angiosperms
C.
Ferns
D.
Mosses
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Solution
Angiosperms are characterized by having seeds enclosed in fruits, which aid in seed dispersal.
Correct Answer:
B
— Angiosperms
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Q. Which type of plant is known for producing compounds that can act as natural antibiotics?
A.
Fungi
B.
Algae
C.
Herbs
D.
Grasses
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Solution
Many herbs, such as garlic and oregano, produce compounds with natural antibiotic properties.
Correct Answer:
C
— Herbs
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Q. Which type of plant is most efficient at photosynthesis in hot, dry environments?
A.
C3 plants
B.
C4 plants
C.
CAM plants
D.
All of the above
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Solution
CAM plants are adapted to conserve water and are efficient in hot, dry environments.
Correct Answer:
C
— CAM plants
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Q. Which type of plant is most efficient at photosynthesis under low light conditions?
A.
C3 plants
B.
C4 plants
C.
CAM plants
D.
Hydrophytes
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Solution
CAM plants are adapted to photosynthesize efficiently in low light and arid conditions.
Correct Answer:
C
— CAM plants
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Q. Which type of plant reproduction involves the formation of seeds?
A.
Asexual reproduction
B.
Vegetative propagation
C.
Sexual reproduction
D.
Budding
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Solution
Sexual reproduction in plants involves the formation of seeds through fertilization.
Correct Answer:
C
— Sexual reproduction
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Q. Which type of plant reproduction involves the fusion of male and female gametes?
A.
Asexual reproduction
B.
Vegetative propagation
C.
Sexual reproduction
D.
Apomixis
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Solution
Sexual reproduction involves the fusion of male and female gametes to form a zygote.
Correct Answer:
C
— Sexual reproduction
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Q. Which type of plant reproduction involves the use of spores?
A.
Asexual reproduction
B.
Sexual reproduction
C.
Vegetative reproduction
D.
Grafting
Show solution
Solution
Sexual reproduction in plants often involves the production of spores, especially in ferns and mosses.
Correct Answer:
B
— Sexual reproduction
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Q. Which type of plant reproduction is most commonly used in commercial horticulture?
A.
Seed propagation
B.
Asexual propagation
C.
Natural pollination
D.
Cross-pollination
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Solution
Asexual propagation is commonly used in horticulture for its efficiency and ability to produce clones of desirable plants.
Correct Answer:
B
— Asexual propagation
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Q. Which type of plant reproduction results in genetically identical offspring?
A.
Sexual reproduction
B.
Asexual reproduction
C.
Cross-pollination
D.
Self-pollination
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Solution
Asexual reproduction results in genetically identical offspring, as it involves cloning the parent plant.
Correct Answer:
B
— Asexual reproduction
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Q. Which type of plant tissue is characterized by living cells with thickened cell walls?
A.
Parenchyma
B.
Collenchyma
C.
Sclerenchyma
D.
Epidermis
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Solution
Collenchyma tissue is characterized by living cells with unevenly thickened cell walls, providing flexible support.
Correct Answer:
B
— Collenchyma
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Q. Which type of plant tissue is involved in the growth of roots and shoots?
A.
Meristematic tissue
B.
Vascular tissue
C.
Dermal tissue
D.
Ground tissue
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Solution
Meristematic tissue is responsible for the growth of roots and shoots, as it contains actively dividing cells.
Correct Answer:
A
— Meristematic tissue
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Q. Which type of plant tissue is involved in the healing of wounds?
A.
Parenchyma
B.
Phloem
C.
Cork cambium
D.
Sclerenchyma
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Solution
Parenchyma tissue can help in healing wounds due to its ability to divide and differentiate into various cell types.
Correct Answer:
C
— Cork cambium
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Q. Which type of plant tissue is primarily involved in photosynthesis?
A.
Collenchyma
B.
Parenchyma
C.
Sclerenchyma
D.
Xylem
Show solution
Solution
Parenchyma tissue, particularly in leaves, contains chloroplasts and is primarily involved in photosynthesis.
Correct Answer:
B
— Parenchyma
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Q. Which type of plant tissue is primarily involved in the healing of wounds?
A.
Parenchyma
B.
Collenchyma
C.
Meristematic tissue
D.
Sclerenchyma
Show solution
Solution
Meristematic tissue is involved in the healing of wounds as it contains undifferentiated cells that can divide and differentiate.
Correct Answer:
C
— Meristematic tissue
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Q. Which type of plant tissue is primarily involved in the transport of organic compounds?
A.
Xylem
B.
Phloem
C.
Sclerenchyma
D.
Collenchyma
Show solution
Solution
Phloem is responsible for the transport of organic compounds, particularly sugars, throughout the plant.
Correct Answer:
B
— Phloem
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Q. Which type of plant tissue is responsible for photosynthesis?
A.
Parenchyma
B.
Collenchyma
C.
Sclerenchyma
D.
Phloem
Show solution
Solution
Parenchyma cells, particularly those in the leaves, contain chloroplasts and are primarily responsible for photosynthesis.
Correct Answer:
A
— Parenchyma
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Q. Which type of plant tissue is responsible for secondary growth?
A.
Apical meristem
B.
Lateral meristem
C.
Ground tissue
D.
Epidermal tissue
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Solution
Lateral meristem is responsible for secondary growth, which increases the thickness of stems and roots.
Correct Answer:
B
— Lateral meristem
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Q. Which type of plant tissue is responsible for the growth in length of roots and shoots?
A.
Parenchyma
B.
Collenchyma
C.
Meristematic
D.
Sclerenchyma
Show solution
Solution
Meristematic tissue contains undifferentiated cells that enable growth in length at the tips of roots and shoots.
Correct Answer:
C
— Meristematic
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Q. Which type of plant tissue is responsible for the growth in length of stems and roots?
A.
Parenchyma
B.
Collenchyma
C.
Meristematic tissue
D.
Sclerenchyma
Show solution
Solution
Meristematic tissue contains undifferentiated cells that can divide and contribute to the growth in length of stems and roots.
Correct Answer:
C
— Meristematic tissue
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Q. Which type of plant tissue is responsible for the transport of hormones?
A.
Xylem
B.
Phloem
C.
Parenchyma
D.
Sclerenchyma
Show solution
Solution
Phloem not only transports sugars but also plays a role in the transport of hormones throughout the plant.
Correct Answer:
B
— Phloem
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Q. Which type of plant tissue is responsible for the transport of water and minerals?
A.
Phloem
B.
Xylem
C.
Cortex
D.
Pith
Show solution
Solution
Xylem is the tissue responsible for transporting water and minerals from roots to other parts of the plant.
Correct Answer:
B
— Xylem
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Q. Which type of plant tissue is responsible for the transport of water?
A.
Phloem
B.
Xylem
C.
Cortex
D.
Epidermis
Show solution
Solution
Xylem is the tissue responsible for the transport of water and dissolved minerals from the roots to the rest of the plant.
Correct Answer:
B
— Xylem
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Q. Which type of plant tissue provides flexible support and is found in young stems and petioles?
A.
Sclerenchyma
B.
Parenchyma
C.
Collenchyma
D.
Xylem
Show solution
Solution
Collenchyma provides flexible support in young stems and petioles, allowing for growth and movement.
Correct Answer:
C
— Collenchyma
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Q. Which type of pollination occurs when pollen is transferred from one flower to another of the same species?
A.
Self-pollination
B.
Cross-pollination
C.
Wind pollination
D.
Water pollination
Show solution
Solution
Cross-pollination involves the transfer of pollen between different flowers of the same species, promoting genetic diversity.
Correct Answer:
B
— Cross-pollination
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Q. Which type of reproduction involves the fusion of male and female gametes?
A.
Asexual reproduction
B.
Binary fission
C.
Sexual reproduction
D.
Budding
Show solution
Solution
Sexual reproduction involves the fusion of male and female gametes, leading to genetic diversity in offspring.
Correct Answer:
C
— Sexual reproduction
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Q. Which type of respiration occurs in the absence of oxygen?
A.
Aerobic respiration
B.
Anaerobic respiration
C.
Fermentation
D.
Both anaerobic respiration and fermentation
Show solution
Solution
Both anaerobic respiration and fermentation occur in the absence of oxygen, allowing plants to generate energy.
Correct Answer:
D
— Both anaerobic respiration and fermentation
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Q. Which type of respiration occurs in waterlogged soils where oxygen is limited?
A.
Aerobic respiration
B.
Anaerobic respiration
C.
Fermentation
D.
Photosynthesis
Show solution
Solution
Anaerobic respiration occurs in waterlogged soils where oxygen is limited, allowing plants to survive in low-oxygen conditions.
Correct Answer:
B
— Anaerobic respiration
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Q. Which type of RNA carries amino acids to the ribosome during translation?
A.
mRNA
B.
tRNA
C.
rRNA
D.
snRNA
Show solution
Solution
tRNA (transfer RNA) carries amino acids to the ribosome for protein synthesis.
Correct Answer:
B
— tRNA
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