ARTICLES

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DIFFUSION OF GASES

Diffusion is the movement of particles from the region of higher concentration to the region of lower concentration. It is affected by temperature, pressure, density of medium, distance,number of particles per unit volume. Read More >>>

OPENING AND CLOSING OF STOMATA

Opening and closing of stomata is controlled by concentration of solutes in guard cells. Some factors like light, temperature, CO2, O2,hormones regulate the opening and closing of stomata. Read More >>>

TRANSPIRATION

Transpiration explains how water moves up the plant against gravity in tubes via a xylem. Plants pump the water up from the soil to deliver nutrients to their leaves. It is influenced by several factors. Read More >>>

PLANT WATER RELATION

Water is the most abundant constituent of all physiologically active plant cells. Several physiological processes of plants like osmosis, imbibition, plasmolysis are accomplished by water. Read More >>>

TRANSPORT IN PLANTS

Plants need water to grow and maintaining the turgidity of cell. There are three types of transport occur in plants: Diffusion, facilitated diffusion and active transport. Read More >>>

CONCEPT OF SPECIES AND TAXONOMIC HEIRARCHY

Species is the lowest category of hierarchy. Taxonomic hierarchy is the arrangement of various categories in successive levels of the biological classification. Read More >>>

BOTANICAL GARDENS

Botanical gardens are institutions holding documented collections of living plants for the purpose of scientific research, conservation, display and education. Read More >>>

ZOOLOGICAL PARKS

Zoological parks are places where wild animals are kept in protected environment under human core and which enable us to learn about their food habits and behavior. Read More >>>

HERBARIUM

Herbarium is a place where dried and pressed plants, specimens, mounted on sheets are kept systematically. It was established by Luca Ghini. Read More >>>

MUSEUMS

Museum is an institution where artistic and educational materials are exhibited to the public, the material available in exhibition for study is called collection. Read More >>>

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