Secretory Tissue System in Plants (Structure, Classification and Functions)
Most of the plants release many substances from their cell cytoplasm to the exterior and they are called as Plant-secretions. Among these secretions, some are […]
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General Characters of Gymnosperms (Lecture Notes with PPT)
Gymnosperms are primitive seed-producing plants of Spermatophytes (Phanerogams). They are ‘Naked-Seed’ Plants. The term is derived from two Greek words: ‘gymnos’ meaning naked and ‘sperma’ […]
Hydathode: Structure and Functions
Hydathodes are specialized pores (openings) particularly present on the leaf margins, which exudes or secretes drops of water. The exudation of water as drops from […]
Difference between Tropic and Nastic Movements
Tropic Movements vs Nastic Movements Difference between Tropic and Nastic Movement: Tropic movements and Nastic movements are the two types of induced or paratonic movements […]
What is Data in Statistics?
What is ‘data’ or ‘variable’? Ø Data is a set of values of qualitative or quantitative variables. Ø In biostatistics (also in statistics) data are […]
Phase Contrast Microscopy – Optical Components, Working Principle and Applications (Short Notes with PPT)
Working Principle of an Ordinary Microscope: In an ordinary microscope, the object is viewed due to differences in colour intensities of the specimen. To create […]
Titration Curve of a Weak Acid and its pKa (Biochemistry Notes)
What is Titration? Titration Curve of a Weak Acid: Titration is a method to determine the concentration of a dissolved substance (analyte or titrand) in […]
Proton Hopping in Water (Grotthuss Mechanism)
Proton Hopping in water is the process of diffusion of protons (H⁺ ions) through the network of hydrogen-bonded water molecules in the liquid water. Proton […]
How to Calculate pH and pKa of a Buffer Using Henderson-Hasselbalch Equation?
How to Calculate pH and pKa of a Buffer using Henderson-Hasselbalch Equation? Henderson-Hasselbalch equation is a numerical expression which relates the pH, pKa and Buffer […]