Different types of plant tissues
The higher plants (vascular cryptogams and spermatophytes have highly complex bodies made up of various kinds of cells. These cells cluster together in order to […]
Month: May 2018
Differences between animal cells and plant cells
S.N. Animal cell Plant cell 1. It is enclosed by a thin, flexible, living plasma membrane only. It is enclosed by a thick, dead cell […]
Pulmonary air volumes and capacities
The quantities of air the lungs received, held or expeled under different conditions are called pulmonary or lung volumes. Pulmonary capacity refers to a combination […]
Toxins and differences between endotoxins and exotoxins
The chemical substances produced by microorganisms in order to harm the host and cause diseases in them are called toxins. The ability of a microorganism […]
Glycolysis or EMP (Embden-Meyerhof-Parnas) pathway
All the living organisms whether aerobes or anaerobes, initiate the mechanism of respiration by breaking down glucose (6 carbon compound) into two molecules of pyruvate […]
Morphology and life cycle of mosquitoes
Mosquitoes are harmful insects found in hot and moist places generally common during monsoon and spring seasons. They are generally active during the hours of […]
Hazards and Natural Disasters
Hazards: The situation that brings a threat to life, health, property or environment e.g of Natural Hazards: flood, volcanic eruption, earthquake, cyclone etc. Natural disaster: […]
Chemical reactions, balanced and unbalanced chemical equations
Chemical reaction: Physical Change: temporary & usually reversible change in which no new substance are formed e.g. Melting of ice or wax, magnetizing or demagnetizing […]
Characteristics of groups and periods in a periodic table
Characteristics of Group: The elements of a group show similar chemical properties but there is a gradual variation in the physical properties of the elements […]
Classification of elements
Classification of Elements: Based on distinct physical properties like hardness, malleability & lustre a.Non-Metals b.Metals : Based on Chemical Properties: Alkali Metals: Metals which […]