Tag: topranked
-
Volvox (Rolling Alga)
Systematic position Class Chlorophyceae Order Volvocales Sub order Chlamydomonadineae Family Sphaerellaceae Genus Volvox Occurrence It includes about 20 species. All are aquatic and free floating. Mostly occur in fresh water bodies It occurs as green rolling ball of pin head sized coenobia. Vegetative structure Volvox is a colonial green alga and the colonies are oval to…
-
NUTRITION IN PLANTS – Class 7
What are Plants? Plant cell have plastids, which is not present in animal cell. Plants have cell wall, which is absent in animal cell. NUTRIENTS • Nutrients are compounds in foods which are essential to life and health, providing us with energy, the building blocks for repair and growth and substances necessary to regulate chemical…
-
Larva and it’s Types
Larva It has been defined as an intermediate stage in the life history of Invertebrates and few lower chordates. In class Insecta, larva signifies the reproductively immature stage which is determined for feeding and gathering energy for transformation into adult. Class Insecta is a diverse category among the animal kingdom. Many of them vary in…
-
BHOPAL GAS TRAGEDY (NEET)
On the night of 2nd and 3rd December 1948 an incident took place. It is one of the world worst Industrial disaster. A gas named methyl isocyanate (MIC). Over 50,000 people died in this Catastrophic incident. Methyl Isocyanate (MIC) Methyl Isocyanate is a colourless liquid used for making pesticides. The chemical is very reactive. Methyl…
-
Pupa and it’s Types
Pupa This stage has been defined as the quiescent stage subjected to the development of Adult/ Imago. There are two broad divisions of Pupa in class Insecta based upon presence and absence of functional mandibles: Decticous Pupa Adecticous Pupa DECTICOUS PUPA Articulating mandibles are present that helps in tearing the pupal case or cocoon. Example-…
-
APICULTURE (NEET)
It is the scientific method of rearing of Honeybees for obtaining honey and other useful products from the Honeybee. The word Apiculture is derived from the Latin word were ‘apis’, meaning bee, so it is the method of rearing of honeybee or bee- keeping method. Honey-bee belong to Apis species. SPECIES OF HONEY-BEE Apis mellifera…
-
POULTRY FARMING (NEET)
Poultry means domestication of birds for economic purposes. It includes chicken, pigeons, quails etc. MANAGEMENT OF POULTRY FARMING Managing of poultry farm in very important part for the growth of the birds and also for their better development, so it is very much important to have a well managed plan for their growth and development.…
-
Brain Surgery and Memory Loss (Case Study of H.M.)
Case Study of H.M. (Henry Molaison) Mind:- The most studied mind in the History of Mankind is Henry Molaison’s Mind. His case is all about brain surgery and memory loss. Because of an accident during childhood, H.M. got an internal brain injury. Because of this injury, he was suffering from Epilepsy attacks. His condition became serious…
-
Principles of Limiting Factors
Liebig’s Law of Minimum History: The concept was first provided by J. Von Liebig in 1840 for growth rate of plants, stating that the size & overall health of the plant depends upon the scarcest essential nutrient available to it. Later, the concept was broadened to be applicable on all organisms. Statement: Under stable conditions,…
-
Tuberculosis (TB) – NEET
Causative organism: Mycobacterium tuberculosis This bacteria releases tuberculin which produces the disease. Symptoms: Fever Pain in chest Sweating Rapid pulse Cough TREATMENT: BCG Vaccine is provided.