Ant Acid. The acid produced by ants is called formic acid. … The most common species of black ant in the United States is the black carpenter ant, which delivers a small amount of formic acid through its jaws as it bites. Formic acid is also found in stinging nettlesContinue Reading
Biomass is the amount of living material in an organism. The pyramids of biomass represent the relationship between different trophic levels in terms of biomass. In grassland and forest ecosystems, there is generally a gradual decrease in biomass of organisms at successive trophic levels from the producers to the consumers.Continue Reading
Titan arum is a giant flower, said to be one of the world’s oldest and largest species. In July 2015 it bloomed at a Tokyo park for the first time in five years. The 2-metre-high Titan arum rarely flowers and is notoriously difficult to propagate and blooms for one orContinue Reading
about the parts of human body. 1. The gland which is in the shape of a pistol is: Pancreas 2. Calcium requirement for the adult humans: 1200 mg daily 3. The test used to know the color blindness is: Ishihara 4. Man can see with his two eyes: Maximum angleContinue Reading
Phobia is an anxiety disorder characterized by extreme and irrational fear of simple things or social situations; “phobic disorder is a general term for all phobias” Phobia Description Acrophobia, Altophobia Fear of heights Agoraphobia Fear of a place or event where escape is impossible or when help is unavailable AilurophobiaContinue Reading
The discovery of blood groups Experiments with blood transfusions, the transfer of blood or blood components into a person’s blood stream, have been carried out for hundreds of years. Many patients have died and it was not until 1901, when the Austrian Karl Landsteiner discovered human blood groups, that bloodContinue Reading
Genetically modified (GM) foods are foods derived from genetically modified organisms. Genetically modified organisms have had specific changes introduced into their DNA by genetic engineering techniques. These techniques are much more precise than mutagenesis (mutation breeding) where an organism is exposed to radiation or chemicals to create a non-specific butContinue Reading
* Bones mainly made up of – Calcium and Phosphorous * Activity of Brain is recorded by – EEG * Cotton fibres are made of – Cellulose * Cow’s milk is a rich source of – Vitamin A * Deficiency of Iron in human diet causes – Anemia * HowContinue Reading
Phycology (or algology), a part of botany, is the study of algae. Algae are important as plants in aquatic ecosystems. Most algae are eukaryotic, photosynthetic organisms that live in a wet environment. They are different from the higher plants by a lack of “normal” roots, stems or leaves. Many typesContinue Reading
Malacology is the study of mollusks. These animals include snails, slugs, clams, mussels, octopus, squid, and many other kinds of animals without backbones that are often found in the sea, but sometimes in lakes and rivers, and on land. Most of them have shells, but not all of them. SomeContinue Reading
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