Biology, Protozoa and its important features Protozoa is eukaryotic (Single-celled) type. Protozoa is acellular type organisms. Protozoa is a part of the living creatures. Protozoa can be large as 1 mm. Protozoa is easily seen by microscope. Historically, protozoa were defined as single-celled organisms with animal-like behaviors, such as motility and predation. The terms protozoa … Read more
Biology Bacteria Scientist A. Van Leeuwenhoek, of Holland at first detected the Bacteria in 1676 . Gram Positive Bacteria and Gram Negative Bacteria are mainly the two types of Bacteria . Azotobactor, Lactobacillus Trichodes, Escherichia coli, Trichoderma Kongi, Clostridium Butricum, Bacillus Subtilis etc are beneficial Bacteria, whereas Salmonella Typhosa, Vibrio Cholerae, Pasteurella Pestis etc. are … Read more
Glossary -Biology Terms 1-Bacteria – Single-cell microscopic organisms which lack a true nucleus. They represent one of the three domains. 2-A biome is a formation of plants and animals that have common characteristics due to similar climates and can be found over a range of continents. 3-Biomass is biological material derived from living, or recently … Read more
Glossary -Biology Terms 1-Abscission – shedding of flowers and leaves and fruit following formation of scar tissue in a plant 2-Absolute zero – the lowest theoretically attainable temperature (at which the kinetic energy of atoms and molecules is minimal); 0 Kelvin or -273.15 Celsius of -459.67 Fahrenheit. 3-Abscisic acid – a plant hormone with the … Read more
Science Miscellaneous Questions With Answers 1.A weather balloon is not fully inflated on the ground because– (A) if the balloon is fully inflated, it may not remain stable in a storm (B) the air inside the balloon expands as it rises and may burst (C) it cannot withstand the outside pressure if fully inflated (D) … Read more
Biology-Important Points 1. Cerebrum is the largest part of the brain. 2. The brain of adults weights approximately 1300 to 1400 grams. 3. Devil fish is common name of octopus. 4. . Directional movements in plants is responsible to specific stimuli are called tropic movements 5. Insulin which regulates blood sugar is a protein … Read more
General Studies -Biology -One Liner 1- Pollination by birds is known as ornithophily 2- A dye is prepared from indigofera 3- Autotrophs in an ecosystem are called producers 4- The first effective vaccine against polio was prepared by Jone E.Salk 5- What is the phenotypic ratio of complementary genes in pea ? 9:7 6- Thymidine … Read more
General Awareness : Biology 1-Rats and mice act as carried organisms for Plague. 2-Diseases like Aids,eye infection,tetany spread through direct physical contact. 3-Mumps,influenza,measles,chickenpox,cold and cough are spread by air borne transmission. 4-Mad Cow disease is seen in Britain. A cow with Bovine spongiform encephalopathy (BSE), commonly known as mad cow disease.Infected animals are unable to … Read more
General Awareness -Biology- Life Processes Tissues present in leaf 1-Autotrophic organisms synthesize their own food. 2-The process in which energy stored in Carbohydrates released … Read more