Geography Biodiversity 1-Biodiversity is the variety of plant and animal life in the world or in a particular habitat. 2-It is an essential component of nature and it ensures the survival of human species by providing food, fuel, shelter, medicines and other resources to mankind. 3-The term biological diversity was used first by … Read more
Rivers East Flowing Peninsular Rivers 1- Krishna River 2- Pennar River 3- Godavari River 4- Mahanadi River 5- Kaveri (Cauvery) River 6- Vaigai River 7- Subarnarekha River 8- Sarada River 9-Ponnaiyar River 10- Brahamani River Godavari River 1-The Godavari River rises from Trimbakeshwar in the Nashik district of Maharashtra about 80 km … Read more
Sun -Planets -Comets – Important Points/Facts 1-Temperature = 6000 C on surface and 16 million C in core 2-Density = 1.41 times that of water 3-Age = 4.6 billion years 4-Diameter = 13,91,785 km (~1.3 million km) 5-Period of rotation = 25 days 9 hrs 6-Speed of rotation = 7179.73 km/hr (Earth’s rotational velocity = … Read more
Biology Cell 1- Robert Brown -Discovered Cell Nucleus in 1831 2-Schleiden and Schwann presented the cell theory, that all the plants and animals are composed of cells and that the cell is the basic unit of life. 3-Robert Hooke – Discovered and coined the term cell in 1665 4- It was possible to observe … Read more
Chemistry Glossary 1- Acid – Compound that gives off H+ ions in solution. 2-Base – Substance which gives off hydroxide ions (OH-) in solution. 3-Catalyst – Substance that speeds up a chemical process without actually changing the products of reaction. 4-Density – Mass per unit volume of a substance. 5-Effusion – Movement of gas molecules … Read more
Chemistry Atomic Structure ; introduction to periodic table 1-Created by Dmitri Mendeleev (1834-1907), the periodic table orders all known elements in accordance to their similarities 2-The periodic table is a chart that categorizes elements by “groups” and “periods.” All elements are ordered by their atomic number. 3-The atomic number is the number of protons per … Read more
Geography 1- India lies in the hemisphere – Northern and eastern 2-The state having largest area under waste land is Rajastan 3-Myanmar is closest to Andaman Islands 4-Tropic of Cancer passes through the middle of India 5-Indus is a Trans- Himalayan river. 6-The two Volcanic islands in the Indian territory are Pamban and Barren 7- … Read more
History -One Liners 1- The capital of the kingdom of Maharaja Ranjit Singh was Lahore 2-In the Gandhara sculptures the preaching mudra associated with the Buddha’s First Sermon at Sarnath is Dharmachakra 3-The name of the poet Kalidas is mentioned in the Aihole inscription 4-Vidhushaka, a common character in Sanskrit drama is invariably a … Read more
Biology Diseases – Fungal Diseases in Humans 1- Moniliasis is one of the most common opportunistic diseases in AIDS patients 2-Candida albicans, a fungus is the etiological agent of moniliasis. Moniliasis is also known as mucocutaneous candidiasis. 3-Pigeon and Bat feces can carry Histoplasma capsulatum, the fungal agent of histoplasmosis. The infection is transmitted through … Read more
Biology Botany 1-Gas exchange in plants is carried out via simple diffusion. 2-Transpiration is the loss of water from the plant to the atmosphere into the form of vapor. 3-Transpiration occurs through the cuticle of the epidermis (cuticular transpiration) or through the ostioles of the stomata (stomatal transpiration). 4-Stomata (singular, stoma) are small specialized passageways … Read more