APSC Prelims and Mains Notes, APSC Test Series
Cell structure and its functions Cell is the smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane. Structure of cell The cell is a basic unit for life forms. As well as enabling sophisticated control of biochemical processes by providing compartments … Read more
Crust: The outer most layer or shell of the earth is known as earth’s crust. On an average it is 30km deep. It can be up to 70km under high mountains and up to 8km under ocean. It represents less than 1% of earth’s total volume and its average density is 2.7 gm/cm3. It is … Read more
These restaurants are located strategically with a regular supply of safe food by collecting dead animals from local people. Vultures feed on the dead carcass. Vultures play an important ecological role through the rapid consumption of animal carcasses. Presently there are three ‘Vulture Restaurants’ in Gadchiroli forest division at Marakbodi, Madetukum and Nimgaon. Aim: … Read more
Mendel’s laws Mendel discovered that, when he crossed purebred white flower and purple flower pea plants (the parental or P generation), the result was not a blend. Rather than being a mix of the two, the offspring (known as the F1 generation) was purple-flowered. When Mendel self-fertilized the F1 generation pea plants, he obtained a … Read more