Shivani Kaur
What is Transportation in Plants ? Transportation is a vital process in plants. Trees transport all the nutrients and water it needs for survival from its roots to the tips of the leaves. In the case of transportation in plants, the biggest constraint is water as it ends up being a limiting factor in growth. To … Read more
What is Cell Cycle? The cell cycle was discovered by Prevost and Dumas (1824) while studying the cleavage of zygote of Frog. It is a series of stages a cell passes through, to divide and produce new cells. This entire process where with the help of one single parent cell a new cell population grows … Read more
What is a Cell? Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. Cells also contain the body’s hereditary material and can make copies … Read more
Around the world most common species of frog is Rana tigrina. The frogs are cold-blooded or poikilotherms. They have the ability to camouflage. The frogs also show mimicry as a tool for protection. During summers, the frogs live in summer sleep (aestivation) and during winters, they live in winter sleep (hibernation). Frogs are amphibians, they … Read more
Cockroaches belong to the order Blattodea, the family of Blattidae and the Genus Periplaneta. There are around 4000 different species of cockroach around the world. However, only a few of them can be found in the Indian subcontinent. Some of the common species include – German cockroach (Blatella Germanica), American cockroach (Periplaneta Americana), oriental cockroach … Read more
What is Catalase Test? Catalase is an enzyme, which is produced by microorganisms that live in oxygenated environments to neutralize toxic forms of oxygen metabolites; H2O2. The catalase enzyme neutralizes the bactericidal effects of hydrogen peroxide and protects them. Anaerobes generally lack the catalase enzyme. This test demonstrate the presence of catalase, an enzyme that … Read more
Anatomy of Flowering Plants Anatomy of Flowering Plants: Plant anatomy or phytotomy is the general term for the study of the internal structure of plants. Originally it included plant morphology, the description of the physical form and external structure of plants, but since the mid-20th century plant anatomy has been considered a separate field referring … Read more
What is Living World? When we try to define ‘living, or Living World’ we conventionally look for distinctive characteristics exhibited by living organisms. Growth, reproduction, ability to sense the environment and mount a suitable response come to our mind immediately as unique features of living organisms. One can add a few more features like metabolism, … Read more