Bacterial nutrition varies widely, encompassing autotrophic and heterotrophic modes. Autotrophic bacteria synthesize their own organic compounds from inorganic sources, while heterotrophic bacteria rely on organic […]
Cell walls are rigid structures surrounding plant, fungal, and bacterial cells, providing support, protection, and regulating cell shape and osmotic pressure. The chemical structure and […]
MCQ on Geological Time Scale. The geological time scale is a chronological framework used by geologists to categorize and organize Earth’s history into distinct eras, […]
MCQ on Secondary Metabolites in Plants: Secondary metabolites are organic compounds not directly involved in growth or development but crucial for ecological interactions and adaptation. […]
MCQ on Microbes in Nitrogen Cycle: In the nitrogen cycle, essential for ecosystem health, microbes such as nitrogen-fixing bacteria, nitrifying bacteria, and denitrifying bacteria play […]
MCQ on Phospholipids: Phospholipids are essential components of cell membranes. They consist of a hydrophilic head and two hydrophobic tails. Arranged in a bilayer, they […]
MCQ on Phloem Transport in Plants: Phloem transport in plants occurs through a process called translocation. Sugars, mainly sucrose, produced in photosynthetic source tissues are […]
MCQ on Significance of Hydrogen Bonds. Hydrogen bonds are crucial in various aspects of chemistry and biology. They stabilize protein and DNA structures, facilitating life’s […]
MCQ on Cell Signalling in Plants: In plants, cell signalling occurs through various mechanisms, including phytohormones like auxins, cytokinins, and gibberellins. These molecules regulate growth, […]