Month: July 2020

  • Q & A on Components of Cytoplasm

    Q & A on Components of Cytoplasm

    Which organelle divides and compartmentalizes the cell?  The endomembrane system, which fills the cell and divides it into compartments, and is visible only through electron microscopy. The endoplasmic reticulum (ER), a series of interconnected membranous tubes and channels in the cytoplasm, is the largest and most extensive system of the internal membranes. What is the function of the endomembrane…

  • Phylum Hemichordata

    Phylum Hemichordata

    Hemichordates are vermiform, solitary or colonial enterocoelous coelomate animals having intra-epidermal nervous system and a pre-oral gut with or without gillslits and without typical nephridia. Due to some similarities with chordates, some workers (Bateson, 1885) considered Hemichordata as a subphylum of the phylum Chordata. Alliance with the chordates was based on the presence of gill…

  • True Or False On Carbohydrates

    True Or False On Carbohydrates

  • MCQ on Breathing and Exchange of Gases

    MCQ on Breathing and Exchange of Gases

    Dead space air is  The amount of air left in lungs after deepest expiration.  About 150 ml  Both of these  None of these Answer: 2 The amount of air left in the lungs after the deepest expiration is Residual air.  2. When fully saturated, one molecule of oxyhaemoglobin carries the following number of oxygen molecules. …

  • Quiz on Principles of Inheritance and Variation

  • Movement of Substances Quiz

    Movement of Substances Quiz