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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
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
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
Diffusion – Movement of Substances
Table of Contents Diffusion Defination Diffusion is the net movement of molecules and ions from a region of their higher concentration to a region of their lower concentration down a concentration gradient, as a result of their random movement. What is Diffusion The molecules of a gas such as oxygen are moving about all the…
Blood vessels and their functions
Arteries are blood vessels which carry blood away from the heart. They have thick, muscular and elastic walls that can withstand the surge of the high-pressure blood pumped out of the heart.
Types of Classification System
Biological classification is the scientific procedure of arranging organisms into groups on the basis of their similarities and dissimilarities and placing the groups in a hierarchy of categories like species, genus, family, etc
Type of Classification System Quiz
Welcome to our “Type of Classification System Quiz!” Are you ready to explore the diverse methods used to categorize everything from living organisms to data sets? Classification systems are essential tools that help us organize and make sense of the world around us. In this quiz, we’ll dive into various types of classification, from biological…
MCQ on Respiration in plant
Q1: Which organelle in plant cells is primarily responsible for cellular respiration? (A) Chloroplast (B) Mitochondrion (C) Vacuole (D) Nucleus Answer: (B) Mitochondrion Explanation: Mitochondria are the main sites of cellular respiration in plant cells, where ATP is produced. Q2: During respiration, what is the primary substrate used by plants to generate energy? (A) Oxygen…
Biotechnology: Principles and Processes Quiz
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