Category: MCQ

  • General Q&A part-1

    General Q&A part-1

    This page contains general Q&A questions asked by curious people. How many types of Air pollution? Air pollution can be categorized into several types based on the sources of pollutants, the nature of the pollutants, and their effects on the environment and human health. The main types of air pollution include: Particulate Matter (PM): Particulate…

  • MCQ on Breathing and Exchange of Gases-2

    Visiting high mountains may cause altitude sickness in men living in plain areas. Prime cause of this is (a) excess of CO2 in blood (b) decreased efficiency of haemoglobin (c) decreased partial pressure of oxygen (d) decreased proportion of oxygen in air. Increase in body temperature makes oxygen haemoglobin dissociation curve (a) shift to left…

  • 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. …

  • Biotechnology: Principles and Processes Quiz

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  • Plant Growth and Development Quiz

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    Q1. Rules to explain “The phenomenon of inheritance of biological characteristics” was formulated by: A) T.H.Morgan  B) Gregor Johann Mendell C) Rudolf Virchow D) Bateson  E) Lamark Q2. Genetic research was activated and a revolution in modern biology occurred in the year: A) 1951-53 B) 1961-63 C) 1971-73 D) 1975-71 E) 1981-83 Q3. Genetic engineering …



    Q1) The relationship between mineral and water is know as: A) Ascent of sap B) Osmoregulation C) Excretion D) All of them Q2) The cell sap having solution of: A) One types B) Two types C) Three types D) Four types Q3) The water potential not more than: A) 1 B) 100 C) 1000 D)…



    Q1)  Any attribute or descriptive phrase, referring to form, structure or behaviour of a specific organism for a particular purpose is: A) Expression B) Specificity C) Character D) Nature E) None of the above Q2) Which one of the following is an example of “Expression of character”? A) Petal length B) Stem thickness C) Corolla…



    Q1) Enzyme is a Greek word which means: A) in virus B) in bacteria C) in fungi D) in yeast E) in humans Q2) Who discovered that certain molecules of ribonucleic acid also function as enzymes? A) Friedrich Wilhem Kuhne only B) Friedrich and Thomas Cech C) Thomas Cech only D) Sidney Altman & Thomas…



    Q1) Chemically, protoplasm contains: A) 60-70% of H2O B) 30-40% of H2O C) 90-95% of H2O D) 70-90% of H2O E) 50-60% of H2O Q2) If water is evaporated, the remaining dry weight of the cell consists of: A) Carbon B) Hydrogen C) Nitrogen D) Oxygen E) Ammonia Q3) During photosynthesis, which one is used…



    Q1) Unwanted substances excreted by plants are: A) Uric acid B) Ammonia C) Latex D) Urea Q2) Solid crystalline substance called uric acid excreted as Solid waste in: A) Insects B) Planty helminthes C) Vertebrates D) Annelids Q3) Nephrons are connected with: A) Respiratory system B) Nervous system C) Circulatory system D) Excretory system Q4) Which…



    Q1: The diameter of most animal cells ranges from  A) 1.0 to 10 µm. B) 0.01 to 0.1 µm. C) 10 to 100 µm. D) 100 to 1000 µm. E) 0.1 to 1.0 µm. Q2: Which of the following is a feature found in BOTH prokaryotic and eukaryotic cells? A) extensive array of intermediate filaments…