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  • Question
  • Normal adult human male has


  • Options
  • A. 10 gram of haemoglobin/100 gram of blood
  • B. 14 gram of haemoglobin/100 gram of blood
  • C. 18 gram of haemoglobin/100 gram of blood
  • D. 24 gram of haemoglobin/100 gram of blood

  • Correct Answer
  • 14 gram of haemoglobin/100 gram of blood 


  • Biology problems


    Search Results


    • 1. Pulses are a good source of

    • Options
    • A. carbohydrates
    • B. fats
    • C. proteins
    • D. vitamins
    • Discuss
    • 2. Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?

    • Options
    • A. Exact concentration of solution is not given
    • B. Character of semi permeable membrane is not given
    • C. The flow of solution is not possible through semi permeable membrane
    • D. All are incorrect
    • Discuss
    • 3. Ordinary table salt is sodium chloride. What is baking soda?

    • Options
    • A. Potassium chloride
    • B. Potassium carbonate
    • C. Potassium hydroxide
    • D. Sodium bicarbonate
    • Discuss
    • 4. Plant development is influenced by

    • Options
    • A. quality of light only
    • B. quality and quantity of light
    • C. quality and duration of light
    • D. quality, quantity and duration of light
    • Discuss
    • 5. Pyorrhoea is a disease of the

    • Options
    • A. nose
    • B. gums
    • C. heart
    • D. lungs
    • Discuss
    • 6. Mumps is a disease caused by

    • Options
    • A. fungus
    • B. bacterium
    • C. virus
    • D. None of these
    • Discuss
    • 7. Monotremes are unique mammals because they

    • Options
    • A. posses hair
    • B. give birth to live young
    • C. secret milk in a pouch
    • D. lay eggs
    • Discuss
    • 8. Most common disease of poultry in India is

    • Options
    • A. fowl pox
    • B. tick fever
    • C. ranikhet
    • D. coryza
    • Discuss
    • 9. Pollen grains in plants are produced in

    • Options
    • A. roots
    • B. leaves
    • C. flower
    • D. stem
    • Discuss
    • 10. Plants hormone that induces cell division is

    • Options
    • A. auxins
    • B. gibberellins
    • C. kinins
    • D. domins
    • Discuss


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