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  • Question
  • karl Landsteiner discovered


  • Options
  • A. Blood corpuscles
  • B. Blood groups
  • C. Blood vessels
  • D. Proteins in Blood

  • Correct Answer
  • Blood groups 


  • Biology problems


    Search Results


    • 1. Islets of Langerhans are present in

    • Options
    • A. Kidney
    • B. Liver
    • C. Pancreas
    • D. Trachea
    • Discuss
    • 2. Biological complete proteins are found in

    • Options
    • A. Potato, Onion, Carrot
    • B. Apple, Egg, Wheat
    • C. Rice, Meat, Butter
    • D. Meat, Milk, Egg
    • Discuss
    • 3. Source of infection in diseases like Tuberculosis, Mumps and Whooping cough is

    • Options
    • A. Direct contact
    • B. Droplets of saliva
    • C. Carrier organism
    • D. A vector
    • Discuss
    • 4. Deep fried foods are carcinogenic because they are rich in

    • Options
    • A. Nicotine
    • B. Hydrocarbons
    • C. Fats
    • D. All of the above
    • Discuss
    • 5. Excretion is best described as the removal of

    • Options
    • A. Undigested material from the digestive tract
    • B. Metabolic wastes from a cell
    • C. Toxic wastes by the process of cyclosis
    • D. Water molecules from dipeptide hydrolysis
    • Discuss
    • 6. In exo-biology we study about ________

    • Options
    • A. External structure of living beings
    • B. Life present on the earth
    • C. Life present in the other layer of earth atmosphere
    • D. Life found in space and on other satellite
    • Discuss
    • 7. An area of dead myocardial tissue is called

    • Options
    • A. an infarct
    • B. stenosis
    • C. an induration
    • D. hypertrophy
    • Discuss
    • 8. Which of these does not contain a structural protein?

    • Options
    • A. Tendons
    • B. Ovalbumin
    • C. Muscles
    • D. Ligaments
    • Discuss
    • 9. How many Enzymes are there in the Human Body?
    • Discuss
    • 10. The most healthy edible oil for heart is

    • Options
    • A. Almond Oil
    • B. Sesame Oil
    • C. Mustard Oil
    • D. Olive Oil
    • Discuss


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