Body Fluids and Circulation

Body Fluids and Circulation

Moderate Questions
Difficult Questions

Advanced Zoology

Animal Kingdom
Structural Organisation in Animals
Digestion and Absorption
Breathing and Exchange of Gases
Body Fluids and Circulation
Excretory Products and their Elimination
Locomotion and Movement
Neural Control and Coordination
Chemical Coordination and Integration
Human Reproduction
Human Health and Disease
Biotechnology Principles and Processes
Biomolecules (Zoology)
Evolution (Zoology)
Biotechnology and its Applications
Reproductive Health
  1. A child of blood group O cannot have parents of blood groups








  1. View Hint View Answer Discuss in Forum

    The inheritance of blood group is determined by some allelic genes which are IA, IB & I°. In one individual two allelic genes are present. IA & IB are dominant while Io is recessive in heterozygous condition. So if a child has a blood group O he/she must have IoIo & he/she cannot have the parents of blood group AB & AB/O.

    Correct Option: A

    The inheritance of blood group is determined by some allelic genes which are IA, IB & I°. In one individual two allelic genes are present. IA & IB are dominant while Io is recessive in heterozygous condition. So if a child has a blood group O he/she must have IoIo & he/she cannot have the parents of blood group AB & AB/O.

  1. ABO blood groups in humans are controlled by the gene I. It has three alleles – IA IB and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?








  1. View Hint View Answer Discuss in Forum

    The three alleles in ABO blood groups in humans can produce six different genotypes and four different phenotypes.
    Genotypes      Phenotypes
    IA,IA, IAi      Blood group A
    IBIB, IBi      Blood group B
    IAIB      Blood group AB
    ii      Blood group O

    Correct Option: C

    The three alleles in ABO blood groups in humans can produce six different genotypes and four different phenotypes.
    Genotypes      Phenotypes
    IA,IA, IAi      Blood group A
    IBIB, IBi      Blood group B
    IAIB      Blood group AB
    ii      Blood group O

  1. In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be








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    Blood group AB is also known as the universal recipient.

    Correct Option: C

    Blood group AB is also known as the universal recipient.

  1. Which type of white blood cells are concerned with the release of histamine and the natural anti- coagulant heparin?








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    Basophil is a type of white blood cell (leucocyte) that has a lobed nucleus surrounded by granular cytoplasm. Basophils are produced continually by stem cells in the red bone marrow & move about in an amoeboid fashion. Like, mast cells, they produce histamine and heparin as part of the body’s defences at the site of an infection or injury.

    Correct Option: B

    Basophil is a type of white blood cell (leucocyte) that has a lobed nucleus surrounded by granular cytoplasm. Basophils are produced continually by stem cells in the red bone marrow & move about in an amoeboid fashion. Like, mast cells, they produce histamine and heparin as part of the body’s defences at the site of an infection or injury.

  1. What is correct for blood group ‘O’?








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    Blood group ‘O’ is known as the universal donor since it does not contain antigens.

    Correct Option: A

    Blood group ‘O’ is known as the universal donor since it does not contain antigens.