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Tissues Test - 33

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Tissues Test - 33
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Reticulocytes may also be called
    Solution
    • Reticulocytes are immature red blood cells or erythrocytes, which compose about 1% of the red cells in the human body. 
    • They develop and mature in the red bone marrow and then circulate for about a day in the bloodstream before developing into mature red blood cells.

    Thus, the correct answer is option B.
  • Question 2
    1 / -0
    The main function of the white blood cells in the human intestine system is to :
    Solution
    White blood cells or leucocytes are colourless, irregularly shaped and bigger sized cells than the RBC containing nucleus. WBCs are the cells, that help the body to fight infections. They combat  and destroy the antigenic particles.
    Thus, the correct answer is option A.
  • Question 3
    1 / -0
    Which of the following is correct?
    Solution
    • Blood is a fluid that has blood cells, such as WBCs, RBCs, and platelets, which are suspended in blood plasma. 
    • Lymph is the blood fluid that oozes through blood vessels into the tissue spaces and after circulating through the lymphatic system is returned to blood circulation. 
    • Lymph contains WBCs and lacks RBCs because the RBCs are too big to pass through the spaces in the blood vessels. 
    Thus, the correct answer is option (B).
  • Question 4
    1 / -0
    The afferent process of neuron is the:
    Solution
    The dendrites of the neuron are called 'afferent processes' because they transmit impulses to the neuron cell body.
    Thus, the correct answer is an option (B), 'Dendrite'.
  • Question 5
    1 / -0
    Which one of the following is not essentially a part of nervous system?
    Solution
    A nerve cell or neuron is the structural and functional unit of the nervous system. It has a cell body called cyton and two types of processes called axon and dendrite. Dendrites are the short cytoplasmic processes of the cell body, which receive stimulus from other neurons. The axon is a long extension of a neuron and may be covered by a lipid-rich membrane, called a myelin sheath.
    Intermedin, on the other hand, is a hormone produced by the intermediate lobe of the pituitary gland in certain vertebrates. It is also known as melanocyte-stimulating hormone.
    Thus, the correct answer is option D.

  • Question 6
    1 / -0
    Nodes of Ranvier are found in
    Solution
    Correct option: B

    Explanation:
    • Nodes of Ranvier are found in Myelinated nerve fibres. The gaps between two adjacent myelin sheaths are called nodes of Ranvier
    • Non-myelinated nerve fibres are enclosed by a Schwann cell that does not form a myelin sheath around the axon. Nodes of Ranvier is absent in them.
      Thus, Option B is correct.

  • Question 7
    1 / -0
    Which of the following is not a part of areolar tissue?
    Solution

    • Areolar tissue is loose, irregularly arranged connective tissue. It consists of collagen, elastin, and reticular fibres. It is strong enough to bind different tissue types together, and yet soft enough to provide flexibility and cushioning. 
    • Macrophages, plasma cells, and collagen fibres are all components of areolar tissues whereas, a nerve cell is not.
    So, the correct option is B.

  • Question 8
    1 / -0
    Which one of the following cells is not capable of metabolizing glucose to carbon dioxide aerobically?
    Solution
    Red blood cells at maturity lose all the cell organelles and space inside the cell is occupied by haemoglobin. Since RBCs lack mitochondria they cannot metabolize glucose to carbon dioxide aerobically.
    So, the correct answer is 'Red blood cells'
  • Question 9
    1 / -0
    Commonly known as body fat:
    Solution
    Adipose tissue is commonly known as body fat. It is a specialized connective tissue consisting of lipid-rich cells called adipocytes. As it comprises about 20-25% of total body weight in healthy individuals, the main function of adipose tissue is to store energy in the form of lipids (fat).
    Hence, the correct option is C.
  • Question 10
    1 / -0
    Neuron is different from the muscle, due to the presence of:
    Solution
    Alternate light and dark bands are present only in skeletal muscles. Muscles contain special proteins called contractile proteins. Dendrites are the short cytoplasmic extensions of the cell body of a neuron, which receive stimulus from other neurons. Dendrites are part of a nerve fibre, not a muscle fibre. 
    Thus, the correct answer is option D.
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