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Structural Organisation in Animals Test - 12

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Structural Organisation in Animals Test - 12
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Number of fertilised eggs in ootheca of cockroach is:

    Solution

    Ootheca of cockroach contains sixteen fertilised egg in two rows.

  • Question 2
    1 / -0

    Striated or voluntary muscle fibres are found in:

    Solution

    In the other choices unstriped muscles are found.

  • Question 3
    1 / -0

    The wall of heart is thick due to:

    Solution

    Myocardium is the thick middle layer of the heart and is composed of cardiac muscle. Pericardium and endocardium are the linings of epithelium.

  • Question 4
    1 / -0

    "Oxygen debt" is amount of oxygen required for:

    Solution

    During active work, the rate of oxygen supply by the lungs falls short according requirement of the muscles. Hence, lactic acid accumulates in the muscles and breathing gradually becomes hard to enhance \(O_2\) intake by the lungs. This is called oxygen debt.

  • Question 5
    1 / -0

    Which of the following ion is necessary-for the contraction of a muscle and nerve impulse transmission?

    Solution

    \(C^{++}\) is an essential element for the contraction of muscles and transmission of nerve impulse. Release of \(Ca^{++} \)ions from sarcoplasmic reticulum trigger muscle contraction process.

  • Question 6
    1 / -0

    Which of the following is a purely motor nerve?

    Solution

    Abducens nerve (cranial nerve VI) is one of the pair of nerves that arises from the anterior end of medulla oblongata in the vertebrate brain supplies the posterior rectus muscle of each eyeball. It contains chiefly motor nerve fibres.

  • Question 7
    1 / -0

    Glasson's capsules are found in:

    Solution

    In mammals, each lobe of the liver is composed of a number of lobules. Each lobule is polygonal in outline, and is separated from one another by a thin layer of connective tissue, called Glisson's capsule.

  • Question 8
    1 / -0

    Blood cells are formed in bone marrow. In a process known as:

    Solution

    Blood cells are formed in bone marrow .This process is called Haemopoiesis.

  • Question 9
    1 / -0

    Tissue (interstitial) fluid would most likely be found in:

    Solution

    Tissue (interstitial) fluid fills the space between fibres and cells of connective tissue. Loose connective tissue has the most space for fluid to accumulate.

  • Question 10
    1 / -0

    Red bone marrow is not found in:

    Solution

    The yellow bone marrow is composed of fatty tissue. It stores fat and produces blood corpuscles only in emergency situations, is found in the central part of long bones.

  • Question 11
    1 / -0

    Cartilage tissues are generally slow to heal injury because:

    Solution

    Lacking a capillary blood supply, cartilage tissue heals poorly.

  • Question 12
    1 / -0

    The bone of a mammal contains Haversian canals which are connected by transverse canals known as:

    Solution

    Semi-circular canal is found in the internal ear. Inguinal canal connects scrotum with the abdominal cavity in the male mammal. Bidder's canal is found in the male frog.

  • Question 13
    1 / -0

    Clot of blood contains:

    Solution

    Fibrin is the clot which is formed when fibrinogen is acted upon by thrombin in the presence of calcium. If forms a Fibrous mesh that impedes the flow of blood.

  • Question 14
    1 / -0

    An example of a holocrine gland is:

    Solution

    Sebaceous glands are holocrine glands because they secrete by discharging entire cells full of product (sebum).

  • Question 15
    1 / -0

    In which of the following condition, effect of atomic warfare is the development of buccalulcers, colon ulcer and lung infection, this is because of:

    Solution

    Agranulocytes like lymphocytes (20-30) and monocytes (2-8%) are responsible for antibody formation and phagocytosis respectively.

  • Question 16
    1 / -0

    pH of human blood is:

    Solution

    pH of human blood is 7.4

  • Question 17
    1 / -0

    Epithelial tissues arise from:

    Solution

    Following embryonic layers give rise to - Ectoderm -    Epidermis Mesoderm -    Mesothelium Endoderm -   Epithelium of alimentary canal.

  • Question 18
    1 / -0

    The function of dense regular connective tissue is:

    Solution

    Dense regular connective tissue forms tendons and ligaments, as well as the capsules surrounding various organs.

  • Question 19
    1 / -0

    An example of a apocrine gland is:

    Solution

    Skin are apocrine glands because they absorb different sweet glands.

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