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Structural Organisation in Animals Test - 23

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Structural Organisation in Animals Test - 23
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  • Question 1
    1 / -0
    Myoglobin is found in
    Solution
    Myoglobin is a protein found in the muscle cells of animals. It functions as an oxygen-storage unit, providing oxygen to the working muscles.
    Thus, the correct answer is option (A), 'Muscles'.
  • Question 2
    1 / -0
    Which of the following cells contain the same kind of cell as shown in the figure given below?

    Solution
    The given image represents the cheek cell. It is a squamous epithelial cell in which there is a cell membrane, which acts as the outer protective covering. There is a single nucleus at the center and there is dense cytoplasm. 
    Thus, the correct answer is option B. 
  • Question 3
    1 / -0
    Which of the following types of tissues support, defend and store food in the body?
    Solution
    Blood, bone, tendon, cartilage, ligament, areolar tissue and adipose tissue are various types of connective tissue. Blood is a fluid connective tissue that consists of WBCs that form the body's immune system. Bone, cartilage, tendon and ligament have supportive functions while the areolar tissue supports internal organs and helps in their repair. Adipose tissues store food and fats.
    Thus, the correct answer is option D. 
  • Question 4
    1 / -0
    Jumping of a frog is regulated by_______________________.
    Solution
    Jumping of a frog is a body movement. Body movement is carried out by muscles, which are attached to bones. Such muscles are called skeletal muscles. These muscles can be controlled by the organism's will. Hence, they are voluntary muscles. So, the correct answer is option A.
  • Question 5
    1 / -0
    Uric acid is the chief nitrogenous component of the excretory products of -
    Solution
    Answer: (D) Cockroach.
    Explanation:
    • Those animals that excrete nitrogenous wastes as uric acid in form of pallets in order to minimize water loss are called uricotelic animals.
    • A cockroach is a uricotelic insect.
    Hence, uric acid is the chief nitrogenous component of the excretory products of cockroaches.
  • Question 6
    1 / -0
    While doing work and running, you move your organs like hands, legs etc. Which among the following is correct?
    Solution
    • Smooth muscles are located in the visceral organs of the body. For example, urinary bladder, uterus, respiratory tract, etc. 
    • These muscles are not connected to bones and do not function in movements like walking and running. 
    • In contrast, skeletal muscles attach directly to the skeleton which synchronizes the movement of muscles with bones. 
    • These skeletal muscles are attached to bones with a tough, flexible band of fibrous connective tissue called tendon. 
    • When the skeletal muscles contract, it pulls the tendon attached to the bone, aiding to the movement of bones. 

    Thus, the correct answer is option D - 'Skeletal muscles contract and pull the tendon to move the bones.'
  • Question 7
    1 / -0
    Which of the following helps in repair of tissue and fills up the space inside the organ?
    Solution
    • Areolar tissue helps in the repair of tissue and fills up space inside the organ. 
    • The ground substance of areolar tissue fills all of the spaces between the cells and fibres.
    • It is found in many locations around the body. 
    • The areolar tissue located on the skin binds the outer layers of the skin to the muscles beneath. 
    So, the correct answer is option C.
  • Question 8
    1 / -0
    The muscle type which functions throughout life continuously without fatigue is_____________________.
    Solution
    Cardiac muscle can function without fatigue and with efficiency throughout life in an individual by themselves.
    So, the correct answer is option B.
  • Question 9
    1 / -0
    Identify the type of muscle given in the figure.

    Solution
    • Visceral muscles are also called smooth muscles they are not striated, not branched, and singly nucleated. 
    • Skeletal muscles are striated, not branched, and multinucleated.
    • Whereas, the figure shows uninucleated, striated and branched muscle. This type of muscle is found in the heart and is known as cardiac muscle.
    • Hence, the given image is of cardiac muscle. 
    Thus, the correct answer is option C.
  • Question 10
    1 / -0
    Lining of blood vessels is made up of
    Solution
    Correct Option: A
    Explanation:
    All blood vessels are lined by simple squamous epithelium called the endothelium.
    A simple squamous epithelium may be a single layer of flat cells in touch with the basal lamina (one of the 2 layers of the basement membrane) of the epithelium. This sort of epithelium is usually permeable and present where small molecules get to pass easily through membranes via filtration or diffusion.
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