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Read the following statements and select...

Read the following statements and select the correct option
(i) Blood cells secrete fibres of structural proteins called collagen and elastin
(ii) Neuroglial cells protect and support the nephrons
(iii) Osteocytes are present in spaces called lacunae
(iv) Striated muscle fibres are bundled together in a parallel fashion
(v) Biceps are involuntary and striated.

A

Statements (iii) and (iv) are incorrect

B

Statement (ii) and (iv) are incorrect

C

Statement (i) and (iii) are incorrect

D

Statements (i),(ii) and (v) are incorrect.

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question, we need to evaluate each statement provided and determine which ones are correct. Let's analyze them one by one: 1. **Statement (i)**: "Blood cells secrete fibres of structural proteins called collagen and elastin." - **Analysis**: This statement is incorrect. Blood cells do not secrete collagen and elastin; these proteins are secreted by fibroblasts, which are a type of connective tissue cell. Collagen and elastin are structural proteins found in connective tissues, not produced by blood cells. 2. **Statement (ii)**: "Neuroglial cells protect and support the nephrons." - **Analysis**: This statement is also incorrect. Neuroglial cells (or glial cells) are responsible for supporting and protecting neurons in the nervous system, not nephrons, which are the functional units of the kidney. 3. **Statement (iii)**: "Osteocytes are present in spaces called lacunae." - **Analysis**: This statement is correct. Osteocytes are mature bone cells that reside in small cavities known as lacunae within the bone matrix. 4. **Statement (iv)**: "Striated muscle fibres are bundled together in a parallel fashion." - **Analysis**: This statement is correct. Striated muscle fibers, such as skeletal muscle fibers, are indeed organized in bundles that run parallel to each other, which contributes to their striated appearance. 5. **Statement (v)**: "Biceps are involuntary and striated." - **Analysis**: This statement is incorrect. The biceps muscle is a voluntary muscle and is striated, meaning it is under conscious control and has a striped appearance due to its organized structure. **Conclusion**: The correct statements are (iii) and (iv). Therefore, the correct option would be the one that indicates that statements (iii) is correct. ### Final Answer: - Statements (iii) and (iv) are correct. The correct option is the one that includes these statements.
To solve the question, we need to evaluate each statement provided and determine which ones are correct. Let's analyze them one by one: 1. **Statement (i)**: "Blood cells secrete fibres of structural proteins called collagen and elastin." - **Analysis**: This statement is incorrect. Blood cells do not secrete collagen and elastin; these proteins are secreted by fibroblasts, which are a type of connective tissue cell. Collagen and elastin are structural proteins found in connective tissues, not produced by blood cells. 2. **Statement (ii)**: "Neuroglial cells protect and support the nephrons." - **Analysis**: This statement is also incorrect. Neuroglial cells (or glial cells) are responsible for supporting and protecting neurons in the nervous system, not nephrons, which are the functional units of the kidney. ...
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Explore conceptually related problems

Read the following statements and select the correct option (A) Blood cells serete fibres of structural proteins called collagen or elastin (B) Neuoglial cells protect and support the nephrons (C) Osteocytes are present in spaces called lacunae (D) Striated muscle fibres are bundled together in a parallel fastion (E) Bieps are involuntary and striated.

Read the statements and choose the correct option 1.Neuroglial cells protect and support the neurons 2.Cartilage has a hard and nonpliable matrix rich in magnesium salts 3.Smooth muscles are striated 4.Chondrocytes are bone forming cells 5. Biceps are parallely bundled.

Knowledge Check

  • Read the following statement and select the correct option Statement 1 : Cardiac muscle of the heart is striated and has intercalated discs between its fibres (cells) Statement 2 : It provides quick, powerful and rhythmic contractions to the heart.

    A
    Both statement 1 and 2 correct
    B
    statement 1 is correct but statement 2 is incorrect
    C
    statement 1 is incorrect but statement 2 is correct
    D
    Both statements 1 and 2 are incorrect

  • Consider the following four statements (i)-(iv) and select the correct option. (i) Actin is present in thin filament. (ii) H-zone of striated muscle fibre represents both thick and thin filaments. (iii) There are 11 pairs of ribs in man. (iv) Sternum is present on ventral side of the body.

    A
    `{:("(i)","(ii)","(iii)","(iv)"),(F,F,T,F):}`
    B
    `{:("(i)","(ii)","(iii)","(iv)"),(F,F,F,T):}`
    C
    `{:("(i)","(ii)","(iii)","(iv)"),(T,F,F,T):}`
    D
    `{:("(i)","(ii)","(iii)","(iv)"),(T,F,T,F):}`

  • Consider the following four statements (i)-(iv) and select the correct option (i) Fish heart contains only oxygenated blood (ii) Closure of A-V valves produces the second heart sound (iii) The vascular connection between the digestive track and kidney is called hepatic portal system (iv) Purkinje fibres are nerve fibres present in the heart wall.

    A
    `{:("(i) (ii) (iii) (iv)"),("F F T F"):}`
    B
    `{:("(i) (ii) (iii) (iv)"),("F F F T"):}`
    C
    `{:("(i) (ii) (iii) (iv)"),("T T F T"):}`
    D
    `{:("(i) (ii) (iii) (iv)"),("T F T F"):}`

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