Question 5 of 9beginner💡 UnderstandMatching4 marks

Match Column I with Column II: Column I (a) Smooth muscle (b) Tropomyosin (c) Red muscle (d) Skull Column II (i) Myoglobin (ii) Thin filament (iii) Sutures (iv) Involuntary

Correct Answer

(a) iv

(b) ii

(c) i

(d) iii

Exercise: EXERCISES | Q: 6 | (Page 312)
For More Understanding

Explanation

The correct matches are: (a) Smooth muscle - (iv) Involuntary, as smooth muscles are involuntary in nature; (b) Tropomyosin - (ii) Thin filament, as the thin filament of myofibril contains actin along with proteins like tropomyosin and troponin; (c) Red muscle - (i) Myoglobin, as muscles are classified as Red and White fibres based primarily on the amount of red coloured myoglobin pigment in them; (d) Skull - (iii) Sutures, as sutures are the fibrous joints between cranial bones of the skull.

Solution Steps

  1. Step 1: Identify that Red muscles contain myoglobin pigment from the context stating 'Muscles are classified as Red and White fibres based primarily on the amount of red coloured myoglobin pigment in them.'

  2. Step 2: Match Tropomyosin with Thin filament based on the context about thin filaments containing actin and other proteins.

  3. Step 3: Match Skull with Sutures based on the context mentioning joints between cranial bones.

  4. Step 4: Match Smooth muscle with Involuntary by elimination and understanding that smooth muscles function involuntarily.

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