Consider the following statements in respect of cell and its structure : I. All cells possess cell wall. II. All cells have ribosomes present inside. III. All cells have well-organized nucleus. IV. All cells have linear DNA molecules present in them. Which of the statements given above is/are correct?

  1. A. II and III
  2. B. II only ✓
  3. C. II and IV
  4. D. I and III

Correct Answer: B. II only

Explanation

Only statement II is correct because ribosomes are universal to all living cells. Statements I, III, and IV are incorrect as animal cells lack cell walls, and prokaryotes lack a well-organized nucleus and linear DNA.

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