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Q45 (NDA-II/2012) Science & Technology › Basic Science (Physics, Chemistry, Biology) › Human anatomy physiology Answer Verified

Which of the following group is present in animal cells?

Result
Your answer: —  Â·  Correct: C
Explanation

Animal cells are eukaryotic cells characterized by the presence of a membrane-bound nucleus, cytoplasm, and various organelles like mitochondria [2]. The cell membrane (plasma membrane) encloses the cytoplasm and nucleus, regulating the entry and exit of materials [1]. Unlike plant cells, animal cells lack a cell wall and chloroplasts, which are specific to plants for structural support and photosynthesis [3]. While plant cells typically contain a large central vacuole for turgor pressure, animal cells either lack vacuoles or possess very small, temporary ones [3]. Therefore, the group containing the nucleus, cell membrane, mitochondria, and cytoplasm correctly identifies components universally present in animal cells [4]. Option 1 is incorrect due to the 'cell wall', and Option 2 is incorrect due to 'chloroplasts', both of which are plant-specific structures [3].

Sources

  1. [2] Science ,Class VIII . NCERT(Revised ed 2025) > Chapter 2: The Invisible Living World: Beyond Our Naked Eye > 2.5 Why Is Cell Considered to Be a Basic Unit of Life? > p. 24
  2. [1] Science ,Class VIII . NCERT(Revised ed 2025) > Chapter 2: The Invisible Living World: Beyond Our Naked Eye > Activity 2.3: Let us investigate > p. 12
  3. [3] Science ,Class VIII . NCERT(Revised ed 2025) > Chapter 2: The Invisible Living World: Beyond Our Naked Eye > A step further > p. 13
  4. [4] Science , class X (NCERT 2025 ed.) > Chapter 5: Life Processes > QUESTIONS > p. 82
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