WBCS.LIVE practice question

Unlike animal cells, plant cells have a rigid outer cell wall primarily composed of what?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Chitin
  2. Peptidoglycan
  3. Glycogen
  4. Cellulose

Correct answer and explanation

Correct answer: Cellulose

Explanation: āœ… Correct Answer: D) Cellulose šŸ“š Explanation: While both animal and plant cells possess a flexible cell membrane, plant cells are additionally protected by a thick, rigid outer boundary called the cell wall. This strong cell wall is primarily composed of cellulose, a complex structural carbohydrate. It provides immense mechanical support to the plant, allowing it to stand tall and resist heavy osmotic pressure.