Class 9 Science

Class 9 daily Science worksheet

Name the structure and explain its role in a short phrase.

Name ________________________Date ______________

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Practice questions

  1. Which organelles produce most ATP during aerobic respiration?
  2. What helps keep many plant cells firm by holding cell sap?
  3. What controls movement of substances into and out of a cell?
  4. Which structure gives a plant cell a rigid outer boundary?