Question

Which of the following statements is / are correct? 1) centrioles are present in all animal cells and absent in all plant cells. 2) The store houses of the both in plants and animal cells are the main arena to perform various cellular activities. 3) The shape of the cell may vary with the function they perform. 4) Eukaryotic living cell was first discovered in cell biology

Answer 1

Answer:

1) and 3)

Explanation:

3) They may be disc like, polygonal, columnar, cuboid, thread like, or even irregular. The shape of the cell may vary with the function they perform e.g., xylem vessels are long as they have to form long water conducting channels.

1)   While both animal and plant cells have microtubule organizing centers (MTOCs), animal cells also have centrioles associated with the MTOC: a complex called the centrosome. Animal cells each have a centrosome and lysosomes, whereas plant cells do not