Cells and Tissues – Online MCQs Test – Biology 9th

1. Bacterial cell walls are composed of:

2. In 1833, the center of the cell was seen by:

3. The site where two Centrioles arranged perpendicular to each other is referred to as a:

4. The openings in the cell wall are called:

5. It is found only in the walls of the heart.

6. Types of muscle tissues are:

7. Xylem and phloem, found only in vascular plants, are examples of:

8. It is a thin membranous layer on the outer side of the cell.

9. Lignin is a:

10. It is the outer most living boundary of all cells.

11. It contains enzymes for photosynthesis.

12. Secondary wall is made up of

13. Suspended in the Stroma are stack-like structures called:

14. In 1840, he discovered that sperms and eggs are also cells.

15. In nucleus an aggregation of RNA is also present called:

16. They are not composed of cells.

17. It is also called ‘powerhouse’ of a cell.

18. They are found surrounding the ducts of many glands, including mammary glands in the breast and salivary glands in the mouth.

19. It is a cylindrical tube-like structure that is composed of 27 microtubules.

20. It is a tough, rigid non-living and permeable protective layer.