Cells and Tissues – Online MCQs Test – Biology 9th

1. The cell membrane is composed of a double layer of special lipids called:

2. In hypertonic conditions, a plant cell:

3. Cell organelle found in animal cell and helps intracellular digestion

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

5. A photograph of an image taken through a microscope is called:

6. The cells of these tissues do not have the ability to divide.

7. It is said to occur down a concentration gradient.

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

9. It is only found in cells which provide mechanical support in plants.

10. Cytoplasm consists of up to:

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

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

13. Within the double membrane of chloroplast is a gel-like substance called:

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

15. It plays an important role in hydrolysis, excretion of cellular waste, storage of water, organic and inorganic substances.

16. They are exclusively found in the excretory system.

17. Plant and animal cells are:

18. Nervous tissue is composed of:

19. They proposed the Fluid Model of the cell membrane in 1972.

20. When a plant loses water, cytoplasm: