Cell structure and function Worksheet-5

Cell structure and function Worksheet-5

11. Organelle connected with protein synthesis is-

A. Chloroplast                               B. Ribosome

C. Pyrenoid                                    D. Mitochondria

12. Prokaryotic organisms do not have-

A. True nucleus                             B. Nuclear membrane

C. Histone protein                        D. All of these

13. Nucleus is surrounded by -

A. Single membrane                    B. Double membrane

C. Triple membrane                    D. No membrance at all.

14. Controlling centre of the cell is-

A. Nucleoplasm                            B. Nuclear chromatin       

C. Nucleolus                                  D. Nucleus

15. Endoplasmic reticulum often bears-

A. Peroxisome                               B. Glyoxisome

C. Lysosome                                  D. Ribosome

16. Mitochondria and chloroplasts are.....of cell-

A. Power house and kitchen

B. Guard and Power house

C. Kitchen and Guard

D. Power house and secretory bags

17. Chlorophyll pigment is found in-

A. Chloroplast                               B. Mitochondria

C. Nucleus                                      D. Cytoplasm

18. Which of the following are completely absent in animal cell ?

A. Ribosomes                                B. Large vacuoles

C. Golgi body                                 D. Nucleus

19. A prokaryotic cell does not have-

A. Nuclear membrane                B. DNA

C. Cell membrane                        D. Organelles

20. Physical basis of life is-

A. Nucleus                                      B. Protoplasm

C. Cell                                             D. Food

21. Animal cell can be distinguished from a plant cell in having -

A. Centrosome                              B. Golgi body

C. Vacuole                                      D. Plastid

22. Longest cell in Human body is nerve fiber. The smallest cell is-

A. Human egg                               B. Fat cell

C. Nephron                                    D. Neuron

Answer Key:

11. B

12. D

13. B

14. D

15. D

16. A

17. A

18. B

19. A

20. C

21. A

22. A