Differentiate between prokaryotic and eukaryotic cells.

5

(a)

What is endome.mbrane system in a cell?

5

(a)

What is the benefit of cell walls, in plant cells?

5

(a)

The diagram shows some of the structures present in an animal cell.

Which of these structures is responsible for
(i) Manufacture of lipids and steroids 
(ii) Release of energy
(iii) Manufacture of hormones and digestive enzymes
(iv) Production of spindle fibres in cell division 
(v) Endo and exocytosis?

5

(a)

Describe the structure of the following with the help of labelled diagrams.
(i) Nucleus
(ii) Centrosome

5

(a)

Name two cell-organelles that are double membrane bound. What are the characteristics of these two organelles? State their functions and draw labelled diagrams of both.

5

(a)

What is a centromere? How does the position of centromere form the basis of classification of chromosomes. Support your answer with a diagram showing the position of centromere on different types of chromosomes.

5

(a)

With suitable diagram describe animal cell.

5

(a)

Give a detail description of plastids with the help of suitable diagram.

5

(a)

Describe cilia and flagella of eukaryotic cell. How are flagella of eukaryotes different from those of prokaryotic cell?

5

(a)