Q59 of 59 Page 39

Draw a neat diagram of plant cell and label any three parts which differentiate it from animal cell.

The following diagram is of plant cell and the main parts which makes a plant cell different from animal cell are:

1) Chloroplast: Chloroplast are contains chlorophyll and the process of photosynthesis takes inside them.


2) Vacuole: Vacuole is a space inside the cytoplasm of a cell which contains fluid. It is enclosed by a membrane.


3) Cell Wall: The outermost layer of cells in plants, bacteria, fungi, and many algae that gives shape to the cell and protects it from infection is called as cell wall. It is made up mostly of cellulose.



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55

Draw a neat labelled diagram of an animal cell.

56

Draw a well labelled diagram of an eukaryotic nucleus. How is it different from nucleoid?

57

Differentiate between rough and smooth endoplasmic reticulum. How is endoplasmic reticulum important for membrane biogenesis?

58

In brief state what happens when

(a) dry apricots are left for some time in pure water and later transferred to sugar solution?


(b) a Red Blood Cell is kept in concentrated saline solution?


(c) the Plasma-membrane of a cell breaks down?


(d) rheo leaves are boiled in water first and then a drop of sugar syrup is put on it?


(e) golgi apparatus is removed from the cell?