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Structural Organisation In Animals

Question
CBSEENBI11001720
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Distinguish between

(a) Simple epithelium and compound epithelium.

Solution

Simple epithelium

Compound epithelium

1. It is composed of only one layer of cells.

2. It is mainly involved in the function of absorption and secretion.

3. It is present in the lining of the stomach, intestine.

1. It is composed of many layers of cells.

2. It is mainly involved in the function of protection and has a limited role in absorption and secretion.

3. It is present in the lining of the pharynx and buccal cavity.

Some More Questions From Structural Organisation In Animals Chapter

Answer in one word or one line.

(i) Give the common name of Periplanata americana.   

Answer in one word or one line.    

(ii) How many spermathecae are found in earthworm?         

Answer in one word or one line. 

(iii) What is the position of ovaries in cockroach?

Answer in one word or one line.            

(iv) How many segments are present in the abdomen of cockroach?                                     

Answer in one word or one line. 

(v) Where do you find Malpighian tubules?

Answer the following

(i) What is the function of nephridia?

Answer the following:

(ii) How many types of nephridia are found in earthworm based on their location?

Draw a labelled diagram of the reproductive organs of an earthworm. 

Draw a labelled diagram of alimentary canal of a cockroach.                                                   

Distinguish between the following

(a) Prostomium and peristomium

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