Ncert Exercises & Solutions

Match the following columns and select the correct among options given.

Column I		Column II
A	Biomacromolecules of food	1	Alimentary canal and associated gland
B	Human digestive system	2	Embedded in jaw bones
C	Stomach	3	Outer wall of visceral organs
D	Thecodont	4	-Converted into simple substances
E	Serosa	5	J-shaped bag like structure

Codes

1. A-2, B-1, C-5, D-3, E-4

2. A-4, B-1, C-5, D-2, E-3

3. A-1, B-2, C-3, D-4, E-5

4. A-1, B-3, C-2, D-4, E-5

(b) Biomacromolecules of food like carbohydrates, fats, proteins and nucleic acid are converted into simpler monomers during the digestion process.

Human digestive system consists of alimentry canal and its associated gland.

Stomach is the widest Organ of the alimentry canal. It is a J-shaped bag like Structure, and plays an important role in digestion.

Thecodont are teeth that are embedded in the sockets of the jaw bones.

Serosa is an another name for serous membrane, forming outer wall of the visceral organs.

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