question_answer 21)

Match the following columns.

Column I	Column II
a. Duodenum	1. A cartilaginous flap
b. Epiglottis	2. Small blind sac
c. Glottis	3. ?U? shaped structure emerging
d. Caecum	4. Opening of wind pipe.

Code (a)A-'1, B-2, C-3,D-4                                                        (b) A-4, B-3, C-2, D-1 (c) A-3, B-1,  C-4, D-2                                                      (d) A-2, B-4, C-1, D-3

Answer:

                (c) Duodenum is a 'U' shaped structure emerging from the stomach. Epiglottis is a cartilaginous flap that prevents the entry of food into the glottis. Glottis is the opening of the wind pipe. Caecum is a small blind sac which hosts some symbiotic microorganisms that helps in the digestion process.