Tag: digestive system of human

Questions Related to digestive system of human

Caecum is large for digestion of cellulose with the help of symbiotic bacteria in

bio-chemistry digestive system of human role of intestine digestion in intestine digestive system - organs

  1. Man

  2. Rabbit

  3. Cat

  4. Frog

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Correct Option: B

Part of alimentary canal meant for reabsorption of water from chyle is

bio-chemistry digestive system of human role of intestine digestion in intestine digestive system - organs

  1. Small intestine

  2. Colon

  3. Large intestine

  4. Rectum

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Correct Option: C

Nonpathogenic bacterium present in large intestine is

bio-chemistry digestive system of human role of intestine digestion in intestine digestive system - organs

  1. Staphylococcus aureus

  2. Escherichia coli

  3. Helicobacter pylori

  4. Leptospira interogans

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Correct Option: B

Digestion of cellulose in Rabbit takes place in

bio-chemistry digestive system of human role of intestine digestion in intestine digestive system - organs

  1. Caecum

  2. Colon

  3. Rectum

  4. Ileum

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Correct Option: A

Some symbiotic microorganisms occur in human body in

bio-chemistry digestive system of human role of intestine digestion in intestine digestive system - organs

  1. Vermiform appendix and rectum

  2. Caecum

  3. Duodenum

  4. Oral lining and tongue surface

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Correct Option: B

Back flow of faecal matter from large intestine is prevented by

bio-chemistry digestive system of human role of intestine digestion in intestine digestive system - organs

  1. Epiglottis

  2. Sphincter of Oddi

  3. Ileocaecal valve

  4. Gastro-oesophageal sphincter

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Correct Option: C

Vermiform appendix arises from

bio-chemistry digestive system of human role of intestine digestion in intestine digestive system - organs

  1. Caecum

  2. Colon

  3. Rectum

  4. Ileum

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Correct Option: A

Argentaffin cells occur in

bio-chemistry digestive system of human role of intestine digestion in intestine digestive system - organs

  1. Large intestine

  2. Stomach

  3. Small intestine

  4. Both B and C

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Correct Option: A

Read the following statements and select the correct option.


Statement 1 : The worm-like structure attached to the caecum at the beginning of the large intestine is known as vermiform appendix.
Statement 2 : Vermiform appendix has no apparent digestive function. 

bio-chemistry digestive system of human role of intestine digestion in intestine digestive system - organs

  1. Both statements 1 and 2 are correct.

  2. Statement 1 is correct but statement 2 is incorrect.

  3. Statement 1 is incorrect but statement 2 is correct.

  4. Both statements 1 and 2 are incorrect.

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Correct Option: A

Which of the following statement is INCORRECT in case of defaecation in the human body?

biology digestive system of human assimilation of food and egestion assimilation of food components and importance of food

  1. Defaecation involves both voluntary and involuntary process

  2. Voluntary contractions of abdominal muscles and diaphragm aid in defaecation

  3. Decrease in intra abdominal pressure aids in the process of defaecation

  4. Distention of rectal wall induces defaecation reflex

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Correct Option: C
Explanation:

Defaecation is the process in which removal of fecal matter outside the body. It involves:-

1)Both voluntary and involuntary process the signal provided can be controlled by the person.
2)Voluntary contractions of abdominal muscles and diaphragm aid in defaecation.
3)Increase in intra abdominal pressure aids in the process of defaecation.
4)Distention of rectal wall induces defaecation reflex.
So the correct option is 'Decrease in intra abdominal pressure aids in the process of defaecation'.