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Which of the following best describes th...

Which of the following best describes the role of the structure marked as Y in the given figure ?

A

Connect the mouth to the stomach in which starch is continue to digest

B

Mucus is secreted to protect the oesophagus from the stomach enzymes

C

Digestive enzymes are secreted as food passes from the oesophagus to the stomach

D

Connects the mouth to the stomach and has no function in chemical digestion.

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The correct Answer is:
A
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ALLEN-BIOLOGY AT A GLANCE (ZOOLOGY )-EXERCISE
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  2. The given figure shows a section of small intestinal mucosa showing vi...

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  3. Which of the following best describes the role of the structure marked...

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  4. Which of the following is the correct chronological order for flow of ...

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  5. Following are given parts of small and large intestine. (i)Cecum (i...

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  6. Study the statement given below and answer the question " Even though ...

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  7. What will be the P(O2) and P(CO2) in the atmospheric air compared to t...

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  8. Match the column I with column ll

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  9. Which of the following statement is correct?

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  10. What is the function of pleural fluid?

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  11. Which of the following part of respiratory system form exchange part?

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  12. Select the correct option for conducting.system of respiratory system

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  13. Thoracic chamber is formed by

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  14. Inspiration can occur if

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  15. Select the correct option for expiration

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  16. In which of the following respiratory volume is correctly match with t...

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  17. (A) inspiratory capacity (B) expiratory capacity (C) functional ...

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  18. Which of the following statement is correct about alveoli?

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  19. How much oxygen is normally delivered by 100 ml of oxygenated blood to...

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  20. Consider the given statements and select correct statement for transpo...

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