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Identify the false statement:...

Identify the false statement:

A

Oesophagus does not secrete any enzyme

B

gall bladder is absent in horse

C

human teeth are thecodont

D

there are two pairs of salivary glands in humans

Text Solution

AI Generated Solution

The correct Answer is:
To identify the false statement among the given options, we will analyze each statement one by one. ### Step-by-Step Solution: 1. **Statement 1: The esophagus does not secrete any enzyme.** - The esophagus primarily functions to transport food from the mouth to the stomach. While it does secrete mucus to facilitate this movement, it does not produce any digestive enzymes. - **Conclusion:** This statement is **true**. 2. **Statement 2: Gallbladder is absent in horses.** - In horses, the gallbladder is indeed absent. Instead, bile produced by the liver is continuously secreted into the small intestine. - **Conclusion:** This statement is **true**. 3. **Statement 3: Human teeth are thecodont.** - The term "thecodont" refers to teeth that are set in sockets (alveoli) in the jawbone. Human teeth are classified as thecodont because they are embedded in the jawbone. - **Conclusion:** This statement is **true**. 4. **Statement 4: There are two pairs of salivary glands in humans.** - Humans actually have three pairs of major salivary glands: the parotid glands, submandibular glands, and sublingual glands. Therefore, the statement claiming there are only two pairs is incorrect. - **Conclusion:** This statement is **false**. ### Final Answer: The false statement is: **There are two pairs of salivary glands in humans.** ---
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