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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

ther 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. 1. **Esophagus does not secrete any enzyme.** - The esophagus is a muscular tube that connects the throat (pharynx) with the stomach. Its primary function is to transport food from the mouth to the stomach. It does not secrete digestive enzymes because no digestion occurs in the esophagus. Therefore, this statement is **true**. 2. **Gallbladder is absent in horse.** - Horses do not have a gallbladder. Instead, bile produced by the liver is continuously secreted into the intestines. This adaptation allows horses to digest food more efficiently, especially since they graze frequently. Thus, this statement is **true**. 3. **Human teeth are thecodont.** - The term "thecodont" refers to a type of dentition where teeth are set in sockets in the jawbone. Humans indeed have this type of dentition, where their teeth are embedded in the jawbone. Therefore, this statement is **true**. 4. **There are two pairs of salivary glands in humans.** - Humans actually have three pairs of major salivary glands: the parotid glands, the submandibular glands, and the sublingual glands. Therefore, this statement is **false**. Based on the analysis, the false statement is: **"There are two pairs of salivary glands in humans."**
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