Question

Which is the wet and slippery lump of food that enters from oesophagus to stomach called?

• A. Chyme
• B. Chyle
• C. Bolus
• D. Porridge

Hint:

Digestive terms:
• Bolus \( \rightarrow \) Food in mouth
• Chyme \( \rightarrow \) Food in stomach
• Chyle \( \rightarrow \) Lymph fluid

Answer 1

The Correct Option is C

Concept:
During digestion, food undergoes several stages. When food is:
• Chewed properly
• Mixed with saliva it becomes a soft, wet, slippery mass called: \[ \boxed{\text{Bolus}} \] The bolus moves through: \[ \text{Mouth} \rightarrow \text{Oesophagus} \rightarrow \text{Stomach} \]

Step 1: Understand bolus formation.
Inside the mouth:
• Teeth chew food
• Saliva moistens food
• Tongue rolls food into a lump This lump is called bolus.

Step 2: Differentiate similar terms.
Bolus:
• Food lump formed in mouth Chyme:
• Semi-liquid food in stomach Chyle:
• Milky lymph fluid in intestine

Step 3: Analyze options carefully.
Option (A): Chyme
Formed in stomach. Incorrect. Option (B): Chyle
Lymphatic fluid. Incorrect. Option (C): Bolus
Wet slippery food lump entering stomach. Correct. Option (D): Porridge
Not biological term here. Incorrect.

Step 4: Select the correct answer.
Therefore, the wet slippery lump of food is called: \[ \boxed{\text{Bolus}} \] Hence, \[ \boxed{(3)\ \text{Bolus}} \]