A small projection on the surface of small intestine is known as

  • hair
  • grass
  • villi
  • loops

The process of breaking down food into smaller molecules is known as

  • digestion
  • breakage
  • crushing
  • grinding

The length of small 'intestine' is

  • 90% of the alimentary track
  • 80% of the alimentary track
  • 70% of the alimentary track
  • 60% of the alimentary track

Too much acid in the stomach can cause

  • infection
  • burning
  • fever
  • ulcer

The alimentary canal is approximately

  • 10 feet long
  • 20 feet long
  • 10 meters long
  • 12 yards long

The component of plants that our stomach cannot digest is

  • vitamin
  • mineral
  • cellulose
  • centrioles

The first step in digestion process is

  • chewing
  • digestion
  • ingestion
  • egestion

Eating food quickly stimulates the production of

  • saliva
  • enzymes
  • acid and gastric juice
  • alkali

Muscles contraction in 'esophagus' is known as

  • pushing
  • peristalsis
  • analysis
  • momentum

The chemical breakdown of food is because of

  • chewing
  • digesting
  • acids and chemicals
  • alkalis

The common name for the 'enzymes' which digest protein is

  • pepsin
  • renin
  • maltase
  • protease

The large molecules in the food that we eat are

  • carbohydrates and fats
  • fats and proteins
  • carbohydrates, fats and proteins
  • carbohydrates and proteins

The acid in the stomach provides

  • acidic medium for enzymes
  • space for more food
  • alkaline medium for enzymes
  • nutrients to food

Conversion of starch into glucose and other simple sugars is generally known as

  • amylase
  • maltase
  • carbohydrate
  • lipase

To enter the blood vessels, large molecules are

  • burned
  • digested
  • ingested
  • absorbed

Amino acids are basically used for

  • respiration
  • photosynthesis
  • growth and repair
  • digestion

The diameter of small intestine is

  • 2 cm
  • 3 cm
  • 2 inch
  • 3 inch

Excessive carbohydrates are converted into

  • fats and proteins
  • fats only
  • proteins only
  • minerals

The digestive track runs from

  • mouth to rectum
  • mouth to anus
  • gullet to stomach
  • stomach to anus

The stomach can hold

  • 1 liter food
  • 2 liters food
  • 1.5 liters food
  • 2.5 liters
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