alleryWhere is bile stored until food enters the duodenum?
- Pancreas
- Spleen
- Gallbladder
- Stomach
Show answer and solution
Correct answer: C. Gallbladder
Bile made in the liver is held in the gallbladder and released when needed.
RRB NTPC Science & Technology — practice questions — page 2
Explore 82 free Science & Technology questions in RRB NTPC Science. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 31–60 of 82.
Where is bile stored until food enters the duodenum?Read the answer and worked solution →What is the major pigment found in bile?Read the answer and worked solution →What is the digestive role of bile salts in the small intestine?Read the answer and worked solution →Which hormone triggers the gallbladder to release bile?Read the answer and worked solution →Which hormone does the pancreas release when blood sugar becomes high?Read the answer and worked solution →Which pancreatic hormone is released when blood sugar is low?Read the answer and worked solution →The pancreas works as which kind of gland?Read the answer and worked solution →In which organ does most digestion of food take place?Read the answer and worked solution →Which is the last part of the small intestine?Read the answer and worked solution →Absorbed fat particles enter which lymph capillaries in the villi?Read the answer and worked solution →What is the milky fluid of absorbed fats in the lacteals called?Read the answer and worked solution →Food spends roughly how long passing through the colon?Read the answer and worked solution →About how long is the whole GI tract from mouth to anus?Read the answer and worked solution →What is the average length of the human esophagus?Read the answer and worked solution →What are the rhythmic muscle waves that push food down the esophagus called?Read the answer and worked solution →Salivary amylase converts starch into which sugar?Read the answer and worked solution →Which are the largest of the salivary glands?Read the answer and worked solution →How many pairs of main salivary glands do humans have?Read the answer and worked solution →The palate separates the oral cavity from which cavity?Read the answer and worked solution →Gut bacteria produce biotin and which other vitamin?Read the answer and worked solution →Sunlight on the skin helps the body make which vitamin?Read the answer and worked solution →The body makes vitamin A from which precursor?Read the answer and worked solution →Niacin can be synthesised in the body from which amino acid?Read the answer and worked solution →Deficiency of thiamine (vitamin B1) causes which disease?Read the answer and worked solution →Niacin (vitamin B3) deficiency leads to which disease?Read the answer and worked solution →Which disease results from a lack of vitamin C?Read the answer and worked solution →Which deficiency disease is linked to a lack of vitamin D?Read the answer and worked solution →Which three vitamins are stored mainly in the liver in large amounts?Read the answer and worked solution →Why are vitamins B and C lost when vegetables are boiled?Read the answer and worked solution →The K in vitamin K comes from the Danish word for what?Read the answer and worked solution →
Worked practice questions
What is the major pigment found in bile?
- Haemoglobin
- Melanin
- Carotene
- Bilirubin
Show answer and solution
Correct answer: D. Bilirubin
Bilirubin, from broken-down red blood cells, gives bile its colour.
What is the digestive role of bile salts in the small intestine?
- Emulsifying fats
- Digesting proteins
- Breaking down starch
- Absorbing water
Show answer and solution
Correct answer: A. Emulsifying fats
Bile lowers surface tension and breaks fat into tiny micelles so lipase can act on them.
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