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WorksheetsScience Form 2_Chap 3.4 Absorption,Transportation,Defecation
Total questions: 20
Worksheet time: 12mins
The structure shown is a villus. How the structure enables the digested food to be absorbed easily?
This structure has a one-cell thick wall.
This structure has a thick wall.
The process of elimination of faeces from the body is called .................
assimilation
absorption of digested food.
chemical digestion
defecation
Which statement is correct regarding the importance of fibre?
Helps to stimulate peristalsis and prevents constipation.
Controls and regulates the body temperature in our body.
The main site of absorption of water is
stomach
duodenum
large intestine
oesophagus
Which of the following is/are absorbed into the network of blood capillaries of villi?
Glycerol
Glucose
Glycogen
Sucrose
Which of the following is/are the function of large intestine?
Digest food materials
Absorb digested food
Absorb water from indigestible materials
Stores indigestible materials
Egestion/defecation refers to the removal of
undigested food
nutrients
food
carbon dioxide
Diagram shows the set-up of an apparatus to investigate the digestion and absorption of starch. The distilled water in the beaker is then tested with iodine solution. Which of the following changes can be observed?
The mixture turns dark blue
A brick-red precipitate is formed
A white precipitate is formed
No change are observed
What is the meaning of assimilation process?
The distribution of the end products of digestion for the use of body cells
The transportation of the end products of digestion for the use of body cells
The breakdown of food through muscle contractions and relaxations
The movement of food through muscle contractions and relaxations
Which of the following statements is correct about the human digestive system?
Faeces are formed in the stomach
Defecation require the muscular contraction of the wall of the small intestine
The digestion of food is completed in the stomach
The reabsorption of water occur in the large intestine
Iodine is to test the presence of ............ in the food.
carbohydrates
starch
fat
proteins
Water from the undigested food is absorbed mainly in the ...............
stomach
oesophagus
small intestine
large intestine
............... is used for repair damaged tissue in the body as well as to replace dead cells.
Glucose
Amino acid
Fatty acid and glycerol
............... is the end product of fat which used as heat insulator and to protect internal organs.
Glucose
Amino acid
Fatty acid and Glycerol
In the villi, what is absorbed through the blood capillaries?
Fatty Acids and Glycerol
Amino Acids and Glucose
Fatty Acids and Glucose
In the villi, what is absorbed through the lacteal?
Fatty Acids and Glycerol
Amino Acids and Glucose
Amino Acids and Glucose
Fatty Acids and Glucose
Which of the following statements is true about villi?
Blood capillaries absorb glycerol and amino acids.
Blood capillaries absorb glucose and fatty acids.
Lacteals absorb glycerol and fatty acids.
Lacteals absorb glucose and fatty acids.
What is the process of wave-like muscle contractions that moves food through the digestive tract?
Pericardium
Peristalsis
Pepsin
Pericoronitis
What are these structures call that are found on the lining of the small intestine?
Gallbladder
Villi
Sphincter
Duodenum
