Biology Digestive system Test 16 Welcome to your Biology Digestive system Test 16 Name Email 1.Which part of the digestive system receives secretions from the liver and the pancreas? (a) Large intestines (b) Stomach (c) Gallbladder (d) Small intestines None 2.Complex food substances break down into simpler ones with the help of: (a) hormones (b) enzymes (c) fungi (d) bacteria None 3.Which of the following acids is released by the gastric glands present in the stomach? (a) Acetic acid (b) Nitric acid (c) Citric acid (d) Hydrochloric acid None 4.Which of the following converts glucose into glycogen (a complex carbohydrate used for storage) and amino acids into proteins? (a) Liver (b) Lungs (c) Small intestine (d) Large intestine None 5.Which of the following is the indigestible portion of our diet essential to the health of the digestive system? (a) Fats (b) Roughage (c) Carbohydrates (d) Proteins None 6.A large, muscular sheet called ______ forms the floor of the chest cavity. (a) diaphragm (b) larynx (c) duodenum (d) alveoli None 7.Which of the following statements is INCORRECT? (a) The liver secretes bile. (b) The liver is the largest gland in the body. (c) The liver is situated in the upper part of the abdomen on the left side. (d) The liver is reddish brown in colour. None 8.Which of the following organs secretes hydrochloric acid that helps our body in killing pathogenic bacteria? (a) Brain (b) Heart (c) Kidney (d) Stomach None 9.Hydrochloric acid is secreted in which part of our digestive system? (a) Mouth (b) Stomach (c) Liver (d) Small intestine None 10.Which of the following organs are NOT parts of the Alimentary canal? (a) Colon and rectum (b) Buccal cavity and Oesophagus (c) Stomach and intestine (d) Liver and pancreas None 11.The inner walls of the small intestine have thousands of finger-like outgrowths. These are called: (a) Villi (b) Lumps (c) Benign (d) Myomas None 12.Which among the following is the food tube? (a) Larynx (b) Thymus (c) Oesophagus (d) Aorta None 13.In which of the following parts of the human digestive system is the digestion of food completed? (a) Small Intestine (b) Large Intestine (c) Mouth (d) Stomach None 14.The pouch connected to the junction of small intestine and the large intestine is called: (a) condyle (b) caecum (c) coccyx (d) axilla None 15.Which substance covers the root of the tooth? (a) Cementum (b) Pulp (c) Dentin (d) Enamel None 16.Digestion of food begins in which part of the alimentary canal in human beings? (a) Stomach (b) Small intestine (c) Large intestine (d) Mouth None 17.Which is the longest part in the digestive system of the human body ? (a) Pancreatic duct (b) Small intestine (c) Large intestine (d) Oesophagus None 18. In which part of the alimentary canal, the complete digestion of fat takes place? (a) Large intestine (b) Small intestine (c) Stomach (d) Mouth None 19.. Tooth Enamel Is Made Up Of (a) Calcium Sulfate (b) Calcium Silicate (c) Calcium Carbonate (d) Calcium Phosphate None 20.Which of the below mentioned human organs can regrow after damage in adults? (a) Kidney (b) Liver (c) Gallbladder (d) Lung None 21.In which of the following organs of the human body are carbohydrates stored as glycogen? (a) Stomach (b) Liver (c) Small intestine (d) Large int None 22.Which of the following is a vestigial organ? (a) Heart (b) Kidney (c) Lungs (d) Appendix None 23.Bariatric surgery brings changes in a person's __________. (a) Heart (b) nasal passage (c) Lungs (d) Digestive System None 24.How many ‘canine teeth’ does an adult human have? (a) 8 (b) 4 (c) 3 (d) 2 None Time's up