Digestion and Absorption (Class - XI)
| Description: Digestion and Absorption | |
| Number of Questions: 15 | |
| Created by: Preeti Dasgupta | |
| Tags: Digestion and Absorption XI Biology Digestive system Absorption of digested products Disorders of digestive system Alimentary Canal Anatomy Digestion Anatomy of Stomach Digestive Glands Digestive Glands:Salivary Glands Digestive Glands:Pancreas Disorders of Digestive System |
Of the 32 permanent teeth in an adult human mouth, which of the following types of teeth are 12 in number?
Pharynx is a part of the alimentary canal that serves as a passage for food and air. Which of the following open into the pharynx?
a. Oesophagus b. Trachea c. Jejunum d. Caecum
Which of the following statements is/are false?
a. Cardiac portion, fundic portion and pyloric portion are the three major parts of a human stomach. b. Oesophagus is a tube that extends posteriorly, passing through the neck, thorax and diaphragm. c. Vermiform appendix is a narrow, finger-like tubular projection that arises from the colon.
The innermost layer lining the lumen is the mucosa. Which of the following statements regarding mucosa is/are false?
a. Mucosa layer forms irregular folds in the stomach. b. Mucosa layer forms finger-like foldings in the large intestine. c. Mucosa layer forms gastric glands in the stomach.
Which of the following statements is/are false?
a. The ileo-caecal valve prevents the back flow of the faecal matter. b. Fructose, fatty acids, glycerol and amino acids are absorbed through the mucosa into the blood stream. c. The digestive enzyme lysozyme digests the starch and converts it into maltose.
Which of the following digestive glands is/are not associated with the alimentary canal?
a. Salivary glands b. Gastric glands c. Liver d. Pancreas
Match the following:
| a. Serosa layer | 1. It is made of loose connective tissues containing nerves, blood and lymph vessels. |
| b. Muscularis layer | 2. It is made up of a thin mesothelium with some connective tissues. |
| c. Sub-mucosal layer | 3. It is made by smooth muscles usually arranged into an inner circular and an outer longitudinal layer. |
Which of the following cells in gastric glands are responsible for secreting hydrochloric acid?
a. Parietal cells b. Mucus neck cells c. Peptic cells
Pancreatic juice contains inactive enzymes. Which of the following is the enzyme that is not present in pancreatic juice?
Which of the following is/are secreted by the endocrine portion of the pancreas?
a. Digestive enzymes b. Insulin c. Glucagon
Which of the following conditions causes abnormal frequency of bowel movement and increased liquidity of the faecal discharge?
Which of the following guards the opening of the stomach into the duodenum?
In human mouth, the upper surface of the tongue has small projections. What are these projections called?
Which of the following ducts form the common bile duct?
a. Hepatic duct b. Pancreatic duct c. Cystic duct d. Hepato-pancreatic duct
Match the following ||| |---|---| |Name of salivary glands|Location| |a. The parotid glands|1. They are located in the lower jaw. | |b. The sub-maxillary glands|2. They are located below the tongue. | |c. The sub-lingual glands|3. They are located in the cheek.|