Chapter 16

The process of conversion of complex food substances to simple absorbable forms is called (a) Egestion (b) Digestion (c) Ingestion (d) Assimilation

The major components of our food are (a) Carbohydrates (b) Proteins (c) Fats (d) All of these

Which of the following substances do not get digested in our digestive system? (a) Carbohydrates (b) Proteins and fats (c) Vitamins and minerals (d) All of these

Which of the following are important for our body but required in less amount? (a) Vitamins and minerals (b) Proteins (c) Fats (d) Carbohydrates

Which of the following is a function of food? (a) Providing energy to the body (b) Providing organic materials for growth and repair of tissues (c) Providing organic materials for repair of tissues (d) All of these

Digestion in our body takes place by means of (a) Biochemical method (b) Mechanical method (c) Both of the above (d) Chemical method

Human digestive system consists of (a) Alimentary canal (b) Associated glands (c) Both (a) and (b) (d) Gastrointestinal tract only

The role of water in our body is to (a) Act as medium for transport of substances (b) Provide medium for all metabolic reactions (c) Prevent dehydration of body (d) All of these

The anterior opening of alimentary canal is (a) Anus (b) Mouth (c) Vestibule (d) Pupil

The posterior opening of alimentary canal is (a) Anus (b) Mouth (c) Vestibule (d) Pupil

Teeth of human are (a) Thecodont (b) Diphyodont (c) Heterodont (d) All of these

If tooth is embedded in a socket of jaw bone then it is known as (a) Thecodont (b) Diphyodont (c) Heterodont (d) All of these

Marasmus is found in (a) Infant (b) Adult (c) Old age person (d) All of these

In majority of mammals, including human, two sets of teeth get formed during their life time. These teeth are called (a) Thecodont (b) Hetrodont (c) Diphyodont (d) Lophodont

An adult human has 32 permanent teeth which are of four different types and are called (a) Thecodont (b) Heterodont (c) Diphyodont (d) Lophodont

Arrangement of teeth in each half of the upper and lower jaw in the order I, C, PM, M is represented by (a) Dental formula (b) Odontology (c) Dentology (d) Enamel

The dental formula of human is (a) \(\frac{0033}{3133}\) (b) \(\frac{1003}{1003}\) (c) \(\frac{2123}{2123}\) (d) \(\frac{3131}{3121}\)

Dental formula is given to show (a) The structure of molars (b) Number and types of teeth in both jaws (c) Homodont condition (d) Diphyodont condition

Dental formula of human being is (a) \(I_{2}, C_{2}, P_{1}, M_{3}\) (b) \(I_{2}, C_{1}, P_{2}, M_{3}\) (c) \(I_{3}, C_{1}, P_{2}, M_{2}\) (d) \(I_{2}, C_{2}, P_{3}, M_{1}\)

The hardest substance in vertebrate body is (a) Keratin (b) Dentine (c) Chondrin (d) Enamel

Select the incorrect statement among the following about human tongue. (a) The human tongue has freely movable muscular organ. (b) It is attached to the floor of the oral cavity by the frenulum. (c) The upper surface of the tongue has small projections called papillae. (d) All papillae of human tongue bear taste buds.

The tongue is attached to the floor of oral/buccal cavity by (a) Epiglottis (b) Frenulum (c) Gubernaculums (d) Mesentery

Which of the following acts as a common passage for food and air? (a) Larynx (b) Pharynx (c) Oesophagus (d) Glottis

Select the total number of correct statement from the following: A. The esophagus and the trachea (wind pipe) open into the pharynx. B The hard chewing surface of the teeth, made up of dentine, helps in the mastication of food. C. The oral cavity leads into a long pharynx which serves as a common passage for food and air. D. The tongue is a freely movable muscular organ attached to the roof of the oral cavity by the frenulum. (a) 1 (b) 2 (c) 3 (d) 4

Stomach is divided into how many major parts? (a) 1 (b) 2 (c) 3 (d) 4

Which of the following is a highly coiled part of small intestine? (a) Duodenum (b) Jejunum (c) Ileum (d) All of these

A muscular sphincter that regulates the opening of oesophagus into stomach is (a) Pyloric sphincter (b) Gastroesophageal sphincter (c) Sphincter of Oddi (d) Cervical sphincter

Select the incorrect organ and its shape from the following. (a) J-shape-stomach (b) U-shape-duodenum (c) Bean-shape-kidney (d) O-shape-vasa recta

A muscular sphincter that regulates the opening of stomach into duodenum is (a) Pyloric sphincter (b) Gastroesophageal sphincter (c) Sphincter of Oddi (d) Cervical sphincter

Large intestine consists of (a) Caecum (b) Colon (c) Rectum (d) All of these

A part of large intestine which is a blind sac and it harbours some symbiotic micro organism is (a) Colon (b) Caecum (c) Rectum (d) Ileum

Colon is divided into (a) Ascending colon (b) Descending colon (c) Transverse colon (d) All of these

Which of the following is true about appendix? (a) Narrow finger-like tubular projection (b) Arises from the caecum (c) Vestigial organ (d) All of these

The wall of alimentary canal from oesophagus to rectum possesses how many histological layers? (a) 1 (b) 2 (c) 3 (d) 4

Which of the following is the outermost histological layer of alimentary canal? (a) Serosa (thin mesothelium) (b) Mucosa (c) Sub mucosa (d) Muscularis

Where does the oblique muscle layer situated in human alimentary canal? (a) Oesophagus (b) Stomach (c) Large intestine (d) Small intestine

Select the total number of false statements from the following. A. Muscularis is formed by smooth muscles usually arranged into an inner circular and an outer longitudinal layer. B. Submucosal layer is formed of loose connective tissues containing nerves, blood and lymph vessels C. Serosa is the outermost layer and is made up of a thin mesothelium (epithelium of visceral organs) with some connective tissues. D. The innermost layer lining the lumen of the alimentary canal is the mucosa. E. Mucosal epithelium has goblet cells which secrete mucus that helps in lubrication. (a) 3 (b) 4 (c) 5 (d) All are true

Mucosal layer that forms irregular folds in the stomach is called (a) Rugae (b) Villi (c) Microvilli (d) Papilla

Mucosal layer that forms small finger like projections in intestine is called (a) Villi (b) Microvilli (c) Crypts (d) Papilla

Mucosal layer that forms depressions in between villi in intestine is called (a) Villi (b) Microvilli (c) Crypts (d) Papilla

In the wall of alimentary canal which are/is true sequence from outer to inner? (a) Serosa, longitudinal muscle, mucosa, sub mucosa (b) Mucosa, serosa, long muscle (c) Serosa, long muscle, circular, sub-mucosa, mucosa (d) Serosa, long muscle, sub-mucosa, mucosa

The narrow distal end of stomach is called (a) Cardiac (b) Duodenum (c) Pharynx (d) Pylorus

Intestinal villi are mainly concerned with (a) Assimilation (b) Secretion (c) Ultrafilteration (d) Absorption

Pylorus is situated at the junction of (a) Oesophagus and stomach (b) Stomach and duodenum (c) Duodenum and ileum (d) Ileum and rectum

Brush bordered epithelium is found in (a) Trachea (b) Stomach (c) Small intestine (d) Fallopian tube

Vermiform appendix is a part of (a) Alimentary canal (b) Nervous system (c) Vascular system (d) Reproductive system

Crypt of Lieberkuhn is an example for (a) Simple tubular gland (b) Coiled tubular gland (c) Compound alveolar gland (d) Compound tubular gland

Serosa is made up of (a) Mesothelium (b) Some connective tissue (c) Both (a) and (b) (d) None of these

In duodenum, glands are present in (a) Mucosa (b) Sub-mucosa (c) Muscular layer (d) Both (a) and (b)

Which is responsible for the increase in surface area of small intestine? (a) Villi (b) Microvilli (c) Both (a) and (b) (d) Bigger lumen