Biology - Comprehensive Mock Test 36

Question 351 Medium

The backflow of faecal matter in the large intestine is prevented by the presence of ?

A) pyloric sphincter B) sphincter of Oddi C) ileocecal (ileocaecal) valve D) gastric-oesophageal sphincter

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Question 352 Hard

Liver is the largest gland in the body and associated with various functions. Choose the incorrect one from the followings?

A) Processes and stores nutrients B) Involved in blood glucose homeostasis C) Produces bile for emulsification of fats D) Secrete hormone called gastric

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Question 353 Easy

Sphincter of Oddi guards ?

A) Hepatopancreatic duct B) Common bile duct C) Pancreatic duct D) Cystic duct

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Question 354 Medium

Continued consumption of a diet rich in butter, red meat and eggs for a long period may lead to ?

A) urine laden with ketone bodies B) kidney stones C) vitamin A toxicity D) hypercholesterolemia

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Question 355 Medium

The main function of lacteals in the villi of human small intestine is the absorption of______?

A) Water and mineral salts B) Amino acids and glucose C) Glucose and vitamins D) Fatty acids and glycerol

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Question 356 Medium

Which one of the followings is a fat-soluble vitamin and its related deficiency disease?

A) Retinol – Xerophthalmia B) Ascorbic acid – Scurvy C) Calciferol – Pellagra D) Cobalamin – Beri-beri

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Question 357 Medium

Angiotensinogen is a protein produced and secreted by ?

A) Liver cells B) Endothelial cells (cells lining the blood vessels) C) Macula densa cells D) Juxtaglomerular (JG) cells

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Question 358 Easy

Sericteries are modified ______?

A) intestinal glands B) endocrine glands C) gastric glands D) Salivary glands

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Question 359 Medium

Which one of the following statements is true regarding digestion and absorption of food in humans?

A) About 60% of starch is hydrolysed by salivary amylase in our mouth B) Oxyntic cells in our stomach secrete the proenzyme pepsinogen C) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na+ D) Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries

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Question 360 Easy

The pH scale is used to measure ?

A) Electric charge on ion B) Speed with which ions form C) Size of ions D) Concentration of hydrogen ions in a solution

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