MDCAT BIOLOGY-Life Processes:Nutrition (SMART INSTITUTE)

Create an infographic depicting the human digestive system with labeled organs such as the stomach, liver, and intestines in a vibrant and educational style.

MDCAT Biology Nutrition Quiz

Test your knowledge of human digestive processes with our engaging MDCAT Biology Nutrition Quiz. Whether you're a student preparing for exams or simply curious about human nutrition, this quiz covers essential topics related to the digestive system.

Key Features:

Multiple-choice questions
Focus on digestion and nutrition
Perfect for MDCAT preparation

60 Questions15 MinutesCreated by DigestingKnowledge12

01-WOF is not a part of digestive system of human?

Liver

Spleen

Salivary glands

Colon

02-Pick an option showing all sites of digestion in human digestive system:

Oral cavity, stomach, small intestine

Oral cavity, stomach, ileum

Stomach, duodenum, jejunum

Duodenum to stomach

03-Cardiac sphincter prevents transfer of food from:

Pharynx to trachea

Stomach to esophagus

Esophagus to stomach

Duodenum to stomach

04-Stimulation of the parasympathetic nervous system increases:

Peristalsis

Heart rate

Rate of blood flow

Breathing rate

05-Where is protein digestion completed?

Stomach,

Ileum

Rectum

Duodenum

06-Defecation reflex can be consciously inhibited by:

Outer anal sphincter

Inner anal sphincter

Both outer and inner anal sphincter

Cannot be inhibited

07-The movement of digested products and water across the G1 tract epithelium and into the underlying blood and lymphatic vessels is called:

Ingestion

Digestion

Assimilation

Absorption

08-Maxium absorption of food occurs in:

Buccal cavity

Jejunum

Duodenum

Ileum

09-Chymotrypsin acts on:

Proteins in duodenum in alkaline medium

Starch in duodenum in alkaline medium

Proteins in stomach in acidic medium

Proteins in duodenum in acidic medium

10-Digestion can be defined as conversion of:

Soluble food into protoplasm

Starch into maltose

Non-diffusible food into diffusible

Large food particles into smaller ones

11-Which layer of stomach helps in churning of food?

Inner layer

Middle layer

Outer layer

Basal layer

12-It is common for digestive system and respiratory system:

Nostrils

Nasal cavities

Pharynx

Buccal cavity

13-All of the following are likely to occur in an obese patient except?

Hypercholesterolemia

Hypertension

Hyperthyroidism

Hyperglycemia

14-Chemical digestion of food begins at:

Stomach

Ileum

Oral cavity

Duodenum

15-Which is not associated with mucus production?

Parotid gland

Goblet cells

Sub-mandibular gland

Sub-lingual gland

16-Type of digestion which is not helpful in direct absorption of food:

Mechanical

Chemical

Biochemical

Enzymatic

17-Pyrosis or heart burning is due to inefficiency of:

Cardiac sphincter

Esophageal sphincter

Pyloric sphincter

Colic sphincter

18-In normal conditions, mastication and peristalsis are under:

Voluntary control

Involuntary control

Voluntary and involuntary control

Involuntary and voluntary control

19-Chymotrypsin is a component of:

Bile

Pancreatic juice

Intestinal juice

Gastric juice

20-Digestion is completed in:

Buccal cavity

Small intestine

Stomach

Large intestine

21-An organism that feeds as an active predator would have well developed ....... teeth.

Molars

Pre-molars

Incisors

Canines

22-Liver performs the function of:

Conversion of glucose into glycogen

Conversion of glycogen into glucose

Deamination

All of above

23-Alkaline nature of pancreatic juice ids due to:

NaCl

NaHCO3

KOH

NaOH

24-Pancreatic juice and bile are poured through:

A common duct into duodenum

Two distinct ducts into duodenum

A common duct into ileum

Two distinct ducts into ileum

25-The stomach take part in:

Breaking food mechanically

Partially digesting the food

Disinfecting the food

All of above

26-The semi-digested, acidified food that enters duodenum is called:

Chyle

Bile

Chyme

Bolus

27-Entry of food in stomach mechanically stimulates it to produce a hormone named

Gastric juice

Secretin

Gastrin

Chymotrypsin

28-Bile is produced and secreted by:

Gall bladder

Pancreas

Spleen

Liver

29-The main function of intestinal villi is to:

Stimulate peristalsis

Prevent antiperistalsis

Provide large surface area of absorption

Distribute digestive enzymes uniformly

30-Trypsinogen is secreted by:

Stomach

Intestine

Pancreas

Liver

31-The three secretions meeting the food in small intestine are:

Bile, pancreatic juice and intestinal juice

Pancreatic juice, intestinal juice and gastric juice

Bile, pancreatic juice and gastric juice

Bile, gastric juice and saliva

32-Trypsin digests protein in:

Stomach in acidic medium

Stomach in alkaline medium

Duodenum in acidic medium

Duodenum in alkaline medium

33-Saliva helps to convert:

Proteins into amino acids

Glycogen into glucose

Starch into maltose

Fats into vitamins

34-The lacteals are central lymph vessels which are found in:

Liver

Pancreas

Villi

Spleen

35-Bile aids in digestion and absorption of fats because it contains:

Lipase

Salts

Bile pigments

Necessary enzymes

36-The epithelial cells lining the stomach of vertebrates are protected from the damage by HCl because

HCl is too dilute

The epithelial cells are resistant to the action of HCl

HCl is neutralized in the stomach

The epithelial cells are covered by a mucus layer

37-Carbohydrate digesting enzyme that converts starch into maltose is:

Amylopectin

Amylase

Trypsin

Both amylopectin and amylase

38-Secretin inhibits the production of ..... And promotes production of .....

Gastric juice, hepatic secretions

Gastric juice, pepsinogen

Liver secretions, gastric juice

Bile, pepsinogen

39-Oral cavity performs important functions except:

Selection of food

Grinding and mastication

Lubrication

Digestion of protein

40-Pick one mismatched:

Sublingual-below tongue

Sub maxillary- behind jaws

Parotid- in front of ear

Lacrimal-saliva

41-Enzyme of intestinal lining that converts polypeptide into dipeptides:

Trypsin

Lipase

Maltase

Amino peptidase

42-Innermost layer of stomach is also named as:

Mucosa

Serosa

Muscularis

Adventitia

43-Discontinuous feeding is possible because of:

Stomach

Small intestine

Large intestine

Esophagus

44-Stomach can be lebelled as ..... organ.

Endocrine

Exocrine

Autocrine

Endo and exocrine

45-Area of alimentary canal from where digested food can be picked up by blood:

Stomach

Oral cavity

Small intestine

Large intestine

46-Inability to digest lactose in milk leads to:

Diarrhoea

Constipation

Ulcer

Vomiting

47-Tongue is made up:

Cartilage and muscles

Muscles and bones

Skeletal muscles

Smooth muscles

48-Which is not usually the component of feces?

Dead cells

Microorganisms

Lymph

Cellulose fiber

49-Loss of appetite due to fear of becoming obese is:

Anorexia Nervosa

Bulimia Nervosa

Piles

Ulcer

50-Anorexia Nervosa can be treated with:

Anti-inflammatory drugs

Psychiatric therapy

Vaccines

Antibiotics

51-All of the insectivorous plants are true:

Autotrophs

Heterotrophs

Carnivores

Saprotrophs

52-The leaf is bilobed with midrib between them. The plant is

Saraccnia

Dionaea

Pitcher plant

None of these

53-The venous flower basket is also known as WOF?

Sycon

Spongilla

Leucosolenia

Euplectella

54-The botanical name of Pithcher plant is:

Sarracenia pupurea

Sarracenia dupurea

Dionaea muscipula

Dionaea musipia

55-Sac-like leaf is of:

Venus-fly trap

Pitcher plant

Sundew

All of above

56-The leaf is bilobed with midrib between them is the characteristic of

Pithcher plant

Venous-fly trap

Sundew

All of above

57-Several fruit flies are entrapped within the leaf by:

Pitcher plant

Venous-fly trap

Sundew

All of above

58-The gland in Sundew is located on the:

At the bottom of tentacles

At the tip of the tentacle

At the margin of the lobe

First two option

59-Pitcher plant have:

Modified stem

Modified leaf

Modified stipule

Modified root

60-Pitcher plant traps insects because it

Is a heterotroph

Grows in soils which lack nitrogen

Does not have chlorophyll

Has a digestive system like human beings

MDCAT BIOLOGY-Life Processes:Nutrition (SMART INSTITUTE)

MDCAT Biology Nutrition Quiz

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