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351.

Vomiting is related to disturbance inA. Stomach sometimes duodenumB. HypothalamusC. Gastrointestinal tractD. Hapothalamus

Answer» Correct Answer - A
352.

Given below are assertion and reason.Point out if both are ture with reason being correct explanation,(A ) both true but reason is not correct explanation ( B),assertion true but reason is worng (C ) both are worng (D ). Assertion: Hcl converts pepsinogen into active enzyme pepsin Reason : Pepsin converts protiens into proteoses and peptonesA. AB. BC. CD. D

Answer» Correct Answer - B
353.

Mathc column I with column II and select the correct option from the given codes. `{:("Column I","Column II"),("Mucous neck cells",(i)"HCl,intrinsic factor"),("Peptic//chief cells",(ii)"Mucus"),("Pariental//Oxyntic cells",(iii)"Perpsinogen"):}`A. ii,iii,iB. iii,ii,iC. i,ii,iii,ivD. ii,i,iii

Answer» Correct Answer - A
354.

Gastric juice is sacreted under the influence of hormoneA. ReninB. EnterogastroneC. EnterocrininD. Gastrin

Answer» Correct Answer - D
355.

Which of the following structure(s) help in the mastication and mixing up the food throughly?A. TeethB. TongueC. SalivaD. All of the above

Answer» Correct Answer - D
The process of digestion is accomplished by mechan- ical and chemical processes.
The buccal cavity performs two major, functions, mastication of food and facilitation of swallowing.
The teeth and the tongue with the help of saliva mas- ticate and mixup the food throughly.
Mucus in saliva helps in lubricating and adhering the masticated food particles into a bolus.
356.

Bolus passes down through the oesophagus by successive waves of muscular contractions calledA. DeglutitionB. PeristalsisC. SwallowingD. both a and b

Answer» Correct Answer - B
Bolus passes down thorugh the oesophagus by sucessive waves of muscular contractions called peristalis.
357.

A bolus isA. a mass of crushed food moistened with salivaB. the semisolid material resulting from partial digestion in the stomachC. the milky emulfied fat absorbed from small intestineD. indigestible materials that help in movement and absorption of food.

Answer» Correct Answer - A
In the mouth, saliva moistens and lubricates the food and chewing (by teeth) breaks the food into smaller pieces. This semi-solid food is moulded into a ball known as bolus by tongue and is pushed into the oesophagus via pharynx.
358.

To which of the following family do folic acid and pentothenic acid belongA. Vitamin-CB. Vitamin-KC. Vitamin-A- Fat soluble- Beri-beriD. Vitamin-B complex

Answer» Correct Answer - D
Folic acid (folacin) and pantothenic acid (vitaminn-`B_5`) belong to vitmain-B complex along with thiamine, riboflavin, pyridoxine, niacin, biotin and cyanocobalamin.
359.

Water is largely absorbed inA. StomachB. OesophagusC. Small intestineD. Colon.

Answer» Correct Answer - D
360.

Which one of the following is mismatched?A. Vitamin-K - Beri-beriB. Vitamin-D-RicketsC. Vitamin-C - ScurvyD. Vitamin-A - Xerophthalmia

Answer» Correct Answer - A
Beri-beri is caused by the defeciency of vitamin-`B_1` (thiamine).
Vitamin-K is also known as antihaemorrhagic factor. The main sources of vitamin-K are green leafy vegetables such as cauliflower, cabbage, spinach, etc.
It is also found in aninaml sources like egg yolk, liver, etc. Vitamin-K is essential for blood clotting and deficiency of it causes harmorrhage.
361.

What is the target/action site of cholecystokinin (CCK)?

Answer» Gall bladder and exocrine part of pancreas.
362.

Read the assertion and reason carefully to mark the correct option out of the option given below: Assertion: In alcoholic drink, the alcohol is converted into glucose in the liver. Reason : Liver cells are able to produce glucose form alcohol by back fermentation.A. If both Assertion and Reason are true and Reason is the correct explanation of Assertion.B. If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.C. If Assertion is true but Reason is false.D. If both Assertion and Reason are false.

Answer» Correct Answer - D
363.

Antisterility vitamin isA. Vitamin EB. Vitamin DC. VitaminAD. Vitamin `B_(12)`

Answer» Correct Answer - A
Antisterility vitamin is vitamin E
364.

Which does not occur in glucoseA. DigestionB. IngestionC. AbsorptionD. Assimilation

Answer» Correct Answer - A
365.

Night blidness deveplos due to deficiency ofA. Vitamin CB. `B_(12)`C. Vit KD. Vit A

Answer» Correct Answer - D
366.

Scurry disease is caused by the deficiency of vitaminA. B comrlexB. CC. KD. D

Answer» Correct Answer - B
367.

Complete the underwritten sentences, (i) The six essential of diet are carbohydrates ……..and water. (ii) An average man needs …… of carbohydrates ……… of fats, and ……. Of proteins daily. (iii) …….and ……….are the energy of foods. (iv) ........builds the body.

Answer» (i) Lipids, proteins, mineral salts, vitamins, (ii) About 500 gm, 50 gms., 70-100 gms, (iii) carbohydrates fats, (iv) Proteins
368.

The mineral calcium plays an important role inA. nerve functioningB. Muscle contractionC. coagulation of bloodD. All of these

Answer» Correct Answer - D
369.

The amount of energy released during complete combustion of 1 gm of substances is itsA. specific valueB. reaction energyC. physiological valueD. calorific fuel value

Answer» Correct Answer - D
370.

Parotid salivary gland are presentA. Below the tongueB. Below the external auditory canalC. Below the eye orbitD. In the angle between two jaws

Answer» Correct Answer - B
371.

Crypts of Lieberkuhn are found in between the villi. They have secreteA. GlucagonB. Succus entericusC. InsulinD. None

Answer» Correct Answer - B
372.

Gastric juice of infants containsA. Amylase, rennin, pepsinogenB. Maltase, pepsinogen, renninC. Nuclease, pepsinogen, lipaseD. Pepsinogen, lipase, rennin

Answer» Correct Answer - D
373.

Gastric juice of infants containsA. Pepsinogen, lipase, renninB. Amlyse, rennin, pepsinogenC. Maltase, pepsinogen, renninD. Nuclease, pepsinogen, lipase.

Answer» Correct Answer - A
Gastric juice of infants contains pepsinogen , lipase and rennin.
374.

Chymotrypsinogen is produced byA. LiverB. PancreasC. StomachD. Duodenum

Answer» Correct Answer - B
375.

Ileocaecal valve is present in betweenA. Colon and large intestineB. Colon and small intestineC. Stomach and small intestineD. Cardiac stomach and fundu

Answer» Correct Answer - B
376.

Semidigested food that moves down oesophagus is known asA. BolusB. ChymeC. RugaeD. Protien

Answer» Correct Answer - A
377.

Bile salts help inA. Absorption of factsB. Digestion of fatsC. Both A and BD. Excretion of facts

Answer» Correct Answer - C
378.

Name the factor essential for absorption of vitamic B12

Answer» Correct Answer - Castle intrinsic factor
379.

The site of action and substrate of rennin are respectivelyA. mouth and starchB. small intestine and proteinC. stomach and caseinD. stomach and fat.

Answer» Correct Answer - C
In stomach, rennin acts on casein (milk protein) and paracasein is converted into calcium paracaseinate, ultimately leading to milk coagulation .
`"Casein"overset("Rennin")to "Paracasein" overset(CA^(2))to underset(("Milk coagulation"))"Calcium paracaseinate"`
380.

The function of water in our body is To prevent the dehydration of the body  To plays an important role in metabolic processes To provide energy and organic materials for growth and repair of tissuesA. a and bB. b and cC. a and cD. a, b and c

Answer» Correct Answer - A
food is one of the basic requirment of all living organisms. The major component of our food are carbohydrates, proteins and fats.
Vitamins and minerals are also required in small quantities
Food provides energy and organic materilas for grwoth and repair of tissues .
Major requirement of protien in the body is for growth .
The water we take is in plays an important role in metabolic processes and also prevents dehydration of the body .
381.

The food mixed thoroughly with the acidic gastric juice of the stomach by the churning movements of its muscular wall. What do we call the food then?A. BolusB. ChymeC. Succus entericusD. Chylomicron

Answer» Correct Answer - B
Bolus is the food particles formed with chewing and mixing with saliva. Chyme is the food which is mixed thoroughly with acidic gastric juice.
382.

Exclusive holozoic nutrition is seen inA. HouseiiyB. SpiderC. ManD. Shark

Answer» Correct Answer - C
Exclusive holozoic nutrition is seen in man.
383.

Stomach stores food forA. 2-3 hoursB. 3- 4 hoursC. 4-5 hoursD. 1-2 hours

Answer» Correct Answer - C
Stomach stores food for4-5 hours
384.

Assertion: Human beings have two sets of teeth during their life. Reason: Human beings have thecodont dentition.A. If both assertion and reason are true and reason is the correct explantion of assertionB. If both assertion and reason are true but reason is not the correct explnantion of assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false.

Answer» Correct Answer - B
Majority of mammals including humnan beings possess tow sets of teeth during their life, a set of temporary milk or decidous teeth replaced by a set of permanent or adult teeth. This type of denititon is called diphyodont. Human beings also have theorcodont dentition, i.e., teeth are embedded in the suckets of the jaw bones.
385.

Mark the right statement among the following.A. Trypsiogen is an inactive enzyme.B. Trypsinogen is secreted by intestinal mucosa.C. Enterokinase is secreted by pancreas.D. Bile contains trypsin.

Answer» Correct Answer - A
Trypsinogen is secreted by the pancreas. It is concerned with protein digestion. Enterokinase is secreted by the intestine. Bile does not contain trypsin.
386.

Sa1iva contains enzyme A. EnterokinaseB. Ptyalin / amylaseC. ChymotrypsinD. Lipase

Answer» Correct Answer - B
387.

 Weight of human liver isA. 6.0 kgB. 5.0 kgC. 3.0 kgD. 1.5 kg

Answer» Correct Answer - D
388.

Name the animals which have protases to digest animal fibrous proteins

Answer» Correct Answer - Insects
389.

What is lacteal?

Answer» Lympatic vessel of a villus.
390.

Where from do the chemoautotrophs derive energy for the synthesis of their food?

Answer» From the oxidation of inorganic compounds
391.

At which sites do the proteases act in the samll intestine?

Answer» Lumen, surface fo microvilli and within mucosal cells.
392.

What are chemoautotrophs?

Answer» Organism which synthesis organic food with help of energy released during oxidation compounds, e.g., some bacteria.
393.

Later, Corti turned his attention to the A. Mammalian cardiovascular system B. Mammalian auditory system C. ardiovascular system of reptiles D. Auditory system of reptilesÂ

Answer» Correct Answer - B
later , corti turned his attention to the mammalian auditory system.
394.

The stomach is located in the A. Upper left portion of thoracic cavityB. Lower left portion of thoracic cavityC. Upper left portion of abdominal cavityD. Upper right portion of abdominal cavity

Answer» Correct Answer - C
The stomach is located in the upper left portion of abdominal cavity.
395.

Emulsification is the function ofA. bileB. lipasesC. esteraesD. proteases

Answer» Correct Answer - A
396.

Cattle are able to digest cellulose which humans cannot because cattele haveA. Cellulose digesting bacteriaB. More efficient digestive systemC. Large stomachD. Long intesine

Answer» Correct Answer - A
397.

Digested lipids are absorbed from lacteals asA. TeriglyceridsB. DiglyceridesC. MonoglyceridesD. Free fatty acids

Answer» Correct Answer - A
398.

Lacteals help in absorption ofA. fatsB. carbohydratesC. proteinsD. All of these

Answer» Correct Answer - A
399.

Vitamin D is produced in human body byA. MusclesB. NervesC. SkinD. None of these

Answer» Correct Answer - C
400.

Vitamin A is produced from cartene inA. BloodB. SkinC. StomachD. Liver

Answer» Correct Answer - D