Description : Assertion `:-` Small intestine is very long and has plica circularis & villi Reason `:` All these increase internal surface area of small intestine fo
Last Answer : Assertion `:-` Small intestine is very long and has plica circularis & villi Reason `:` All these ... False. D. If both Assertion & Reason are false.
Description : Epithelial cells of the intestine involved in food absorption have on their surface (a) pinocytic vesicles (b) microvilli (c) zymogen granules (d) phagocytic vesicles.
Last Answer : (b) microvilli
Description : The length of small intestine in a deer is more as compared to the length of small intestine of a tiger. The reason for this is — (a) Mode of intake of food. (b) Type of food consumed. (c) Presence or absence of villi in intestines. (d) Presence or absence of digestive enzymes
Last Answer : (b) Type of food consumed.
Description : Why are villi only present in small intestine?
Last Answer : What is the answer ?
Description : The crypts of Lieberkuhn are present in the (a) Pancrease (b) Oesophagus (c) Between the villi of the small intestine (d) Large intestine
Last Answer : (c) Between the villi of the small intestine
Description : The digestive system, also known as systema digestorium , or gastrointestinal system, is composed of the digestive tube organs plus the digestive adnexal glands. The digestive tube is composed of mouth ... (caecum, colon, rectum) and anus. Digestion System - Image Diversity: human digestive system
Last Answer : What are peristaltic movements? What is their role in human digestion?
Description : The small intestine is composed of three segments. Tw of these segments are the jejunum and the ileum. Name the third segment.
Last Answer : ANSWER: DUODENUM
Description : Intestinal villi are numerous and larger in posterior part of small intestine because (a) Digestion is faster in posterior part (b) Blood supply is poor in anterior part (c) Blood supply is poor in posterior part. (d) There is more digested food in posterior part
Last Answer : (d) There is more digested food in posterior part
Description : Why are villi present in the intestine and not in the stomach? -Biology
Last Answer : answer:
Description : Which organ has finger like outgrowths which are called as Villi (Singular Villus)? (1) Large Intestine (2) Bladder (3) Small Intestine (4) Stomach
Last Answer : (3) Small Intestine Explanation: The inner walls of the small intestine have thousands of finger-like outgrowths called villi (singular villus). The villi increase the absorption of the digested food.
Description : Cuboidal epithelium with brush border of microvilli is found in (a) lining of intestine (b) ducts of salivary glands (c) proximal convoluted tubule of nephron (d) Eustachian tube
Last Answer : c) proximal convoluted tubule of nephron
Description : Assertion `:-` Fats are transported into the lacteals in the villi. Reason `:-` Fatty acids are insoluble in water.
Last Answer : Assertion `:-` Fats are transported into the lacteals in the villi. Reason `:-` Fatty acids are ... False. D. If both Assertion & Reason are false.
Description : Assertion : Foetal disorders can be diagnosed by chrionic villi sampling . Reason : Karyotyping cells be done by mitotically dividing cells of chrioni
Last Answer : Assertion : Foetal disorders can be diagnosed by chrionic villi sampling . Reason : Karyotyping cells ... If both the assertion and resson are false.
Description : what happens to food after absorption in villi? -Biology
Description : After digestion the next step is absorption done by cells of the mucous membrane of the intestine. For this task a large absorption surface is an advantage. How is it possible in the small internal space of the body of a pluricellular organism to present a large intestinal surface?
Last Answer : Evolution tried to solve this problem in two ways. The simplest is the long and tubular shape of the bowels (approximately eight meters in extension), making possible that numerous ... function of increasing the absorption surface too. Digestion System - Image Diversity: intestinal villi microvilli
Description : Assertion `:` Products of digestion are absorbed in the small intestine. Reason `:` Large intestine has impermeable wall.
Last Answer : Assertion `:` Products of digestion are absorbed in the small intestine. Reason `:` Large intestine has ... D. If both Assertion & Reason are false.
Description : What structures help increase the absorption of food in the small intestine How do they do this?
Last Answer : Villi: The folds form numerous tiny projections which stick out into the open space inside your small intestine (or lumen), and are covered with cells that help absorb nutrients from the food that ... The cells on the villi are packed full of tiny hairlike structures called microvilli.(I think )
Description : Which one of the following statements is true regarding digestion and absorption of food in humans? (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions ... amylase in our mouth. (d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
Last Answer : (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na
Description : Colummer Epithelium with microvilli or Brush Border is present in :-
Last Answer : Colummer Epithelium with microvilli or Brush Border is present in :- A. Gall Bladder B. Stomach C. Appemdix D. Pharynx
Description : Assertion `:-` Acid which reach intestine does not damage it. Reason `:-` The mucous along with the bicarbonates from the pancreas protects the intest
Last Answer : Assertion `:-` Acid which reach intestine does not damage it. Reason `:-` The mucous along with ... False. D. If both Assertion & Reason are false.
Description : Approximately what percentage of water absorption takes place in the small intestine vs. the colon (and a followup question)?
Last Answer : The gi tract requires chyme to be pretty liquid in order to be able to move it around through peristalsis. So even though the small bowel does absorb a lot of water from the chyme it is not until ... and left colon are much more muscular than the right colon just to deal with the more solid stool.
Description : How are the small intestine and large intestine related to the function of absorption? -Biology
Description : What vitamin does Intrinsic factor facilitates its absorption from the small intestine?
Last Answer : Need answer
Description : The absorption of glucose in the digestive tract (A) Occurs in the small intestine (B) Is stimulated by the hormone Glucagon (C) Occurs more rapidly than the absorption of any other sugar (D) Is impaired in cases of diabetes mellitus
Last Answer : A
Description : The rate of drug absorption is greatest in; A A. The small intestine B. The large intestine C. The stomach D. Plasma
Last Answer : The small intestine
Description : The diagram represents a section through the small intestine.What is the role of the structure labelled X ? (a) They secrete enzymes for digestion (b) They secrete hormones (c) They decrease the surface area of absorption (d) They increase the surface area of absorption
Last Answer : (d) They increase the surface area of absorption
Description : Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II. Column I Column II (a) Glycerol, fatty acids Duodenum, ... , glucose Small intestine, active absorption (d) Fructose, Na+ Small intestine, passive absorption
Last Answer : (c) Glycine, glucose Small intestine, active absorption
Description : . One very special feature in the earthworm (Pheretima) is that (a) fertilization of eggs occurs inside the body (b) the typhlosole greatly increases the effective absorption area of the digested food ... are the defensive weapons used against the enemies (d) it has a long dorsal tubular heart.
Last Answer : (b) the typhlosole greatly increases the effective absorption area of the digested food in the intestine
Description : Assertion `:` Mucous glands occur throughout the alimentary canal Reason `:` Mucous substances facilitate movement of food through the alimenatary can
Last Answer : Assertion `:` Mucous glands occur throughout the alimentary canal Reason `:` Mucous substances facilitate ... . If both Assertion & Reason are false.
Description : Assertion `:` Gastric glands occur throughout the alimentary canal. Reason `:` Gastric juice inhibits movement of food through the alimentary canal
Last Answer : Assertion `:` Gastric glands occur throughout the alimentary canal. Reason `:` Gastric juice inhibits ... D. If both Assertion & Reason are false.
Description : Write the enzyme which is present most abundantly in the world
Last Answer : Write the enzyme which is present most abundantly in the world
Description : Which of the following elements is not present abundantly in earth’s crust ? A. Silicon B. Radium (Answer) C. Aluminum D. Carbon
Last Answer : B. Radium (Answer)
Description : .______ enters the human body as a cyst and develops into a trophozoite in the small intestine; a severe form of dysentery may occur. a. Cryptosporidium parvum b. Entamoeba histolytica c. Giardia intestinalis d. Cyclospora cayetanensis
Last Answer : b. Entamoeba histolytica
Description : Assertion: Light-harvesting complexes (LHC) on thylkoid membrane broaden the range of light absorption: Reason: They transfer electrons to reaction ce
Last Answer : Assertion: Light-harvesting complexes (LHC) on thylkoid membrane broaden the range of light absorption: ... . If both Assertion and Reason are false.
Description : Assertion: ADH reduces chloride loss in Urine. Reason: ADH decreases water absorption.
Last Answer : Assertion: ADH reduces chloride loss in Urine. Reason: ADH decreases water absorption. A. If both ... false D. If both Assertion and Reason are false
Description : How many microvilli are there in the cell membrane of a cell ?
Last Answer : can be thousands. They do not have accurate calculations as their numbers increase and decrease with our physical changes.
Description : What is Microvilli ?
Last Answer : The fold of cell membrane is called microvilli.
Description : What part of the body consists of the duodenum, the jejunum and the ileum?
Last Answer : Small intestine
Description : Iron is absorbed from (A) Stomach (B) Duodenum and jejunum (C) Ileum (D) Noen of the above
Last Answer : Answer : B
Description : With regard to the cornea: a. photokeratitis occurs with wavelength of 270nm b. microvilli are found in the outer layer of the epithelium c. the turnover of the corneal epithelium typically takes 30 days d. the corneal epithelium is about 10 layers in thickness
Last Answer : photokeratitis occurs with wavelength of 270nm
Description : What part of the GI tract contains the largest population of microorganisms (micro biota)? a. Colon b. Jejunum c. Duodenum d. Stomach
Last Answer : a. Colon
Description : Of the following bariatric surgical procedures, which is the best procedure for long-term weight loss? a) Roux-en-Y The Roux-en-Y gastric bypass is the recommended procedure ... This procedure, which resulted in significant complications, has been largely replaced by gastric restriction procedures
Last Answer : a) Roux-en-Y The Roux-en-Y gastric bypass is the recommended procedure for longterm weight loss. In this procedure, a horizontal row of staples creates a stomach pouch with a 1-cm stoma that is anastomosed with a portion of distal jejunum, creating a gastroenterostomy.
Description : Gastric pits are found in the mucosa of which digestive organ? A. stomach B. duodenum C. jejunum D. ileum
Last Answer : A. stomach
Description : Which structure does NOT play a part in the motion of cells? a) microvilli b) cilia c) flagella d) pseudopodia
Last Answer : ANSWER: A -- MICROVILLI
Description : Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when (A) Extracting solvent is cheaply & abundantly available ... very high (D) One of the liquid components has very high affinity towards the solvent
Last Answer : (D) One of the liquid components has very high affinity towards the solvent
Description : How does the structure of the smail intestine help absorption?
Last Answer : They all
Description : In the intestine the rate of absorption is highest for (A) Glucose and galactose (B) Fructose and mannose (C) Fructose and pentose (D) Mannose and pentose
Last Answer : Answer : A
Description : Vitamin D absorption is increased in (A) Acid pH of intestine (B) Alkaline pH of intestine (C) Impaired fat absorption (D) Contents of diet