Description : In mammals, an important role of excretion is played by – (1) Large intestine (2) Kidneys (3) Lungs (4) Liver
Last Answer : (2) Kidneys Explanation: The kidneys are bean-shaped organs that serve several excretory roles apart from the essential regulatory roles in mammals. They remove from the blood the nitrogenous wastes ... of urine. In producing urine, the kidneys excrete nitrogenous wastes such as urea and ammonium.
Description : In mammals, an important role of excretion is played by (1) Large intestine (2) Kidneys (3) Lungs (4) Liver
Last Answer : Kidneys
Description : The normal route of calcium excretion is (A) Kidney (B) Kidney and Liver (C) Kidney and Intestine (D) Kidney, Intestine and Pancreas
Last Answer : Answer : C
Description : The main site of urea synthesis in mammals is (A) Liver (B) Skin (C) Intestine (D) Kidney
Last Answer : Answer : A
Description : In mammals a significant initial role in the digestion of milk is played by
Last Answer : In mammals a significant initial role in the digestion of milk is played by A. Rennin B. Invertase C. Amylase D. Intestinal bacteria
Description : The site where complete digestion of carbohydrates, proteins and fats takes place is called – (1) Liver (2) Stomach (3) Large Intestine (4) Small Intestine
Last Answer : (4) Small Intestine Explanation: The small intestine is the site of the complete digestion of carbohydrates, proteins and fats. It receives the secretions of the liver and pancreas for this purpose.
Description : Which is the second largest gland of Human body? (1) Liver (2) Large Intestine (3) Thorax (4) Pancreas
Last Answer : (4) Pancreas Explanation: Liver is the largest gland in human body. It is also the largest (internal) organ in our body and can weigh up to 1.5-1.6 kg for a human adult. The Pancreas is the second largest gland in the body and is both an endocrine and exocrine gland.
Description : Roundworm is a human parasite found in the (1) Small intestine (2) Liver (3) Stomach (4) Large intestine
Last Answer : (4) Large intestine Explanation: Roundworms, or nematodes, are a group of invertebrates (animals having no backbone) with long, round bodies. Most parasitic roundworm eggs or larvae (immature form) are ... to the mouth. The eggs or larvae also can enter the human body directly through the skin.
Description : In humans , most nutrient molecules are absorbed by the ? A. Small intestine (Answer) B. Stomach C. Liver D. Large intestine E. None of these
Last Answer : A. Small intestine (Answer)
Description : Digestion of food is completed in the -----? A. small intestine (Answer) B. large intestine C. stomach D. Liver
Last Answer : A. small intestine (Answer)
Description : Which one of the following is NOT a digestive organ of the gastrointestinal (GI) tract? a. Large intestine b. Oral cavity c. Liver d. Small intestine
Last Answer : c. Liver
Description : Brunner's glands are present in (a) Stomach (b) Liver (c) Small intestine (d) Large intestine
Last Answer : (c) Small intestine
Last Answer : Large intestine
Description : Sweat glands in mammals are primarily concerned with - (1) removal of excess salts (2) excretion of nitrogenous wastes (3) therrnoregulation (4) sex-attraction
Last Answer : (3) therrnoregulation Explanation: Sweat glands, or sudoriferous glands, are small tubular structures of the skin that produce sweat. The cause of sweating and body odor stems from our body's ... and balances our body fluids and electrolytes, chemicals in our body such as sodium and calcium.
Description : Sweat glands in mammals are primarily concerned with (1) removal of excess salts (2) excretion of nitrogenous wastes (3) thermoregulation (4) sex-attraction
Last Answer : thermoregulation
Description : (a) Draw a schematic representation of transport and exchange of oxygen and carbon dioxide during transportation of blood in human beings and label on it: Lung capillaries, Pulmonary artery to ... the advantage of separate channels in mammals and birds for oxygenated and deoxygenated blood? -Biology
Last Answer : (a) A schematic representation of transportation and exchange of oxygen and carbon dioxide during transportation of blood in human beings (b) It is necessary to separate oxygenated and deoxygenated ... . The separation of oxygenated and deoxygenated blood provides high oxygen supply to the organs.
Description : Among mammals, the efficiency of ventilation of lungs as compared to reptiles and birds is better developed by the presence of
Last Answer : Among mammals, the efficiency of ventilation of lungs as compared to reptiles and birds is better ... Only ribs C. Only costal muscles D. Diaphragm
Description : The ventilation movements of the lungs in mammals are governed by
Last Answer : The ventilation movements of the lungs in mammals are governed by A. Muscular wall of the ... C. Diaphragm D. Diaphragm and intercostal muscles
Description : In man and mammals, air passes from outside into the lungs through (a) nasal cavity, larynx, pharynx, trachea, bronchi, alveoli (b) nasal cavity, larynx, pharynx, trachea, bronchioles, ... bronchioles, bronchi, alveoli (d) nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli.
Last Answer : (d) nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli.
Description : The ventilation movements of the lungs in mammals are governed by (a) muscular walls of lung (b) diaphragm (c) intercostal muscles (d) both (b) and (c)
Last Answer : (d) both (b) and (c).
Description : Which one of the following statements is incorrect? (a) The principle of countercurrent flow facilitates efficient respiration in gills of fishes. (b) The residual air in lungs slightly decreases the ... in birds. (d) In insects, circulating body fluids serve to distribute oxygen to tissues.
Last Answer : (b) The residual air in lungs slightly decreases the efficiency of respiration in mammals.
Description : Which one of the following characteristics is not shared by birds and mammals? (a) Viviparity (b) Warm blooded nature (c) Ossified endoskeleton (d) Breathing using lungs
Last Answer : (a) Viviparity
Description : The saliva pH is approximately 6.8. It is thus a slightly acid pH. Saliva lubricates the food bolus and initiates the enzymatic extracellular digestion of food. It also works as a buffer for the ... 's milk and in the mucosae of the intestine and airways) that protect the organism against pathogens.
Last Answer : What is the salivary digestive enzyme? Which type of food does it digest and into which smaller molecules does it transform the food?
Description : Why is the liver called a secondary organ of excretion?
Last Answer : Need answer
Description : Excretion of conjugated bilirubin from liver cells into biliary canaliculi is defective in (A) Gilbert’s disease (B) Crigler-Najjar syndrome (C) Lucey-Driscoll syndrome (D) Rotor’s syndrome
Last Answer : Answer : D
Description : 5 A nonvolatile, highly lipid soluble drug is metabolized at a rate of 15% per hour. On intravenous injection it produces general anaesthesia for 10 min. Which process is responsible for termination ... : A. Metabolism in liver B. Plasma protein binding C. Excretion by kidney D. Redistribution
Last Answer : D. Redistribution
Description : A nonvolatile, highly lipid soluble drug is metabolized at a rate of 15% per hour. On intravenous injection it produces general anaesthesia for 10 min. Which process is responsible for termination of ... : A. Metabolism in liver B. Plasma protein binding C. Excretion by kidney D. Redistribution
Description : I am a lobular structrue located between lungs behind sternum on the vental side of aorta and plays an important role in the development of the immune
Last Answer : I am a lobular structrue located between lungs behind sternum on the vental side of aorta and ... the development of the immune system. Identify me.
Description : What factor played a large role in the economic boom of the 1920s?
Description : Iodine is stored in (A) Thyroid gland as thyroglobulin (B) Liver (C) Intestine (D) Skin
Description : In human beings molybdenum is mainly absorbed from (A) Liver (B) Kidney (C) Intestine (D) Pancreas
Description : Calcium is excreted by (A) Kidney (B) Kidney and intestine (C) Kidney and liver (D) Kidney and pancreas
Last Answer : Answer : B
Description : The enzyme glycerol kinase is low activity in (A) Liver (B) Kidney (C) Intestine (D) Adipose tissue
Description : α-Oxidation i.e., the removal of one carbon at a time from the carboxyl end of the molecule has been detected in (A) Brain tissue (B) Liver (C) Adipose tissue (D) Intestine
Description : Galactose is readily converted to glucose in (A) Liver (B) Intestine (C) Kidney (D) Adipose tissue
Description : The sites for gluconeogenesis are (A) Liver and kidney (B) Skin and pancreas (C) Lung and brain (D) Intestine and lens of eye
Description : The enzyme glucose-6-phosphatase which catalyses the conversion of glucose 6-phosphate to glucose is not found in (A) Liver (B) Muscle (C) Intestine (D) Kidney
Description : The hydrolysis of glucose-6-PO4 is catalyzed by a phosphatase that is not found in which of the following? (A) Liver (B) Kidney (C) Muscle (D) Small intestine
Description : The conversion of carotenoids to Vitamin A takes place in (A) Intestine (B) Liver (C) Kidney (D) Skin
Description : 1-hydroxylation of 25-hydroxy Vitamin D3 takes place in (A) Liver (B) Kidneys (C) Intestine (D) Pancreas
Description : 25-hydroxylation of vitamin D3 takes place in (A) Liver (B) Kidneys (C) Intestine (D) Pancreas
Description : 1-hydroxylation of 25-OH vitamin D3 takes place in (A) Liver (B) Kidneys (C) Intestine (D) Pancreas
Description : Calcitriol synthesis involves (A) Both liver and kidney (B) Intestine (C) Adipose tissue (D) Muscle
Description : Bile is produced by (A) Liver (B) Gall-bladder (C) Pancreas (D) Intestine
Description : Acetoacetic acid and β-OH butyric acid are formed as (A) Kidneys (B) Heart (C) Liver (D) Intestine
Description : The enzyme systems for lengthening and shortening for saturating and desaturating of fatty acids occur in (A) Intestine (B) Muscle (C) Kidney (D) Liver
Description : Free glycerol cannot be used for triglyceride synthesis in (A) Liver (B) Kidney (C) Intestine (D) Adipose tissue
Description : HDL is synthesized in (A) Adipose tissue (B) Liver (C) Intestine (D) Liver and intestine
Description : Chylomicron remnants are catabolised in (A) Intestine (B) Adipose tissue (C) Liver (D) Liver and intestine