Nucleosides are acted upon by nucleosidases and give rise to
(1) Sugars and bases
(2) Sugars, bases and phosphates
(3) Sugars and phosphates
(4) Bases and phosphates
Final digestion occurs in….1..and absorption occurs in …2… while undigested passes to ..3..
a. 1. Duodenum and Jejunum; 2.ileum; 3. Large intestine
b. 1. Duodenum; 2. Jejunum and ileum; 3. Large intestine
c. 1. Duodenum and ileum; 2. Caecum; 3. Rectum
d. 1. Duodenum and Jejunum; 2. Ileum; 3. Rectum
Large intestine does not
(1) Secrete mucus
(2) Plays significant role in digestion
(3) Helps in easy passage of waste
(4) Get undigested and unabsorbed substances
Which of the following is wrong with respect to digestion?
(1) The sight, smell or presence of food in the oral cavity stimulates secretion of saliva
(2) Hormonal signals cannot stimulate gastric and intestinal secretions.
(3) The muscular activities of different parts of the alimentary canal can be moderated by neural mechanisms.
(4) Hormones control the secretion of digestive juices.
Absorption is the process-
(1) By which end products of digestion pass through lumen to instestinal Mucosa
(2) By which end products of digestion pass through intestinal Mucosa into the circulatory fluids of body
(3) By which water and essential nutrients are taken from alimentary canal to lymph
(4) More than one option is correct
Which of the following end product of digestion is absorbed by means of active, passive and facilitated diffusion?
(1) Glucose
(2) Water
(3) Fructose
(4) Galactose
Which of the following is generally absorbed by passive diffusion?
(1) Chloride
(2) Sodium ions
(3) Glycerol
(4) Fatty acids
Which of the following is not exclusively absorbed by facilitated diffusion?
(1) Sodium ions
(2) Fructose
(3) Some amino acids
(4) More than one option
Which of the following is unabsorbable form of end product of digestion?
(1) Fatty Acids
(2) Glucose
(3) Fructose
(4) Sodium ions
Chylomicron is not
(1) Large
(2) Fat globules
(3) Protein coated
(4) Another form of micelles