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MCQs

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Stomata close when the guard cells
BiologyTransport
In most plants the food is transported in the form of
BiologyTransport
The mineral in human food that is required in amounts less than 100 mg per day
BiologyNutrition
The dilated part of the alimentary canal, on the left of the abdomen, beneath the diaphragm
BiologyNutrition
The secretion from the salivary glands; contains, water, mucous and amylase enzyme
BiologyNutrition
The last part of the large intestine; opens out through the anus
BiologyNutrition
The opening between the pyloric portion and the small intestine
BiologyNutrition
The section of the alimentary canal after the oral cavity and before the esophagus
BiologyNutrition
The rhythmic sequence of waves of contraction in the smooth muscles of the walls of the alimentary canal, thus squeezing the food down along the alimentary canal.
BiologyNutrition
The inactive enzyme present in gastric juice; activated into pepsin by HCI
BiologyNutrition
The active form of enzyme pepsinogen that partially digests the proteins into shorter peptide chains
BiologyNutrition
The secretion of the pancreas that contains enzymes trypsin, pancreatic amylase, and lipase
BiologyNutrition
The gland that secretes pancreatic juice in the duodenum; also produces
BiologyNutrition
The first part of the alimentary canal; the space behind the mouth
BiologyNutrition
The long tube (25 cm in an adult human) connects the pharynx with the stomach.
BiologyNutrition
Becoming over-weight; one reason is the intake of food that contains energy more than their requirement and very little physical work
BiologyNutrition
The process in which food is obtained or prepared, absorbed, and converted into body substances for growth and energy
BiologyNutrition
The elements and compounds that an organism obtains and use as an energy source or as components for the synthesis of new materials
BiologyNutrition
The elements which are required in lower quantities
BiologyNutrition
Disease due to protein deficiency; the patient loses all their muscle strength and acquire a skeletal appearance
BiologyNutrition
The enzyme present in pancreatic juice; for the digestion of proteins
BiologyNutrition
The largest gland of the body; secretes bile into the duodenum and performs many other important functions
BiologyNutrition
The enzyme that digests proteins
BiologyNutrition
The medicines given to relieve constipation
BiologyNutrition
A vessel of the lymphatic system present in the villus
BiologyNutrition
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