They secrete gastric juices containing mucus, protein digesting enzymes pepsin, rennin and hydrochloric acid (HCI). (Board Term 1,2014)Īns: Gastric glands are present in the wall of the stomach. Q7: State the location and function of gastric glands. (NCERT, Board Term I, 2016)Īns: Raw materials required for photosynthesis are carbon dioxide (CO 2), water, light and chloroplast. Q6: Mention the raw materials required for photosynthesis. (Board Term 1,2016)Īns: The transport of food prepared in the leaves, by the process of photosynthesis, to various parts (roots, stem, branches, etc.) of the plant is called translocation. Q5: Define translocation in reference to plants. (Board Term 1,2017)Īns: Pulmonary vein carries oxygenated blood from lungs to left atrium of heart. Q4: Name the vein which brings blood to left atrium from the lungs. So, diffusion is insufficient to meet the oxygen demand of multicellular organisms. (NCERT, Board Term 1,2017)Īns: Due to higher metabolic rate and the large volume of body, oxygen cannot diffuse into all cells of the human body quickly as oxygen will have to travel large distances to reach each and every cell. Q3: Diffusion is insufficient to meet the oxygen requirement of multicellular organisms like human. Peristalsis is the rhythmic contraction and relaxation of muscles of alimentary canal to push the food downward. Q2: What causes movement of food inside the alimentary canal in human beings? Īns: The movement of food within the alimentary canal is mostly caused by peristalsis. Īns: Pancreatic juice contains digestive enzyme trypsin. Q1: Name an enzyme present in pancreatic juice.
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