Last seen: Mar 10, 2022
Correct answer: (a) Trachea
Correct answer: (d) The visceral pleura is in direct contact with the chest wall.
Correct answer: (a) regulate inspiration Explanation: Pneumotaxic centre lies in pons in the brain. It regulates inspiration.
Correct answer: (a) Fructose
Correct answer: (c) papillae Explanation: The upper surface of the tongue has small projections called papillae, some of them bears taste buds.
Correct answer: (c) Liver
Correct answer: (a) Fructose and some amino acids
Correct answer: (c) microvilli
Correct answer: (c) Bile salts
Correct answer: (a) mucus Explanation: Intestinal mucosal epithelium has globet cells which secrete mucus.
Correct answer: (b) Liver Explanation: Jaundice affects liver. Skin and eyes turn yellow due to the deposition of bile pigments.
Correct answer: (b) Stenson's duct
Correct answer: (b) Caecum Explanation: Caecum is a small blind sac which hosts some microorganisms.
Correct answer: (d) Concentration of hydrogen ions in a solution
Correct answer: (c) utilisation of absorbed substances Explanation: The absorbed substances finally reach the tissues which utilise them for thei...
Correct answer: (d) Zymase
Correct answer: (b) Pepsinogen to pepsin
From the structure of N2O5, it is evident that the covalence of nitrogen is 4. figure.png
NH3 acts as a Lewis base. It donates its electron pair and forms a linkage with metal ion. Cu2+(aq) + 4NH3(aq) ⟷ [Cu(NH3)4]2+(aq) Blue ...
Ammonia is prepared using the Haber's process. The yield of ammonia can be maximized under the following conditions: (i) High pressure (∝ 200 a...