a) O3 and dust b) SO2 and NO2 c) SO3 and CO d) CO2 and CO Answer: b) SO2 and NO2 Explanation: At the time of rainfall, the SO2 and NO2 can... View Article
a) Urea b) Calcium carbonate c) Potassium urate d) Ammonia Answer: c) Potassium urate Explanation: The Malpighian tubules keep floating... View Article
a) Separate two cells from each other. b) Stop substance from leaking across a tissue. c) Facilitate communication between adjoining cells by... View Article
a) Keystone b) Alien c) Rare d) Endemic Answer: d) Endemic Explanation: The species confined to a specific area and not found elsewhere... View Article
a) Transformer b) Template c) Vector d) Carrier Answer: c) Vector Explanation: The DNA molecule to which the desired gene is integrated... View Article