University questions
B.Sc.ZOOLOGY DEGREE EXAMINATION, APRIL 2016 Sixth Semester Sub.Code: GMZO61 Code No. 31145 Zoology - Main APPLIED BITECHNOLOGY (For those who joined in July 2012 and afterwards) Time: 3hours Maximum :75 marks PART A—(10 × 1 = 10 marks) Answer ALL questions Choose the correct answer: 1. In the sedimentation process of sewage treatment the chemical used is (a) Aluminium sulpahate- Alum (b) Ferric choride (c) Ferric sulphate (d) All of theese 2. The cleaning up of toxic contaminants in the environment using the activity of natural microbial population is referred as (a) Biodegradation (b) Biomonitoring (c) Biotransmission (d) Biopolymerisation 3. The father of plant tissue culture is (a) Skoog (b) Miller (c) Haber Landt (d) Nitsch 4. The number of genes present in ‘nif’ gene cluster is (a) 21 (b) 19 (c) 17 (d) 15 5. The fermentor commonly used to carryout fermentation reaction is (a) Stirred tank reactor (b) Air lift fermentof (c) Cyclone fermentor (d) All of these 6. Metaboloites which ...