BT503 Midterm Past Papers Complete by Arham

DINNING

OBJECTIVES

1. Natural estrogens deactivated by............. Glucuronidation
2. Average oceanic temperature is _______________ 1–3°C

Q3. -------- Is the application of biotechnology for solving environmental problems?

4. In bacteria genetic transferor materials occur through______ Plasmid
5. By using recombinant technologies scientists are now producing____ Insulina
6. Bacteria which Thrive at temperatures above 45°C Is called as ------Thermophiles
7. Bacteria which Thrive at temperatures above ~85°C Is called as_______ Hyper

Thermophiles

8. A strain of _________ putida known to degrade PCBs. Pseudomonas
9. Which statement about endocrine disruptures is true ---, Feminization of male fish has occurred due to increase the level of estrogen in water ways,
10. Microorganisms are now being used for removal of plants from environment; all the statements are true regarded except________ the toluene degradation pathways and p-cumate pathway are coded by genes present on the same operon.
11. Halophiles are extremely important in environment biotechnology these are microorganisms that survive in highly saline environment. they do so by ensuring that ________ Their cytoplasm contains a higher concentration of solutesthen their surroundings
12. Biological system may be used to clean up pollutants which of the following attributes must be present in the pollutants. It should be highly toxic
13. Chlorinated polycyclic aromatic hydrocarbons (CL-PAHs) are the group of compound with two or more aromatic rings and one or more ___ atoms are attached to the ring system. Chlorine
14. Making the compound more polar and easily cleared from the blood by the ___

Kidney

15. Methanogenic consortium of over 100 bacterial clones with the capability to digest_____ Terephthalate.

DINNING

16. For land based applications, the soil types best suited to biotechnological interventions are _______ Sands And Gravels.
17. Insect virus that causes over expression of genes in molecular biology_____

Baculovirus

18. Herbicide resistant plants_____________ Pests
19. mer A gene gene is one of A Cluster Of Genes involved in bacterial detoxification of mercury, and is the one coding for the enzyme, mercuric ion reductase, which converts Mercury from an ionic to a Volatile Form.
20. The insect virus ....... has been shown to be the method of choice for the over expression of genes in many applications of molecular biology_____Baculovirus
21. Attack by insect not only cause damage to the plant but also provide route ____For

Bacterial Or Fungal Infection

22. Insertion of foreign DONA in the vector resulting in the loss of the future _______Marker Gene
23. Glyphosate ( herbicide) is analyze of phosphenol pyruvate and inhibits the enzyme plants that gave the best result were _____ Petunias
24. Many of the transgenic plants have been produced using the Ti plasmid transfer system of______ Agrobacterium Tumefaciens
25. The plants pathogen that is used to increase the resistance of plant to disease is___

Erwinia Carotovora

26. One such recombinant is a plant where the fatty acid composition in the seed has been modified to produce triacylglycerol's containing elevated evels of trierucinic acid suitable for use In the polymer industry____Arabidopsis Thaliana
27. Western blotting Is used to detect_________ Protein
28. Planktons are often used as indicator of water pollution, many planktons reproduce at increased rate in lakes when there are high centralization of ________Phosphorus And Nitrogen

DINNING

29. Living organisms may be used to define the characteristics of biosphere, those that are used to get quantitative information on the quality of the environment. -------- Bio Monitors
30. Lichens are used as bio indicators to monitor -------- quality. --- Air
31. Why frogs are helpful as bio indicators______ Influenced By Changes That Take Place In Their Freshwater And Terrestrial Habitats.
32. Factors related to bio magnifications except ____ Source
33. Most significant temperature for bio-remediation is ---- 20-30°C
34. What is true regarding Zooplankton? ------ Relying On Tides And Currents As A

Transport

35. Which of does not use to make vessel of bio filters ______ May Be Formic Sheet
36. What Is not true about bio scrubbers?------- Remove Toxic Metals
37. Unlike other marines species, sharks are characteristically untroubled by -------- and studies of their skin have established that its unique texture coupled with its inherent antimicrobial properties help keep them clean of fouling organisms. ------ Bio

Fouling

38. Facultative ponds receive raw sewage; they are also called------- Primary Ponds.
39. For which of the following waste water treatment system the equipment depend on the post treatment process used.------ Rapid Infiltration
40. The removal of pollutants by plants that breaking down into compound that can be vaporized is known as ------ Degradation, Phytovolatisiation, Phytosorption
41. Bio substitution is: _____1-Biofueis, 2-Polymers 3-Biodegradable
42. In the soil, a --------has basically four possible destinations ------- Pollutant
43. The septic tank can be a single chamber tank or two compartment tank ______

Imhoff Tanks

44. In the imhoff tank, setting occurs in the upper compartment______ Setting Compartment.