BT503 MCQs All in One

1. Natural estrogens deactivated by……….

Glucuronidation

2. Insect virus that causes over expression of genes in molecular biology-

Baculo virus

3. Acute toxins

All

4. By using recombinant technologies scientists are now producing

Insulin

5. …………. are combustible materials, containing within themselves all oxygen needful for their combustion, which burn but do not explode, and function by producing gas which produces an explosion

Propellants or low explosives

6. -------------are types of waste stabilization pond used for biological treatment of industrial and domestic wastewater

Facultative lagoon

7. PAH-containing fractions, by animal test systems ….evidence have been obtained that PAH containing

skin painting,lung implantation)

8. Pentane is utilized as a ……………in the preparation of phenol

foaming

9. Polystyrene, as a propellant for aerosol sprays, as a filling of low- temperature----------------, and as reference compound in gas chromatography.

thermometers

10. Herbicide resistant plants

pests

11. Average temperature of ocean

1–3°C

12. Which of ....does not use to make vessel of biofilters

may be formic sheet

13. Which of the following is not fate of water
14. Which of the following does not classify as a substitution material.------- other than those options) materials is a major potential avenue for the environmental biotechnology
15. Which of the following statement about desulphurization of oil and coal is false-------
16. Metals are released into the environment by all of the following except-

Earthquake

17. When facultative pond receives raw sewage they are called ......ponds. primary pond
18. Which of the following is not linked to biomagnifications
19. ----------- is the presence of contamination in the environment which harm the environment.

Pollution · BT503 Environment Biotechnology · • MID TERM MCQs · • MID TERM GRAND QUIZ · MID · • QUIZ NO 01 · • QUIZ NO 02 · QUIZ · FINAL · ALL IN ONE MCQs · MID TERM MCQs

20. Chlorinated polycyclic aromatic hydrocarbons ( CL-PAHs) are group of compound with two or more aromatic rings and one or more --------- atoms are attatched to the ring system

Chlorine

21. Making the compound more polar and easily cleared from the blood by the -----------.

Kidney

22. Herbicide resistant plants ------------------
23. -------- is the degree to which a chemical substance or a particular mixture of substance can damage an organism.

Toxicity

24. -------- is the application of biotechnology for solving environmental problems.

Environmental biotechnology

25. In the soil, a ----------has basically four possible destinations:

pollutant

26. Bio substitution are: ……

1-Biofuels, 2-Polymers 3-Biodegradable

27. A strain of Pseudomonas putrid known to----------

degrade PCBs

28. The insect virus, …….., has been shown to be the method of choice for the over , expression of genes in many applications of ------------

Baculovirus. molecular bioliogy

29. Methogenic constortio of over 100 bacterial clone with the capability to digest -----------,

terephthalate

30. Insertion of foreign DNA in the vector resulting in the loss of the future

marker gene

31. In the Inhofe tank, settling occurs in the upper compartment settling compartment.
32. The septic tank can be a single-chamber tank or a two-compartment tank-----------------,

called an Inhofe tank

33. For land base application soil type best suited to biotehnological intervention are

Sand and gravel

Q34. Which of the following is not linked to biomagnification --------------------- ?????????

35. Which of the following is not fate of water ………
36. Which of does not use to make vessel of biofilters ………

may be formic sheet

37. Preliminary treatment involves the removal of coarse ……

solids only

38. Attack by insect not only cause damage to the plant but also provide route …

for bacterial or fungal infection

39. In the Inhofe tank, settling occurs in the upper compartment

settling compartment

40. The septic tank can be a single-chamber tank or a two-compartment tank

called an Inhofe tank

41. Why frogs are helpful as bioindicator--- Frogs are also Bioindicators; influenced by changes that take place in their freshwater and terrestrial habitats
42. Which of the following is not linked to biomagnifications

…(other than those) • long-lived, • mobile, • soluble in fats, • biologically active

43. Which of the following is not fate of water
44. Which of does not use to make vessel of biofilters

may be formic sheet

45. A strain of Pseudomonas putida known to -----------

degrade PCBs

46. In the soil, a pollutant has basically -----------possible destinations: retention in the soil matrix, retention by the plants, appearance in the underground water and collection by underdrains

four

47. In the Imhoff tank, settling occurs in the upper compartment

settling compartment

48. septic tank can be a single-chamber tank or a two-compartment tank called

an Inhofe tanks

49. -----------------which receive raw sewage is also known as primary ponds Facultative ponds
50. A strain of ----------------putrid known to degrade PCBs

Pseudomonas

51. Mere a gene is one of a ……involved in bacterial detoxification of mercury, and is the one coding for the enzyme, mercuric ion reeducates, which converts …….from an ionic to a…….

cluster of genes mercury volatile form

52. ---------------- also known as microalgae, are similar to terrestrial plants in that they contain chlorophyll and require daylight to live and develop

Phytoplanktons

53. ----------------are microscopic animals living near to the surface of the water body. They are poor swimmers, instead relying on tides and currents as a transport mechanism. They feed upon phytoplanktons, bacterioplanktons, or detritus (i.e. marine snow).

Zooplanktons

54. The …..released in air by the processes of weathering, erosion and volcanic activity

metals

55. The nature of the soil or water which harbors the …..can have a major effect on the actual expressed end-result.

pollution

56. Bio filter consists of a relatively large vessel or container, typically made of cast concrete, metal or

durable plastic

57. Wastewater is applied to the soil, supplying water and nutrients necessary for----- plant growth.
58. Frog are bio indicator by…….

Change in fresh and terrestrial

59. Na+/H+ antiport, …. …in opposite directions across a membrane

the transport of sodium and hydrogen ions

60. Attack by insects is cause……

micrococcus lentos

61. Fundamental requirements are …………….

all of given above

62. Second strategy is usually …………………….

plasmid

63. In the Inhofe tank, settling occurs in the

upper compartment

64. Facultative ponds which receive raw sewage is also known as primary ponds…..

Retention by the plants

65. Septic tanks are also a form of,,,,,,,,,, treatment

primary

66. Due to continuous arrival of food in the form of BOD to the aeration tank, bacteria grow and reproduce continuously.

If an indefinite population growth

1. 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

2. Halophiles are extremely important in environment biotechnology these are microorganisms that survive in

Their cytoplasm contains a higher · concentration of solutes then · their surroundings

Glyphosate ( herbicide) is analyze of phosphenol pyruvate and inhibits the enzyme, the plants that gave the best result were --------.

Petunias

Lichens are used as bioindicators to monitor -------- quality.

Air

Microorganisms are now being used for the removal of pollutants from environment . all of the following statementsin this regards are true except-------.

The tolence degradation pathway and p-cumate

catabolic pathway are coded by genes present

on the same operon.

In bacteria genetic transfer of materials occurs through --------.