Xenobiotic waste are Compounds formed due to pre-industrial contamination Compou

Question

Xenobiotic waste are Compounds formed due to pre-industrial contamination Compounds formed due to post-industrial contamination Familiar to natural ecosystem More subject to degradation The phase on the pure culture bacteria growth curve in which number of organisms increase exponentially for a finite period of time is known as the Log phase Lag phase Death phase Growth phase Bacteria in the pure culture could not continue to increase ad infinitum Why? Sand is easier to sample than rain; true or false. Suspension of airborne particles that contain living organisms Bioaerosols Aerosols Pathogens (a) and (b) Afiatoxins are primarily found in Peanut Wood Metals fossils A Federal program established to support the cleaning up of abandoned hazardous waste sites is called Remediation Support fund Superfund Waste support program Example of an Anthropogenic pollutants will be Neon Argon

Explanation / Answer

5. Xenobiotic waste are

a. Compounds formed due to pre-industrial contamination

b. Compounds formed due to post-industrial contamination

c. Familiar to nature ecosystem

d. More subjects to degradation

                 Answer:b

6. The phase on the pure culture bacteria growth curve in which number of organisms increase exponentially for a finite period of time is known as the

a. Log phase

b. Lag phase

c. Death phase

d. Growth phase

                 Answer : a.

7. Bacteria in the pure culture could not continue to increase ad infinitum. Why?

In pure culture multicellular organism isolate by simply picking out a single individual to intiate culture.

This technique used to pure culture of fungi, algea etc.

In the log phase the growth of the bacteria is maximum.

The bacterial growth for infinitum cannot be possible because the medium soon depleted of nutrient and increased with wastes

8. Sand is easier to sample than rain, true or false

            Answer: true

9. Suspension of airborne particles that contain living organisms

a. Bioaerosols

b. Aerosols

c. Pathogens

d. a) and b)

                        Answer: a

10. Aflatoxins are primarily found in

a. Peanut

b. Wood

c. Metals

d. Fossils

                 Answer: a

11. A Federal program established to support the cleaning up of abandoned hazardous waste sites is called

a. Remediation

b. Support fund

c. Superfund

d. Waste support program

                 Answer: c

12. Examples of an Anthropogenic pollutants will be

a. Neon

b. Argon

                 Answer : b

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