Solve your IGNOU Doubts
Solve your IGNOU Doubts
Question:

Explain basic instrumentation for IR Spectrometry and its environmental applications?

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Question:

Encyclopedia of Scienc

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Question:

TEL was banned as a gasoline additive

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Question:

. Lead components are added to gasoline and why was it removed with the advent of catalytic convertors

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Question:

Graphite acts as a lubricant

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Question:

Normal weight gain in pregnancy is:
i) 12-14 kg
ii) 11-12 kg
iii) 8-10 kg
iv) 6-7 kg

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Question:

Sodium hypochlorite used as a disinfectant

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Question:

Normal weight gain in pregnancy is:
i) 12-14 kg
ii) 11-12 kg
iii) 8-10 kg
iv) 6-7 kg

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Question:

HF stored in copper bottles and not glass bottles

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Question:

Give a note on scintillation process and working mechanism of scintillation counter?

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Question:

B.C.G Vaccine protects against:
i) Beri-Beri
ii) Rubella
iii) Tuberculosis
iv) Whooping cough

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Question:

Mechanism of adsorption

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Question:

Biochemical effects of Arsenic & Mercury

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Question:

b) Vaccine is prepared from all of the following agents except:
i) Toxoids
ii) Antibiotics
iii) Live, attenuated organisms
iv) Killed organisms.

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Question:

. Aromatic hydrocarbons as environmental pollutants

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Question:

Chemical equilibrium & Dynamic equilibrium

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Question:

What are the applications of chromatography technique in environmental monitoring? 4. Explain the following with

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Question:

Place a tick mark (/) against the most appropriate answer given under each statement.

a) BCG vaccine is given as:
i) 0.1 ml intradermal
ii) 0.5 ml intradermal
iii) 0.1 ml subcutaneous
iv) 0.5 ml subcutaneous

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Question:

Determinate and Indeterminate Errors

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Question:

Accuracy and Precision 

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