Environmental Biotechnology MCQ Questions & Answers

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A biogeochemical cycle is the

A) Cycling of energy through the biosphere B) A part of pollution meat must plats C) Global meteorological cycles D) Cycling of elements through the biotic and abiotic sphere

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Species diversity is generally higher in ecosystem experiencing

A) No disturbance B) Moderate disturbance C) High disturbance D) Drastic disturbance

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Photovoltaics (solar cells) work on the principle of

A) Raman effect B) Zeeman effect C) Photoelectric effect D) Faraday effect

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Answer & Solution

Answer: Option C

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Which of this remote sensing tool is commonly used for groundwater exploration and soil moisture determination?

A) Colour composite imageries B) Band 5 spectra C) Infra-red spectra D) Black and white aerial photos

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

One of the purpose of secondary treatment of industrial waste water and sewage is to

A) Increase the chlorine content B) Reduce the BOD C) Encourage the formation of PCBs D) Discharge ammonification

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The disinfection method by chlorine is most commonly used method, the other method/s is/are

A) Ozonation B) Irradiation ultraviolet light C) Both A and B D) Hydrogenation

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The presence of CO₂ in biogas

A) Increases its calorific value B) Makes it liquid C) Does not influence its calorific value D) Decreases its calorific value

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Bioremediation of organic wastes is generally based on which of the following?

A) Bacteria B) Animal species C) Plant species D) Both A and B

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Which of the following is for rhizosphere?

A) Region where soil and roots make contact B) Apical part of root C) Epidermal part of the root D) Root hairs

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Answer & Solution

Answer: Option D

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Which of the following is being used to produce "super bioabsorbent", a polysaccharide which is composed of glucose and glucuronic acid?

A) Alcaligenes luteus B) Pseudomonas putida C) Thermus aquaticus D) Penicillium notatum

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Environmental Biotechnology MCQ Questions & Answers | Biotechnology