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CBSE
Class 12
Biotechnology
Biotechnology
Bioremediation

Question Bank

Practice Hub

Question Bank: Bioremediation

This chapter discusses bioremediation, focusing on the use of microorganisms to treat environmental pollutants. It highlights its significance in improving ecosystem health.

Structured practice
Question Practice

Practice chapter questions in a cleaner, exam-ready flow

Start with curated question sets, move into full module views when needed, and keep discovering related practice without losing your place in the chapter.

Question Bank - Bioremediation

View all (63)
Q1.

What does sewage primarily consist of?

Single Answer MCQ
Q-00096588
View explanation
Q2.

What is Biological Oxygen Demand (BOD) a measure of?

Single Answer MCQ
Q-00096589
View explanation
Q3.

What is the main purpose of the primary treatment of sewage?

Single Answer MCQ
Q-00096590
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Q4.

Which microorganisms are predominantly involved in the secondary treatment of sewage?

Single Answer MCQ
Q-00096591
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Q5.

What is tertiary treatment primarily aimed at removing from sewage?

Single Answer MCQ
Q-00096592
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Q6.

How does phytoremediation work?

Single Answer MCQ
Q-00096593
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Q7.

What type of waste does not typically require specific treatment methods?

Single Answer MCQ
Q-00096594
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Q8.

Which of the following components is NOT usually removed in the secondary sewage treatment?

Single Answer MCQ
Q-00096595
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Q9.

In aerobic decomposition during sewage treatment, what is primarily utilized by microorganisms?

Single Answer MCQ
Q-00096596
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Q10.

Which stage of sewage treatment involves the use of physical processes?

Single Answer MCQ
Q-00096597
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Q11.

Which pollutant can be effectively treated by bioremediation?

Single Answer MCQ
Q-00096598
View explanation
Q12.

What is a common feature of all types of solid waste?

Single Answer MCQ
Q-00096599
View explanation
Q13.

Why is it important to segregate biomedical waste?

Single Answer MCQ
Q-00096600
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Q14.

Which of the following compounds is commonly monitored in wastewater treatment?

Single Answer MCQ
Q-00096601
View explanation
Q15.

What is one disadvantage of anaerobic treatment processes?

Single Answer MCQ
Q-00096602
View explanation
Q16.

How do heavy metals influence the treatment of wastewater?

Single Answer MCQ
Q-00096603
View explanation
Q17.

What is the primary purpose of biomedical waste management?

Single Answer MCQ
Q-00096604
View explanation
Q18.

Which color-coded container is used for sharp waste disposal?

Single Answer MCQ
Q-00096605
View explanation
Q19.

What type of waste is categorized as yellow under the Biomedical Waste Management Rules?

Single Answer MCQ
Q-00096606
View explanation
Q20.

Which of the following is NOT considered biomedical waste?

Single Answer MCQ
Q-00096607
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Q21.

According to the BMWM, what is the color code for contaminated plastic waste?

Single Answer MCQ
Q-00096608
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Q22.

What is the main risk associated with wastes categorized under Risk Group 2?

Single Answer MCQ
Q-00096609
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Q23.

Which type of waste is stored in a blue container?

Single Answer MCQ
Q-00096610
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Q24.

What does the term 'anatomical waste' refer to?

Single Answer MCQ
Q-00096611
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Q25.

Why is safe disposal of biomedical waste critical in hospitals?

Single Answer MCQ
Q-00096612
View explanation
Q26.

Which category of biomedical waste includes syringes without needles?

Single Answer MCQ
Q-00096613
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Q27.

What is the role of protozoans in compost related to biomedical waste?

Single Answer MCQ
Q-00096614
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Q28.

Which method is commonly used for the safe disposal of chemical waste in healthcare?

Single Answer MCQ
Q-00096615
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Q29.

What is a common misconception about biomedical waste?

Single Answer MCQ
Q-00096616
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Q30.

What is the implication of mixing different types of biomedical waste?

Single Answer MCQ
Q-00096617
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Q31.

What does the white container specifically denote in biomedical waste management?

Single Answer MCQ
Q-00096618
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Q32.

What is the primary aim of solid waste management?

Single Answer MCQ
Q-00096619
View explanation
Q33.

Which of the following is not a common source of solid waste?

Single Answer MCQ
Q-00096620
View explanation
Q34.

Which method is commonly used for recycling organic waste?

Single Answer MCQ
Q-00096621
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Q35.

What could be a potential hazard of improper solid waste disposal?

Single Answer MCQ
Q-00096622
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Q36.

Which of the following is true regarding the treatment of wastewater containing nitrogen?

Single Answer MCQ
Q-00096623
View explanation
Q37.

Which step is NOT typically part of the solid waste management process?

Single Answer MCQ
Q-00096624
View explanation
Q38.

The recycling of used tires is advised to be done by:

Single Answer MCQ
Q-00096625
View explanation
Q39.

Which category of waste involves items that cannot be reused or recycled easily?

Single Answer MCQ
Q-00096626
View explanation
Q40.

The process of activating carbon in water treatment is primarily used for:

Single Answer MCQ
Q-00096627
View explanation
Q41.

What is one of the main advantages of sorting solid waste at the source?

Single Answer MCQ
Q-00096628
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Q42.

What are the primary components of municipal solid waste?

Single Answer MCQ
Q-00096629
View explanation
Q43.

Which of the following methods is efficient in treating water that contains phosphorus?

Single Answer MCQ
Q-00096630
View explanation
Q44.

In terms of community-level solid waste management, it is essential to:

Single Answer MCQ
Q-00096631
View explanation
Q45.

What legal framework supports effective solid waste management?

Single Answer MCQ
Q-00096632
View explanation
Q46.

What best describes bioremediation in the context of solid waste management?

Single Answer MCQ
Q-00096633
View explanation
Q47.

In the context of solid waste, the term 'eutrophication' primarily refers to:

Single Answer MCQ
Q-00096634
View explanation
Q48.

What advanced method is employed to treat nitrogen in wastewater?

Single Answer MCQ
Q-00096635
View explanation
Q49.

What is the primary goal of bioremediation in the context of pesticides?

Single Answer MCQ
Q-00096636
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Q50.

Which microorganisms are primarily utilized in the bioremediation of pesticides?

Single Answer MCQ
Q-00096637
View explanation
Q51.

Which enzyme primarily facilitates the oxidation of pesticides during bioremediation?

Single Answer MCQ
Q-00096638
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Q52.

What environmental factors affect the efficacy of pesticide bioremediation?

Single Answer MCQ
Q-00096640
View explanation
Q53.

How do esterases contribute to pesticide bioremediation?

Single Answer MCQ
Q-00096642
View explanation
Q54.

Which class of pesticide is typically resistant to bioremediation due to its polymeric nature?

Single Answer MCQ
Q-00096644
View explanation
Q55.

What is the role of cytochrome P450 in the bioremediation of pesticides?

Single Answer MCQ
Q-00096646
View explanation
Q56.

Which bacteria has been identified to possess genes enabling it to degrade atrazine?

Single Answer MCQ
Q-00096648
View explanation
Q57.

What is a common outcome of successful pesticide bioremediation?

Single Answer MCQ
Q-00096650
View explanation
Q58.

Which of the following processes is NOT involved in pesticide degradation by microbes?

Single Answer MCQ
Q-00096652
View explanation
Q59.

What is the significance of using microbial enzymes in bioremediation?

Single Answer MCQ
Q-00096654
View explanation
Q60.

Which factor contributes to the complexity of pesticide degradation during bioremediation?

Single Answer MCQ
Q-00096656
View explanation
Q61.

What is a primary challenge in the bioremediation of pesticides?

Single Answer MCQ
Q-00096658
View explanation
Q62.

What type of pesticide generally poses the highest risk for contamination in soils?

Single Answer MCQ
Q-00096660
View explanation
Q63.

What is one benefit of using bioremediation over conventional methods?

Single Answer MCQ
Q-00096662
View explanation
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