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NEET Biology: Application of Biotechnology in health and agriculture Practice Questions

10 free multiple-choice questions on Application of Biotechnology in health and agriculture (Biotechnology and Its Applications) for NEET Biology, each with the correct answer and a step-by-step explanation. Attempt a question, then reveal the solution to check your reasoning.

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  1. Q1. Biotechnology plays a significant role in the mass production of human insulin. This process relies on which fundamental biological principle?

    • AGene silencing
    • BRecombinant DNA technology
    • CApoptosis induction
    • DTransduction
    Show answer & explanation

    Correct answer: B — Recombinant DNA technology

    The production of human insulin in bacteria involves inserting the human insulin gene into the bacterial plasmid (recombinant DNA technology), allowing the bacteria to produce the desired human protein in large quantities.

  2. Q2. Which of the following is a primary application of biotechnology in the field of health?

    • ABiofuel generation
    • BLarge-scale fermentation of food products
    • CDevelopment of diagnostic tools
    • DProduction of industrial enzymes
    Show answer & explanation

    Correct answer: C — Development of diagnostic tools

    Biotechnology plays a crucial role in developing sophisticated diagnostic tools (like PCR) and developing novel therapeutics (like insulin production) for human health.

  3. Q3. Which of the following biotechnology applications is primarily used in developing diagnostic tools for genetic disorders in humans?

    • ACreation of transgenic livestock
    • BGenetic screening and sequencing
    • CBt Cotton production
    • DProduction of insulin
    Show answer & explanation

    Correct answer: B — Genetic screening and sequencing

    Genetic screening and sequencing are fundamental biotechnological techniques used to identify specific gene mutations responsible for genetic disorders in humans, forming the basis for accurate diagnostics.

  4. Q4. The development of genetically modified organisms (GMOs) in agriculture is an application of biotechnology mainly aimed at:

    • AIncreasing food security and crop yield
    • BDecreasing water consumption exclusively
    • CReducing the need for fertilizers
    • DImproving soil quality only
    Show answer & explanation

    Correct answer: A — Increasing food security and crop yield

    GMOs are developed to enhance agricultural productivity, primarily by making crops more resistant to pests, diseases, or environmental stresses, thereby increasing food security.

  5. Q5. The production of human insulin using genetically modified bacteria is a classic example of biotechnology application in which field?

    • AAnimal Biotechnology
    • BEnvironmental Biotechnology
    • CMedical Biotechnology
    • DAgricultural Biotechnology
    Show answer & explanation

    Correct answer: C — Medical Biotechnology

    The use of microorganisms (bacteria) to produce essential human proteins like insulin falls under Medical Biotechnology, specifically therapeutic applications.

  6. Q6. Which biotechnological approach is primarily utilized in developing genetically modified crops for enhanced pest resistance?

    • AMarker-assisted selection
    • BGene silencing techniques
    • CRecombinant DNA technology
    • DMicrobial fermentation
    Show answer & explanation

    Correct answer: C — Recombinant DNA technology

    Marker-assisted selection (MAS) is a modern technique used in plant breeding, often combined with genetic markers identified through biotechnology, to select desirable traits (like pest resistance) more efficiently than traditional breeding methods.

  7. Q7. Insulin for diabetic patients is often produced using which method in biotechnology?

    • APCR amplification
    • BSomatic cell culture
    • CGene editing
    • DRecombinant DNA technology
    Show answer & explanation

    Correct answer: D — Recombinant DNA technology

    Insulin production in humans is achieved by inserting the human insulin gene into bacteria (recombinant DNA) and allowing the bacteria to produce the insulin protein, which is then harvested.

  8. Q8. What is the main goal of using biotechnology in developing disease-resistant crops?

    • ATo increase the growth rate of the plant only
    • BTo change the color of the fruit
    • CTo introduce resistance genes against pests or diseases
    • DTo increase the overall yield without modification
    Show answer & explanation

    Correct answer: C — To introduce resistance genes against pests or diseases

    The primary goal of applying biotechnology to agriculture is to genetically modify crops to possess traits, such as resistance, against pests or diseases.

  9. Q9. In the context of agricultural biotechnology, what is the primary goal of using genetic engineering to modify plant genomes?

    • ATo reduce water consumption
    • BTo increase the rate of photosynthesis
    • CTo enhance nutritional value and yield
    • DTo change the plant's color
    Show answer & explanation

    Correct answer: C — To enhance nutritional value and yield

    The main objective of modifying plant genomes through biotechnology in agriculture is to improve traits such as crop yield, nutritional content, and stress tolerance.

  10. Q10. In the context of biotechnology applications in health, what is the primary role of recombinant DNA technology?

    • ATo synthesize protein for therapeutic purposes
    • BTo enhance microbial growth
    • CTo produce antibiotics only
    • DTo breed crop resistance
    Show answer & explanation

    Correct answer: A — To synthesize protein for therapeutic purposes

    Recombinant DNA technology allows scientists to combine genetic material from different sources to produce specific proteins or therapeutic substances, which is key in producing medicines.

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