Biotechnology MCQ & Objective Questions
Biotechnology is a crucial subject for students preparing for school and competitive exams in India. Understanding its concepts can significantly enhance your performance. Practicing MCQs and objective questions in Biotechnology not only helps in reinforcing your knowledge but also boosts your confidence in tackling important questions during exams.
What You Will Practise Here
Fundamentals of Genetic Engineering
Applications of Biotechnology in Medicine
Biotechnological Techniques: PCR, Cloning, and Sequencing
Microbial Biotechnology and its Industrial Applications
Plant Biotechnology: GMOs and Tissue Culture
Ethical Issues in Biotechnology
Important Definitions and Key Formulas
Exam Relevance
Biotechnology is a significant topic in various examinations, including CBSE, State Boards, NEET, and JEE. Students can expect questions related to the applications of biotechnology, techniques used in genetic engineering, and ethical considerations. Common patterns include multiple-choice questions that test conceptual understanding and application of theories in real-world scenarios.
Common Mistakes Students Make
Confusing different biotechnological techniques and their applications.
Overlooking ethical implications and regulations related to biotechnology.
Misunderstanding the role of enzymes in biotechnological processes.
Failing to connect theoretical concepts with practical applications.
FAQs
Question: What are some key areas to focus on in Biotechnology for exams?Answer: Focus on genetic engineering techniques, applications in medicine, and ethical issues.
Question: How can I improve my performance in Biotechnology MCQs?Answer: Regular practice of objective questions and understanding key concepts will help you score better.
Don't wait any longer! Start solving Biotechnology MCQs today to test your understanding and prepare effectively for your exams. Your success in mastering this subject is just a practice question away!
Q. Which enzyme is crucial for converting starches into fermentable sugars in ethanol production?
A.
Amylase
B.
Cellulase
C.
Protease
D.
Lipase
Show solution
Solution
Amylase is crucial for converting starches into fermentable sugars during the ethanol production process.
Correct Answer:
A
— Amylase
Learn More →
Q. Which gene transfer method uses Agrobacterium tumefaciens?
A.
Biolistics
B.
Agrobacterium-mediated transformation
C.
Electroporation
D.
Microinjection
Show solution
Solution
Agrobacterium-mediated transformation is a method that utilizes the natural ability of Agrobacterium tumefaciens to transfer DNA to plant cells.
Correct Answer:
B
— Agrobacterium-mediated transformation
Learn More →
Q. Which ion is crucial for the opening and closing of stomata?
A.
Calcium
B.
Potassium
C.
Sodium
D.
Magnesium
Show solution
Solution
Potassium ions play a key role in the turgor pressure changes that open and close stomata.
Correct Answer:
B
— Potassium
Learn More →
Q. Which medium is commonly used for plant cell culture?
A.
Nutrient agar
B.
Murashige and Skoog medium
C.
Luria-Bertani broth
D.
Potato dextrose agar
Show solution
Solution
Murashige and Skoog medium is a widely used nutrient medium for plant cell culture.
Correct Answer:
B
— Murashige and Skoog medium
Learn More →
Q. Which medium is specifically designed for the culture of orchid tissues?
A.
Murashige and Skoog
B.
Gamborg's B5
C.
Orchid medium
D.
Nitsch and Nitsch
Show solution
Solution
Orchid medium is specifically formulated to meet the unique nutritional requirements of orchid tissues.
Correct Answer:
C
— Orchid medium
Learn More →
Q. Which of the following antibiotics is a beta-lactam?
A.
Doxycycline
B.
Ciprofloxacin
C.
Penicillin
D.
Clindamycin
Show solution
Solution
Penicillin is a beta-lactam antibiotic that targets bacterial cell wall synthesis.
Correct Answer:
C
— Penicillin
Learn More →
Q. Which of the following antibiotics is classified as a macrolide?
A.
Ciprofloxacin
B.
Azithromycin
C.
Vancomycin
D.
Amoxicillin
Show solution
Solution
Azithromycin is a macrolide antibiotic that inhibits bacterial protein synthesis.
Correct Answer:
B
— Azithromycin
Learn More →
Q. Which of the following antibiotics is contraindicated in pregnancy?
A.
Amoxicillin
B.
Ciprofloxacin
C.
Clindamycin
D.
Erythromycin
Show solution
Solution
Ciprofloxacin is contraindicated in pregnancy due to potential risks to the fetus.
Correct Answer:
B
— Ciprofloxacin
Learn More →
Q. Which of the following conditions may be aggravated by excessive vinegar consumption?
A.
Diabetes
B.
Gastroesophageal reflux disease (GERD)
C.
Hypertension
D.
Anemia
Show solution
Solution
Excessive vinegar consumption can aggravate symptoms of gastroesophageal reflux disease (GERD).
Correct Answer:
B
— Gastroesophageal reflux disease (GERD)
Learn More →
Q. Which of the following crops can be propagated using synthetic seeds?
A.
Wheat
B.
Rice
C.
Tomato
D.
All of the above
Show solution
Solution
Synthetic seeds can be used to propagate a variety of crops, including wheat, rice, and tomato.
Correct Answer:
D
— All of the above
Learn More →
Q. Which of the following diseases can be treated with monoclonal antibodies?
A.
Diabetes
B.
Asthma
C.
Rheumatoid arthritis
D.
Hypertension
Show solution
Solution
Monoclonal antibodies are used to treat autoimmune diseases like rheumatoid arthritis.
Correct Answer:
C
— Rheumatoid arthritis
Learn More →
Q. Which of the following is a benefit of recycling?
A.
Increased landfill waste
B.
Conservation of natural resources
C.
Higher energy consumption
D.
More pollution
Show solution
Solution
Recycling helps conserve natural resources and reduces the amount of waste sent to landfills.
Correct Answer:
B
— Conservation of natural resources
Learn More →
Q. Which of the following is a characteristic of monoclonal antibodies?
A.
They are polyclonal
B.
They are specific to a single epitope
C.
They are produced by multiple cell lines
D.
They have a short half-life
Show solution
Solution
Monoclonal antibodies are specific to a single epitope, making them highly targeted.
Correct Answer:
B
— They are specific to a single epitope
Learn More →
Q. Which of the following is a common application of biochips?
A.
Blood glucose monitoring
B.
DNA sequencing
C.
Protein synthesis
D.
Cell culture
Show solution
Solution
Biochips are commonly used in DNA sequencing applications, allowing for the analysis of genetic material on a small scale.
Correct Answer:
B
— DNA sequencing
Learn More →
Q. Which of the following is a common application of gene transfer in plants?
A.
Improving drought resistance
B.
Enhancing flavor
C.
Increasing yield
D.
All of the above
Show solution
Solution
Gene transfer techniques are used for various applications, including improving drought resistance, enhancing flavor, and increasing yield.
Correct Answer:
D
— All of the above
Learn More →
Q. Which of the following is a common contaminant in animal cell cultures?
A.
Fungi
B.
Bacteria
C.
Mycoplasma
D.
All of the above
Show solution
Solution
All of the above are common contaminants in animal cell cultures, which can adversely affect cell growth and experimental results.
Correct Answer:
D
— All of the above
Learn More →
Q. Which of the following is a common feedstock for second-generation ethanol production?
A.
Corn starch
B.
Sugarcane
C.
Cellulosic biomass
D.
Barley malt
Show solution
Solution
Cellulosic biomass is a common feedstock for second-generation ethanol production, utilizing non-food plant materials.
Correct Answer:
C
— Cellulosic biomass
Learn More →
Q. Which of the following is a common health effect of air pollution?
A.
Increased bone density
B.
Respiratory diseases
C.
Improved cardiovascular health
D.
Enhanced immune response
Show solution
Solution
Air pollution is linked to various respiratory diseases, including asthma and chronic bronchitis.
Correct Answer:
B
— Respiratory diseases
Learn More →
Q. Which of the following is a common method for creating transgenic plants?
A.
Gene editing using CRISPR
B.
Traditional crossbreeding
C.
Hydroponics
D.
Soil amendment
Show solution
Solution
Gene editing using CRISPR is a common method for creating transgenic plants by directly modifying the plant's DNA.
Correct Answer:
A
— Gene editing using CRISPR
Learn More →
Q. Which of the following is a common method for initiating plant cell culture?
A.
Seed germination
B.
Cutting and grafting
C.
Tissue explantation
D.
Soil planting
Show solution
Solution
Tissue explantation is a common method for initiating plant cell culture, where small pieces of plant tissue are used to grow new plants.
Correct Answer:
C
— Tissue explantation
Learn More →
Q. Which of the following is a common method for plant genetic transformation?
A.
Microinjection
B.
Electroporation
C.
Agrobacterium-mediated transformation
D.
All of the above
Show solution
Solution
All of the listed methods are used for transforming plant cells genetically.
Correct Answer:
D
— All of the above
Learn More →
Q. Which of the following is a common method for plant tissue culture?
A.
Micropropagation
B.
Hydroponics
C.
Aeroponics
D.
Xeriscaping
Show solution
Solution
Micropropagation is a common method used in plant tissue culture to produce large numbers of plants from a small tissue sample.
Correct Answer:
A
— Micropropagation
Learn More →
Q. Which of the following is a common method for synthesizing therapeutic agents?
A.
Biotransformation
B.
Polymerization
C.
Hydrolysis
D.
Electrolysis
Show solution
Solution
Biotransformation is a common method used in the synthesis of therapeutic agents.
Correct Answer:
A
— Biotransformation
Learn More →
Q. Which of the following is a common selectable marker used in plant gene transfer?
A.
Kanamycin resistance
B.
Ampicillin resistance
C.
Tetracycline resistance
D.
Streptomycin resistance
Show solution
Solution
Kanamycin resistance is commonly used as a selectable marker in plant gene transfer to identify successfully transformed cells.
Correct Answer:
A
— Kanamycin resistance
Learn More →
Q. Which of the following is a common source of citric acid?
A.
Lemons
B.
Vinegar
C.
Honey
D.
Salt
Show solution
Solution
Lemons are a well-known source of citric acid, which is abundant in citrus fruits.
Correct Answer:
A
— Lemons
Learn More →
Q. Which of the following is a common source of explants for plant cell culture?
A.
Roots
B.
Leaves
C.
Seeds
D.
All of the above
Show solution
Solution
All of the above (roots, leaves, and seeds) can serve as common sources of explants for plant cell culture.
Correct Answer:
D
— All of the above
Learn More →
Q. Which of the following is a common type of cloning vector?
A.
Plasmids
B.
Ribosomes
C.
Chromosomes
D.
Nucleotides
Show solution
Solution
Plasmids are one of the most common types of cloning vectors used in molecular biology.
Correct Answer:
A
— Plasmids
Learn More →
Q. Which of the following is a common type of medium used for animal cell culture?
A.
Nutrient agar
B.
Luria-Bertani broth
C.
Dulbecco's Modified Eagle Medium (DMEM)
D.
Potato dextrose agar
Show solution
Solution
Dulbecco's Modified Eagle Medium (DMEM) is a widely used culture medium for animal cells, providing essential nutrients.
Correct Answer:
C
— Dulbecco's Modified Eagle Medium (DMEM)
Learn More →
Q. Which of the following is a common use of citric acid in food preservation?
A.
Enhancing flavor
B.
Coloring agent
C.
pH adjustment
D.
Sweetening agent
Show solution
Solution
Citric acid is often used in food preservation to adjust pH, which helps inhibit microbial growth.
Correct Answer:
C
— pH adjustment
Learn More →
Q. Which of the following is a common use of monoclonal antibodies in cancer treatment?
A.
Chemotherapy
B.
Radiation therapy
C.
Targeted therapy
D.
Surgery
Show solution
Solution
Monoclonal antibodies are often used in targeted therapy to specifically attack cancer cells.
Correct Answer:
C
— Targeted therapy
Learn More →
Showing 151 to 180 of 245 (9 Pages)