Q. Which of the following is a method of contraception? (2019)
A.
Abstinence
B.
Natural selection
C.
Genetic engineering
D.
Evolution
Show solution
Solution
Abstinence is a method of contraception that involves refraining from sexual activity to prevent pregnancy.
Correct Answer:
A
— Abstinence
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Q. Which of the following is a method of controlling microbial growth in food? (2022)
A.
Refrigeration
B.
Boiling
C.
Canning
D.
All of the above
Show solution
Solution
All of the mentioned methods are effective in controlling microbial growth in food.
Correct Answer:
D
— All of the above
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Q. Which of the following is a method of gene therapy? (2021)
A.
Using antibiotics
B.
Inserting a healthy gene into a patient's cells
C.
Cloning
D.
Creating genetically modified crops
Show solution
Solution
Gene therapy involves inserting a healthy gene into a patient's cells to treat genetic disorders.
Correct Answer:
B
— Inserting a healthy gene into a patient's cells
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Q. Which of the following is a method of in-situ conservation? (2019)
A.
Botanical gardens
B.
Seed banks
C.
Wildlife sanctuaries
D.
Zoos
Show solution
Solution
Wildlife sanctuaries are a method of in-situ conservation as they protect species in their natural habitats.
Correct Answer:
C
— Wildlife sanctuaries
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Q. Which of the following is a method of preserving food using microbes? (2022)
A.
Canning
B.
Freezing
C.
Fermentation
D.
Drying
Show solution
Solution
Fermentation is a method of preserving food by using microbes to produce acids or alcohol that inhibit spoilage.
Correct Answer:
C
— Fermentation
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Q. Which of the following is a method of preventing the spread of infectious diseases? (2022)
A.
Vaccination
B.
Eating healthy
C.
Drinking water
D.
Exercising
Show solution
Solution
Vaccination is a key method for preventing the spread of infectious diseases by building immunity.
Correct Answer:
A
— Vaccination
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Q. Which of the following is a method of producing insulin using biotechnology? (2018)
A.
Fermentation
B.
Hybridization
C.
Cloning
D.
Cross-breeding
Show solution
Solution
Insulin is produced using fermentation processes involving genetically modified bacteria.
Correct Answer:
A
— Fermentation
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Q. Which of the following is a method of using microbes for waste treatment? (2023)
A.
Incineration
B.
Composting
C.
Landfilling
D.
Chemical treatment
Show solution
Solution
Composting utilizes microbes to decompose organic waste into nutrient-rich compost.
Correct Answer:
B
— Composting
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Q. Which of the following is a method of using microbes to clean up the environment? (2023)
A.
Bioremediation
B.
Vaccination
C.
Pasteurization
D.
Fermentation
Show solution
Solution
Bioremediation is the process of using microbes to clean up contaminated environments.
Correct Answer:
A
— Bioremediation
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Q. Which of the following is a method of vegetative propagation? (2023)
A.
Cutting
B.
Budding
C.
Binary fission
D.
All of the above
Show solution
Solution
Cutting is a method of vegetative propagation where a part of the plant is cut and planted to grow a new plant.
Correct Answer:
A
— Cutting
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Q. Which of the following is a method of water transport in plants?
A.
Cohesion
B.
Adhesion
C.
Both cohesion and adhesion
D.
None of the above
Show solution
Solution
Both cohesion (water molecules sticking to each other) and adhesion (water molecules sticking to other surfaces) are important for water transport in plants.
Correct Answer:
C
— Both cohesion and adhesion
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Q. Which of the following is a method used for cloning in biotechnology? (2019)
A.
Somatic cell nuclear transfer
B.
Polymerase chain reaction
C.
Gel electrophoresis
D.
DNA sequencing
Show solution
Solution
Somatic cell nuclear transfer is a method used for cloning, where the nucleus of a somatic cell is transferred to an egg cell.
Correct Answer:
A
— Somatic cell nuclear transfer
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Q. Which of the following is a method used for cloning in plants? (2022)
A.
Micropropagation
B.
Electroporation
C.
Transfection
D.
PCR
Show solution
Solution
Micropropagation is a method used for cloning plants by growing them from small tissue samples in a controlled environment.
Correct Answer:
A
— Micropropagation
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Q. Which of the following is a method used for gene cloning? (2023)
A.
PCR
B.
Gel electrophoresis
C.
DNA sequencing
D.
All of the above
Show solution
Solution
PCR (Polymerase Chain Reaction) is a method used for amplifying DNA, which is essential in gene cloning.
Correct Answer:
A
— PCR
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Q. Which of the following is a method used for gene editing? (2021)
A.
PCR
B.
CRISPR-Cas9
C.
Gel electrophoresis
D.
DNA sequencing
Show solution
Solution
CRISPR-Cas9 is a revolutionary gene editing technology that allows for precise modifications to DNA.
Correct Answer:
B
— CRISPR-Cas9
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Q. Which of the following is a method used for gene transfer in plants? (2021)
A.
Microinjection
B.
Electroporation
C.
Agrobacterium-mediated transformation
D.
All of the above
Show solution
Solution
Agrobacterium-mediated transformation is a widely used method for transferring genes into plant cells, making it a key technique in plant biotechnology.
Correct Answer:
C
— Agrobacterium-mediated transformation
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Q. Which of the following is a method used for the production of genetically modified organisms? (2023)
A.
Polymerase chain reaction
B.
Microinjection
C.
Gel electrophoresis
D.
Cloning
Show solution
Solution
Microinjection is a method used to introduce foreign DNA into the cells of an organism, facilitating the creation of genetically modified organisms.
Correct Answer:
B
— Microinjection
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Q. Which of the following is a method used for the production of insulin? (2022)
A.
Fermentation
B.
Transcription
C.
Translation
D.
Photosynthesis
Show solution
Solution
Insulin is produced using fermentation processes involving genetically modified bacteria that express the insulin gene.
Correct Answer:
A
— Fermentation
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Q. Which of the following is a method used for the production of monoclonal antibodies? (2022)
A.
Hybridoma technology
B.
Gene cloning
C.
PCR
D.
DNA sequencing
Show solution
Solution
Hybridoma technology is the method used for the production of monoclonal antibodies by fusing myeloma cells with specific immune cells.
Correct Answer:
A
— Hybridoma technology
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Q. Which of the following is a method used for the production of transgenic animals? (2023)
A.
Microinjection
B.
Electroporation
C.
Gene gun
D.
All of the above
Show solution
Solution
Microinjection, electroporation, and gene gun techniques are all methods used to produce transgenic animals.
Correct Answer:
D
— All of the above
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Q. Which of the following is a method used in gene therapy? (2023)
A.
CRISPR-Cas9
B.
Polymerase chain reaction
C.
Gel electrophoresis
D.
DNA sequencing
Show solution
Solution
CRISPR-Cas9 is a revolutionary method used for gene editing and is a key tool in gene therapy.
Correct Answer:
A
— CRISPR-Cas9
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Q. Which of the following is a method used in the production of genetically modified crops? (2020)
A.
Polymerase chain reaction
B.
Microinjection
C.
Electrophoresis
D.
Chromatography
Show solution
Solution
Microinjection is a method used to introduce foreign DNA into plant cells to create genetically modified crops.
Correct Answer:
B
— Microinjection
Learn More →
Q. Which of the following is a method used in the production of insulin? (2018)
A.
Fermentation
B.
Photosynthesis
C.
Transcription
D.
Translation
Show solution
Solution
Insulin is produced using fermentation processes involving genetically modified bacteria that can synthesize insulin.
Correct Answer:
A
— Fermentation
Learn More →
Q. Which of the following is a micronutrient? (2022)
A.
Calcium
B.
Magnesium
C.
Copper
D.
Nitrogen
Show solution
Solution
Copper is classified as a micronutrient, required in trace amounts for plant growth and development.
Correct Answer:
C
— Copper
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Q. Which of the following is a modified leaf in flowering plants? (2020)
A.
Stamen
B.
Petal
C.
Sepal
D.
Bract
Show solution
Solution
Bracts are modified leaves that can be found associated with flowers.
Correct Answer:
D
— Bract
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Q. Which of the following is a modified leaf that forms part of the flower? (2022)
A.
Bract
B.
Node
C.
Internode
D.
Petiole
Show solution
Solution
A bract is a modified leaf that can be found at the base of a flower or inflorescence.
Correct Answer:
A
— Bract
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Q. Which of the following is a modified stem? (2019)
A.
Tuber
B.
Rhizome
C.
Bulb
D.
All of the above
Show solution
Solution
All of the options listed (tuber, rhizome, and bulb) are examples of modified stems.
Correct Answer:
D
— All of the above
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Q. Which of the following is a multicellular organism? (2021)
A.
Amoeba
B.
Paramecium
C.
Hydra
D.
Bacteria
Show solution
Solution
Hydra is a multicellular organism, while the others are unicellular.
Correct Answer:
C
— Hydra
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Q. Which of the following is a non-cellular living entity? (2023)
A.
Bacteria
B.
Fungi
C.
Virus
D.
Protozoa
Show solution
Solution
Viruses are non-cellular entities that require a host cell to replicate.
Correct Answer:
C
— Virus
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Q. Which of the following is a non-communicable disease? (2022)
A.
Influenza
B.
Diabetes
C.
Hepatitis
D.
Tuberculosis
Show solution
Solution
Diabetes is classified as a non-communicable disease.
Correct Answer:
B
— Diabetes
Learn More →
Showing 961 to 990 of 1387 (47 Pages)
Biology (NEET) MCQ & Objective Questions
Biology is a crucial subject for students preparing for the NEET exam, as it covers essential concepts that form the foundation of life sciences. Practicing MCQs and objective questions in Biology not only enhances your understanding but also boosts your confidence during exams. Regular practice with important questions helps in identifying key areas and improves your overall exam preparation.
What You Will Practise Here
Cell Structure and Function
Genetics and Evolution
Human Physiology and Anatomy
Plant Physiology and Morphology
Ecology and Environment
Biotechnology and its Applications
Reproduction and Development in Organisms
Exam Relevance
The topics covered in Biology are integral to various examinations, including CBSE, State Boards, NEET, and JEE. In NEET, Biology constitutes a significant portion of the question paper, often comprising around 50% of the total marks. Common question patterns include multiple-choice questions that test both conceptual understanding and factual knowledge, making it essential to be well-prepared with objective questions.
Common Mistakes Students Make
Confusing similar terms, such as mitosis and meiosis.
Overlooking diagrams and their labels, which are often crucial for answering questions.
Neglecting the application of concepts in real-life scenarios.
Rushing through questions without fully understanding what is being asked.
FAQs
Question: What are the best ways to prepare for Biology (NEET) MCQs?Answer: Regularly practice MCQs, review important concepts, and focus on understanding diagrams and processes.
Question: How can I improve my accuracy in answering objective questions?Answer: Take timed quizzes, analyze your mistakes, and revisit challenging topics to strengthen your grasp.
Start solving practice MCQs today to enhance your understanding and readiness for the NEET exam. Every question you tackle brings you one step closer to your goal!