Biotechnology and its Applications Practice Questions
NEET · Biology · 1032 free MCQs with instant results and detailed explanations.
1032
Total
213
Easy
460
Medium
359
Hard
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Topics in Biotechnology and its Applications
Gene Therapy
173
Genetically Modified Organisms
177
Golden Rice
169
Bt Crops
170
Bioethics
171
Transgenic Animals
172
Sample Questions from Biotechnology and its Applications
Here are 10 sample questions. Start a quiz to get randomized questions with scoring.
Q1
Easy
What is the primary purpose of genetically modifying organisms (GMOs)?
A.
Increase yield and resistance to pests
B.
Reduce genetic diversity
C.
Enhance the natural habitat
D.
Eliminate all diseases
Show Answer & Explanation
Correct Answer: A
GMOs are primarily developed to increase agricultural yield and enhance resistance to pests, which benefits food production.
Q2
Easy
Which organism was the first to be genetically modified and commercialized?
A.
Roundup Ready Soybean
B.
Bt Cotton
C.
Flavr Savr Tomato
D.
Golden Rice
Show Answer & Explanation
Correct Answer: C
Flavr Savr Tomato was the first genetically modified organism to be approved for commercial sale in the early 1990s.
Q3
Easy
What technique is commonly used to introduce foreign DNA into host cells?
A.
Electroporation
B.
Photosynthesis
C.
Fermentation
D.
Chromatography
Show Answer & Explanation
Correct Answer: A
Electroporation is a method that uses electrical pulses to create temporary pores in cell membranes, allowing DNA to enter.
Q4
Medium
Which of the following is a benefit of genetically modified organisms (GMOs) in agriculture?
A.
Increased crop yield
B.
Decreased resistance to pests
C.
Reduced nutritional content
D.
Increased dependence on chemical fertilizers
Show Answer & Explanation
Correct Answer: A
GMOs are designed to enhance certain traits, and increased crop yield is a primary objective of GMO development to ensure food security.
Q5
Medium
Which of the following techniques is commonly used to introduce foreign DNA into a plant cell?
A.
Electroporation
B.
Transfection
C.
Microinjection
D.
Agrobacterium-mediated transformation
Show Answer & Explanation
Correct Answer: D
Agrobacterium-mediated transformation is a key method in plant biotechnology for transferring foreign DNA into plant cells effectively.
Q6
Medium
What is the role of Bt toxin in genetically modified crops?
A.
Enhances nutrient absorption
B.
Acts as a pesticide against certain insects
C.
Increases soil fertility
D.
Improves drought resistance
Show Answer & Explanation
Correct Answer: B
Bt toxin, derived from Bacillus thuringiensis, is used in GM crops as a biopesticide to protect against specific insect pests.
Q7
Medium
Which of the following is a potential environmental concern related to GMOs?
A.
Increased biodiversity
B.
Gene transfer to wild relatives
C.
Reduction in carbon footprint
D.
Enhanced soil quality
Show Answer & Explanation
Correct Answer: B
Gene transfer to wild relatives can lead to unintended ecological consequences, such as the spread of herbicide resistance.
Q8
Hard
Which of the following processes is primarily responsible for creating genetically modified organisms (GMOs)?
A.
Transduction
B.
Transfection
C.
Transformation
D.
Translocation
Show Answer & Explanation
Correct Answer: C
Transformation is the process by which foreign DNA is introduced into a cell, allowing the creation of GMOs.
Q9
Hard
What is the primary purpose of using the Agrobacterium tumefaciens in genetic engineering?
A.
To create hybrid plants
B.
To deliver genes into plant cells
C.
To enhance soil fertility
D.
To induce viral resistance
Show Answer & Explanation
Correct Answer: B
Agrobacterium tumefaciens is used as a vector to transfer genes into plant cells, enabling the development of GMOs.
Q10
Hard
Which of the following traits have been successfully genetically engineered into crops?
A.
Increased nutrient content
B.
Enhanced drought tolerance
C.
Resistance to pests and herbicides
D.
All of the above
Show Answer & Explanation
Correct Answer: D
All these traits have been successfully engineered into crops to improve agricultural yield and resilience.
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Biotechnology and its Applications — NEET Biology Practice Questions Online
This page contains 1032 practice MCQs for the chapter Biotechnology and its Applications in NEET Biology. The questions are organized by difficulty — 213 easy, 460 medium, 359 hard — so you can choose the right level for your preparation.
Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 6 topics, giving you comprehensive coverage of the entire chapter.