Bioteknologi Practice Questions
UN (Indonesia) · UN Biologi · 150 free MCQs with instant results and detailed explanations.
150
Total
45
Easy
75
Medium
30
Hard
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Sample Questions from Bioteknologi
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Q1
Easy
What is the primary purpose of using recombinant DNA technology in biotechnology?
A.
To create genetically modified organisms.
B.
To enhance natural selection in species.
C.
To eliminate all diseases in plants.
D.
To reduce the need for agricultural fertilizers.
Show Answer & Explanation
Correct Answer: A
Recombinant DNA technology allows scientists to combine DNA from different organisms, enabling the creation of genetically modified organisms (GMOs) that can express desired traits, such as increased pest resistance or improved nutritional content.
Q2
Easy
Which of the following is a common application of biotechnological methods in agriculture?
A.
Production of antibiotics for humans.
B.
Development of pest-resistant crop varieties.
C.
Synthesis of synthetic fertilizers.
D.
Creation of artificial organs for transplants.
Show Answer & Explanation
Correct Answer: B
Biotechnological methods are often employed to develop pest-resistant crop varieties, allowing for reduced pesticide use and increased agricultural productivity, which is crucial for food security.
Q3
Easy
In fermentation, which microorganism is typically used to produce ethanol?
A.
Yeast
B.
Bacteria
C.
Fungi
D.
Algae
Show Answer & Explanation
Correct Answer: A
Yeast, specifically Saccharomyces cerevisiae, is commonly used in fermentation processes to convert sugars into ethanol and carbon dioxide, making it essential in the production of alcoholic beverages and biofuels.
Q4
Medium
Which of the following techniques is primarily used for cloning genes?
A.
Polymerase Chain Reaction (PCR)
B.
Gel Electrophoresis
C.
Restriction Enzyme Digestion
D.
Southern Blotting
Show Answer & Explanation
Correct Answer: C
Restriction Enzyme Digestion is used to cut DNA at specific sequences, which is essential for cloning genes into vectors.
Q5
Medium
In plant biotechnology, what is the purpose of Agrobacterium tumefaciens?
A.
To enhance photosynthesis
B.
To introduce foreign DNA into plant cells
C.
To increase soil fertility
D.
To produce biofuel
Show Answer & Explanation
Correct Answer: B
Agrobacterium tumefaciens is a bacterium that can transfer foreign DNA into plant cells, making it a key tool in genetic engineering.
Q6
Medium
What is the primary objective of using CRISPR technology in biotechnology?
A.
To enhance crop yield
B.
To edit genes precisely
C.
To clone entire organisms
D.
To synthesize proteins
Show Answer & Explanation
Correct Answer: B
CRISPR technology is designed for precise gene editing, allowing for targeted modifications in the DNA sequence.
Q7
Medium
Which of the following is a common method for producing insulin using recombinant DNA technology?
A.
Fermentation of yeast
B.
Cheese production
C.
Hydroponics
D.
Photosynthesis enhancement
Show Answer & Explanation
Correct Answer: A
Insulin is commonly produced through the fermentation of genetically modified yeast that carries the insulin gene.
Q8
Hard
In biotechnological applications, what is the primary purpose of using plasmids in genetic engineering?
A.
To enhance the production of energy in cells
B.
To serve as vectors for gene cloning and expression
C.
To increase the rate of photosynthesis in plants
D.
To protect cells from viral infections
Show Answer & Explanation
Correct Answer: B
Plasmids are used as vectors in genetic engineering because they can carry foreign DNA into host cells, allowing for gene cloning and expression of desired traits.
Q9
Hard
Which of the following biotechnological techniques is most appropriately used to produce insulin for diabetic patients?
A.
Fermentation of yeast
B.
Transgenic plant cultivation
C.
Recombinant DNA technology
D.
Polymerase Chain Reaction (PCR)
Show Answer & Explanation
Correct Answer: C
Recombinant DNA technology is used to insert the human insulin gene into bacteria, allowing them to produce insulin, which can then be harvested and purified for diabetic patients.
Q10
Hard
Which of the following biotechnological methods is primarily used for the cloning of specific genes in plants?
A.
Polymerase Chain Reaction (PCR)
B.
Agrobacterium tumefaciens-mediated transformation
C.
Gel Electrophoresis
D.
Microinjection
Show Answer & Explanation
Correct Answer: B
Agrobacterium tumefaciens-mediated transformation is a well-established method for introducing specific genes into plant cells, facilitating the cloning of those genes. This occurs through the natural ability of Agrobacterium to transfer DNA to plant cells.
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Bioteknologi — UN (Indonesia) UN Biologi Practice Questions Online
This page contains 150 practice MCQs for the chapter Bioteknologi in UN (Indonesia) UN Biologi. The questions are organized by difficulty — 45 easy, 75 medium, 30 hard — so you can choose the right level for your preparation.
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