1. Which technique is commonly used to introduce foreign DNA into
plant cells in agricultural biotechnology?
A. Electroporation
B. Biolistic particle delivery
C. Gene therapy
D. Polymerase chain reaction (PCR)
Answer: b) Biolistic particle delivery
Rationale: The biolistic particle delivery method (also known as the
gene gun) is commonly used to introduce foreign DNA into plant cells,
as it involves shooting microscopic particles coated with DNA into
plant cells.
2. What is the main advantage of genetically modified (GM) crops over
conventional crops?
A. GM crops require more pesticide application
B. GM crops are always higher in nutritional value
C. GM crops can tolerate herbicides and pests
D. GM crops have a shorter growing period
Answer: c) GM crops can tolerate herbicides and pests
Rationale: Genetically modified crops are often designed to tolerate
herbicides and resist pests, reducing the need for chemical applications
and improving crop yields.
,3. Which gene editing technique is known for its ability to precisely
alter specific genes in plants?
A. CRISPR-Cas9
B. Agrobacterium-mediated transformation
C. Electroporation
D. Southern blotting
Answer: a) CRISPR-Cas9
Rationale: CRISPR-Cas9 is a gene-editing tool that allows for precise
alterations to the DNA of plants, enabling researchers to target specific
genes with great accuracy.
4. Which of the following is a major concern for the adoption of
genetically modified crops in agriculture?
A. Lack of genetic diversity
B. Increased food production
C. Decreased pesticide use
D. Faster growth of crops
Answer: a) Lack of genetic diversity
Rationale: One major concern with GM crops is the potential loss of
genetic diversity, which could make crops more vulnerable to pests,
diseases, or changing environmental conditions.
5. Which of the following is an example of a genetically modified crop
that is designed to resist pests?
A. Bt cotton
B. Golden rice
, C. Roundup Ready soybeans
D. Golden potatoes
Answer: a) Bt cotton
Rationale: Bt cotton is genetically modified to express the Bacillus
thuringiensis (Bt) protein, which is toxic to certain pests, reducing the
need for chemical insecticides.
6. What is the primary concern surrounding genetically modified
organisms (GMOs)?
A. Increased crop yields
B. Environmental impact and biodiversity loss
C. Enhanced nutritional content
D. Increased food production efficiency
Answer: b) Environmental impact and biodiversity loss
Rationale: The primary concern regarding GMOs revolves around
their potential environmental impact, including effects on non-target
species and biodiversity loss.
7. What is the process of introducing a new gene into a plant cell
called?
A. Transcription
B. Transformation
C. Translation
D. Replication
Answer: b) Transformation
plant cells in agricultural biotechnology?
A. Electroporation
B. Biolistic particle delivery
C. Gene therapy
D. Polymerase chain reaction (PCR)
Answer: b) Biolistic particle delivery
Rationale: The biolistic particle delivery method (also known as the
gene gun) is commonly used to introduce foreign DNA into plant cells,
as it involves shooting microscopic particles coated with DNA into
plant cells.
2. What is the main advantage of genetically modified (GM) crops over
conventional crops?
A. GM crops require more pesticide application
B. GM crops are always higher in nutritional value
C. GM crops can tolerate herbicides and pests
D. GM crops have a shorter growing period
Answer: c) GM crops can tolerate herbicides and pests
Rationale: Genetically modified crops are often designed to tolerate
herbicides and resist pests, reducing the need for chemical applications
and improving crop yields.
,3. Which gene editing technique is known for its ability to precisely
alter specific genes in plants?
A. CRISPR-Cas9
B. Agrobacterium-mediated transformation
C. Electroporation
D. Southern blotting
Answer: a) CRISPR-Cas9
Rationale: CRISPR-Cas9 is a gene-editing tool that allows for precise
alterations to the DNA of plants, enabling researchers to target specific
genes with great accuracy.
4. Which of the following is a major concern for the adoption of
genetically modified crops in agriculture?
A. Lack of genetic diversity
B. Increased food production
C. Decreased pesticide use
D. Faster growth of crops
Answer: a) Lack of genetic diversity
Rationale: One major concern with GM crops is the potential loss of
genetic diversity, which could make crops more vulnerable to pests,
diseases, or changing environmental conditions.
5. Which of the following is an example of a genetically modified crop
that is designed to resist pests?
A. Bt cotton
B. Golden rice
, C. Roundup Ready soybeans
D. Golden potatoes
Answer: a) Bt cotton
Rationale: Bt cotton is genetically modified to express the Bacillus
thuringiensis (Bt) protein, which is toxic to certain pests, reducing the
need for chemical insecticides.
6. What is the primary concern surrounding genetically modified
organisms (GMOs)?
A. Increased crop yields
B. Environmental impact and biodiversity loss
C. Enhanced nutritional content
D. Increased food production efficiency
Answer: b) Environmental impact and biodiversity loss
Rationale: The primary concern regarding GMOs revolves around
their potential environmental impact, including effects on non-target
species and biodiversity loss.
7. What is the process of introducing a new gene into a plant cell
called?
A. Transcription
B. Transformation
C. Translation
D. Replication
Answer: b) Transformation
