0

Genetic Engineering in Agriculture: Enhancing Crop Yield and Resistance

Description: Genetic Engineering in Agriculture: Enhancing Crop Yield and Resistance
Number of Questions: 15
Created by:
Tags: genetic engineering agriculture crop yield crop resistance
Attempted 0/15 Correct 0 Score 0

What is the primary goal of genetic engineering in agriculture?

  1. Enhancing crop yield

  2. Improving crop resistance to pests and diseases

  3. Developing new crop varieties with desired traits

  4. All of the above


Correct Option: D
Explanation:

Genetic engineering in agriculture aims to improve crop yield, enhance crop resistance to pests and diseases, and develop new crop varieties with desired traits, such as improved nutritional value or drought tolerance.

Which technique is commonly used for genetic engineering in agriculture?

  1. Gene editing

  2. Transgenesis

  3. Genome sequencing

  4. Molecular cloning


Correct Option: A
Explanation:

Gene editing techniques, such as CRISPR-Cas9, are widely used for genetic engineering in agriculture. These techniques allow precise modification of genes in crops to introduce desired traits or enhance existing ones.

What is the role of genetic engineering in developing herbicide-resistant crops?

  1. It introduces genes that confer resistance to specific herbicides.

  2. It reduces the need for chemical herbicides in agriculture.

  3. It helps control the growth of weeds in crop fields.

  4. All of the above


Correct Option: D
Explanation:

Genetic engineering plays a crucial role in developing herbicide-resistant crops by introducing genes that confer resistance to specific herbicides. This allows farmers to use herbicides to control weeds without harming the crops, reducing the need for chemical herbicides and promoting sustainable agriculture.

How does genetic engineering contribute to improving crop yield?

  1. By introducing genes that enhance photosynthesis efficiency.

  2. By increasing the number of seeds produced per plant.

  3. By reducing the susceptibility of crops to pests and diseases.

  4. All of the above


Correct Option: D
Explanation:

Genetic engineering contributes to improving crop yield by introducing genes that enhance photosynthesis efficiency, increasing the number of seeds produced per plant, and reducing the susceptibility of crops to pests and diseases. These modifications lead to higher crop yields and improved agricultural productivity.

What are some potential risks associated with genetic engineering in agriculture?

  1. Gene transfer to wild relatives of crops.

  2. Unintended effects on non-target organisms.

  3. Development of resistance in pests and diseases.

  4. All of the above


Correct Option: D
Explanation:

Genetic engineering in agriculture poses potential risks, including gene transfer to wild relatives of crops, unintended effects on non-target organisms, and the development of resistance in pests and diseases. These risks need to be carefully assessed and managed to ensure the safe and responsible application of genetic engineering technologies.

Which international organization is responsible for regulating genetically modified crops?

  1. World Health Organization (WHO)

  2. Food and Agriculture Organization (FAO)

  3. Codex Alimentarius Commission (CAC)

  4. World Trade Organization (WTO)


Correct Option: C
Explanation:

The Codex Alimentarius Commission (CAC) is the international organization responsible for regulating genetically modified crops. CAC sets standards and guidelines for the safety assessment and labeling of genetically modified foods to ensure consumer protection and fair trade practices.

What is the term used to describe the process of transferring genes from one organism to another?

  1. Gene editing

  2. Transgenesis

  3. Genome sequencing

  4. Molecular cloning


Correct Option: B
Explanation:

Transgenesis is the process of transferring genes from one organism to another. This technique is commonly used in genetic engineering to introduce desired traits into crops or other organisms.

Which crop was the first genetically modified crop to be commercialized?

  1. Corn

  2. Soybean

  3. Canola

  4. Cotton


Correct Option: A
Explanation:

Corn was the first genetically modified crop to be commercialized in 1996. It was engineered to resist pests and herbicides, leading to increased crop yields and reduced pesticide use.

What is the role of genetic engineering in developing drought-tolerant crops?

  1. It introduces genes that enhance water uptake and retention.

  2. It reduces the transpiration rate of plants.

  3. It improves the root system of plants.

  4. All of the above


Correct Option: D
Explanation:

Genetic engineering contributes to developing drought-tolerant crops by introducing genes that enhance water uptake and retention, reduce the transpiration rate of plants, and improve the root system of plants. These modifications enable crops to withstand drought conditions and maintain productivity in water-scarce environments.

Which regulatory agency in the United States is responsible for evaluating the safety of genetically modified crops?

  1. Food and Drug Administration (FDA)

  2. Environmental Protection Agency (EPA)

  3. Department of Agriculture (USDA)

  4. All of the above


Correct Option: D
Explanation:

In the United States, the Food and Drug Administration (FDA), the Environmental Protection Agency (EPA), and the Department of Agriculture (USDA) share the responsibility for evaluating the safety of genetically modified crops. Each agency has specific roles in assessing the safety of these crops for human consumption, environmental impact, and agricultural use.

What is the term used to describe the process of modifying an organism's DNA using gene editing techniques?

  1. Gene editing

  2. Transgenesis

  3. Genome sequencing

  4. Molecular cloning


Correct Option: A
Explanation:

Gene editing is the process of modifying an organism's DNA using techniques such as CRISPR-Cas9. This technology allows precise changes to be made to the DNA, enabling the introduction or removal of specific genes or modifications to existing genes.

Which crop is genetically modified to produce a protein that kills certain insects?

  1. Corn

  2. Soybean

  3. Canola

  4. Cotton


Correct Option: D
Explanation:

Cotton is genetically modified to produce a protein called Bt toxin, which is toxic to certain insects, such as bollworms and budworms. This modification reduces the need for chemical insecticides and helps protect cotton crops from pest damage.

What is the role of genetic engineering in developing disease-resistant crops?

  1. It introduces genes that confer resistance to specific diseases.

  2. It enhances the immune system of plants.

  3. It reduces the susceptibility of crops to pests.

  4. All of the above


Correct Option: D
Explanation:

Genetic engineering contributes to developing disease-resistant crops by introducing genes that confer resistance to specific diseases, enhancing the immune system of plants, and reducing the susceptibility of crops to pests. These modifications help protect crops from diseases and improve agricultural productivity.

Which international treaty aims to ensure the safe and responsible use of genetically modified organisms?

  1. Cartagena Protocol on Biosafety

  2. Kyoto Protocol

  3. Paris Agreement

  4. Montreal Protocol


Correct Option: A
Explanation:

The Cartagena Protocol on Biosafety is an international treaty that aims to ensure the safe and responsible use of genetically modified organisms (GMOs). It sets out a framework for the assessment and management of risks associated with GMOs, including their potential impact on biodiversity and human health.

What is the term used to describe the process of creating a genetically modified organism by combining genetic material from two or more different organisms?

  1. Gene editing

  2. Transgenesis

  3. Genome sequencing

  4. Molecular cloning


Correct Option: B
Explanation:

Transgenesis is the process of creating a genetically modified organism by combining genetic material from two or more different organisms. This technique involves transferring genes from one organism to another, resulting in the expression of those genes in the recipient organism.

- Hide questions