The Question is from neet-botany biotechnology , and it was created by the author K SURESH KUMAR

Question

RNA interference (RNAi) technology is used in agriculture for:

K SURESH KUMAR · Accepted Answer

## CORE INFORMATION
✓ **Answer**: C
## CONCEPT FRAMEWORK
 **Primary Concept**: RNA interference (RNAi) mechanism and its applications in agriculture.
 **Related Topics**: Gene silencing, pest management, transgenic crops, biotechnology.
 **Prerequisites**: Basic understanding of RNA, gene expression, and genetic engineering.
## SOLUTION PATHWAY
**Given Information**:
The question asks about the agricultural application of RNAi technology.
**Method & Steps**:
RNA interference (RNAi) is a biological process in which RNA molecules inhibit gene expression or translation, by neutralizing targeted mRNA molecules.
1. Understanding RNAi mechanism: RNAi involves the introduction of double-stranded RNA (dsRNA) into a cell, which is then processed into small interfering RNAs (siRNAs). These siRNAs bind to complementary mRNA molecules, leading to their degradation or translational repression. This process effectively silences the expression of the targeted gene.
2. Application in pest control:  In agriculture, RNAi can be used to target specific genes in pest insects. By introducing dsRNA targeting essential genes in the pest, the pest's development, reproduction, or survival can be impaired, thus providing a method for pest control.
3. Other applications: While RNAi shows promise in other areas like increasing nutrient uptake, enhancing photosynthesis, and improving drought tolerance, its most established and widespread use in agriculture is currently focused on pest control.
 **Result**: RNAi technology is primarily used in agriculture for pest control.
 **Verification**: The effectiveness of RNAi-based pest control has been demonstrated in several studies and is an active area of research and development in agricultural biotechnology.
## OPTION ANALYSIS
A :x: Increasing nutrient uptake: While RNAi might theoretically be used to manipulate genes related to nutrient uptake, this is not its primary or most common agricultural application.
B :x: Enhancing photosynthesis: Similarly, manipulating genes involved in photosynthesis is a potential application, but not the primary focus of RNAi in agriculture.
C ✓: Pest control: This is the correct answer. RNAi is effectively used to control pest populations by silencing essential genes.
D :x: Improving drought tolerance:  RNAi could potentially be applied to improve drought tolerance by targeting genes related to water stress response, but this is not its main agricultural application at present.
## LEARNING AIDS
 **Common Mistakes**:
  1.Confusing RNAi with other gene editing techniques: RNAi is distinct from CRISPR-Cas9 and other gene editing methods.
  2.Overestimating the current scope of RNAi in agriculture: While promising, the widespread adoption of RNAi in agriculture is still under development.
 **Quick Tips**:
  1.Remember the core mechanism of RNAi: silencing gene expression by targeting mRNA.
  2.Focus on the direct and established applications of RNAi in agriculture.

K SURESH KUMAR · Answer

Increasing nutrient uptake

K SURESH KUMAR · Answer

Enhancing photosynthesis

K SURESH KUMAR · Answer

The correct Option is "Pest control"

K SURESH KUMAR · Answer

Improving drought tolerance

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