2016 · Paper VFrequently asked

Define plant tissue culture. Explain the importance of tissue culture in Agriculture.

In short

Plant tissue culture is the aseptic growth of plant cells, tissues or organs on a nutrient medium under controlled conditions, including micropropagation of identical plants. In agriculture it yields disease-free planting material for potato and sugarcane, rapid multiplication of elite varieties like banana, germplasm conservation and support for genetic engineering.

Model answer

Ghissu Editorial · Verified 4 Oct 2026

Introduction
Plant tissue culture is a key biotechnology for enhancing agricultural productivity and sustainability by enabling controlled, rapid crop multiplication and improvement. It addresses challenges like disease, climate stress, and genetic uniformity, making it vital for modern agriculture.
Definition of Plant Tissue Culture
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Aseptic Cultivation

It involves sterile growth of plant cells, tissues, or organs in nutrient media, allowing precise control over growth factors and enabling micropropagation for clonal plant multiplication. This sterile environment prevents microbial contamination, ensuring healthy plantlets.

Importance of Tissue Culture in Agriculture
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Disease-Free Plant Production

Meristem culture produces virus-free plants critical for crops like potato and sugarcane; Telangana's extension services promote clean planting material to boost horticulture. This enhances crop health and yield by reducing pathogen load.

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Rapid Multiplication and Germplasm Conservation

Micropropagation accelerates elite cultivar production (e.g., banana, sugarcane) and enables in vitro germplasm conservation, aiding biodiversity and breeding. It also allows easy exchange of genetic material with minimal quarantine restrictions.

Way Forward
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Infrastructure and Integration

Expand tissue culture labs and Micropropagation Technology Parks and link with molecular breeding to develop resilient varieties suited to Telangana’s agro-climatic conditions.

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Farmer Awareness and Partnerships

Promote adoption through farmer extension programs and foster public-private partnerships for cost-effective scaling of tissue culture propagation and commercialization.

Conclusion
Plant tissue culture enhances agricultural productivity by producing disease-free, uniform plants and supports sustainable farming in Telangana, contributing to Atmanirbhar Bharat and SDG 2 on zero hunger through improved food security and farmer livelihoods.

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Hand-drawn diagram: Plant Tissue Culture Steps. Plant Tissue Culture Steps. Flow: Tissue taken from elite plant → Aseptic nutrient medium, set hormones → Micropropagation: many identical clones → Disease-free, uniform planting material
Diagram: Plant Tissue Culture Steps

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This chapter in the exam

Biotechnology, genetic engineering, stem cells6 questions

Asked in 2 of 2 sittings since 2016

2016
4
2024
2

Most tested: Applied biotechnology in human health and agriculture, especially genetic engineering/biotech applications.

All 6 questions, sorted by sub-topic, with model answers and practice.

Question from the official TGPSC Group-I Mains 2016 paper. Answer written by Ghissu's engine and checked against our editorial standards. Found an error? Tell us and we correct it within 48 hours.

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