The correct answer is:(c) (iii) and (iv) Hybridisation involves crossing genetically dissimilar plants to combine desirable traits. Genetically modified crops are produced by introducing desired genes into plants. Class 9th Science NCERT MCQ Questions NCERT Books MCQ Questions Session 2024-2025.
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The correct answer is (d) Crop transportation management. Crop transportation deals with the movement of harvested crops, not yield improvement. In contrast, crop variety improvement, production improvement and protection management directly enhance crop growth, quality and resistance to diseases or ...
“Food security plays a crucial role in the progress of a nation CBSE 2024-2025 NCERT Social Science Class 9th Chapter 4 Food Security in India MCQ Question helps students understand the importance of ensuring sufficient and nutritious food for all ...
The correct answer is:(b) Iron Fertilizers mainly provide macro-nutrients like Nitrogen (N), Phosphorus (P), and Potassium (K), which are essential for plant growth. Iron (Fe) is a micro-nutrient, usually obtained from the soil rather than being a major component of ...
“Ensuring food security is essential for a nation’s development and well-being CBSE 2024-2025 NCERT Social Science Class 9th Chapter 4 Food Security in India MCQ Question helps students understand the need for adequate food availability accessibility and affordability for all ...