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The correct answer is C
Fish which spend most of their lives in the sea and migrate to freshwater for breeding
Weed index indicates
What is the term for the practice of using a physical barrier to prevent weed growth?
Which fungal disease affects rice plants and is characterized by white, powdery growth on leaves and stems?
Semi-conservative DNA replication was demonstrated by
The grape variety "Sonaka" used for which purpose?
Agroforestry system that involves the deliberate introduction of woody perennials, especially those of fodder value, for food production, soil conservat...
What type of pest primarily damages store grains such as rice and wheat?
Which type of antenna is found in honey bee?
In which part of insect body, Johnston's organs are present?