TN AGRI'S

Which one of the following water quality parameters is generally regarded as the single most critical factor for immediate survival of fish in aquaculture ponds?

Which of the following is the most suitable stocking ratio of Catla : Rohu : Mrigal in composite fish culture under standard management practices?

A fish farmer observes that fish are gasping at the water surface during early morning hours despite adequate feeding

Which of the following combinations correctly represents the feeding habit of the fish species?

In induced breeding of Indian Major Carps, the primary purpose of administering pituitary gland extract or synthetic hormones is to

Which of the following species is NOT an air-breathing fish possessing accessory respiratory organs?

A freshwater fish farmer observes early morning fish mortality, while afternoon dissolved oxygen values remain satisfactory.

Which statement correctly distinguishes Specific Growth Rate (SGR) from Feed Conversion Ratio (FCR) in fish farming?

Which one of the following combinations regarding water quality in freshwater aquaculture is correct?

In induced breeding of Indian major carps, the role of dopamine antagonist in commercial spawning agents is primarily to

The principal purpose of applying agriculture lime to an acidic fish pond is to

White spot syndrome in shrimp farming is caused by

Which of the following is the primary objective of induced breeding in Indian major carps?

A sudden decline in dissolved oxygen concentration in a fish pond is most likely to occur

In a composite fish culture, species are selected primarily because they

A farmer wants to improve long-term soil health while reducing production costs under climate variability

Which statement regarding herbicides is correct?

Which nutrient management strategy is MOST scientific?

During flowering stage, maize experiences severe moisture stress. Which physiological process suffers first, resulting in maximum yield reduction?

Which of the following statements is MOST appropriate?