Poultry and Fisheries Basics MCQs 2026

The normal incubation period of a chicken egg is about:

1. A 7 days ✓
2. B 35 days ✓
3. C 21 days ✓
4. D 60 days ✓

A simple sign of poor air quality in a poultry house is excessive:

1. A Clear fresh air ✓
2. B Proper litter dryness ✓
3. C Normal bird activity ✓
4. D Ammonia smell and wet litter ✓

Fish are preferably harvested during the cooler part of the day because it:

1. A Raises pond ammonia deliberately ✓
2. B Stops the need for ice forever ✓
3. C Reduces stress and helps preserve quality ✓
4. D Makes fish breathe air only ✓

New poultry stock should be quarantined before mixing with an existing flock to:

1. A Increase ammonia concentration ✓
2. B Reduce the risk of introducing disease ✓
3. C Shorten egg incubation to one day ✓
4. D Remove all feed requirements ✓

In tilapia culture, sex reversal is commonly used to produce:

1. A Predominantly male populations for faster growth and reproduction control ✓
2. B Only laying hens ✓
3. C Calcium-rich egg shells ✓
4. D Duck eggs with shorter incubation ✓

Predator control in fish ponds is necessary to:

1. A Increase bird attacks ✓
2. B Protect stocked fish and improve survival ✓
3. C Remove all plankton ✓
4. D Stop harvesting ✓

Aeration of a fish pond is used to:

1. A Increase dissolved oxygen ✓
2. B Stop all feeding permanently ✓
3. C Reduce oxygen to zero ✓
4. D Make fish unable to swim ✓

Egg shell quality in layers depends largely on:

1. A Fish pond liming only ✓
2. B The colour of litter bags ✓
3. C Reducing all minerals ✓
4. D Calcium, vitamin D and overall nutrition ✓

Modern broilers are commonly marketed at around:

1. A One year of age ✓
2. B Two days of age ✓
3. C 5 to 6 weeks of age ✓
4. D Nine months of age ✓

Moulting in laying hens refers to:

1. A Fish breathing through gills ✓
2. B Shedding and renewal of feathers with a pause or drop in laying ✓
3. C The first feeding of chicks ✓
4. D Pond liming before stocking ✓

Integrated fish-poultry farming commonly uses poultry droppings to:

1. A Fertilize ponds and support natural fish food ✓
2. B Vaccinate fish directly ✓
3. C Increase fish bones instantly ✓
4. D Dry eggs in incubators ✓

Maintaining suitable pond depth helps fish culture by:

1. A Eliminating oxygen demand completely ✓
2. B Making all fish sterile ✓
3. C Replacing pond water forever ✓
4. D Stabilizing temperature and limiting excessive weed growth ✓

Cannibalism in poultry is encouraged by factors such as:

1. A Clean water and proper space ✓
2. B Correct brooder temperature only ✓
3. C Overcrowding, high light intensity and nutritional imbalance ✓
4. D Balanced feed and dim light only ✓

A poultry vaccination schedule should be based mainly on:

1. A The colour of egg trays ✓
2. B Local disease risk, vaccine type and flock status ✓
3. C The brand of feed sacks only ✓
4. D Fish harvesting date ✓

Ammonia toxicity in fish ponds generally increases when:

1. A Water pH and temperature are high ✓
2. B Dissolved oxygen is abundant at dawn ✓
3. C Stocking density is very low only ✓
4. D Water is never fertilized ✓

A generally suitable pH range for many freshwater fish ponds is about:

1. A 1.0 to 2.0 ✓
2. B 3.0 to 4.0 ✓
3. C 12.5 to 14.0 ✓
4. D 6.5 to 8.5 ✓

Good quality fish seed should be:

1. A Weak and injured ✓
2. B Mixed with dead fish ✓
3. C Healthy, active, uniform and disease-free ✓
4. D Stored without water ✓

Quail farming is attractive to small producers mainly because quails:

1. A Need deep fish ponds ✓
2. B Mature early and require relatively little space ✓
3. C Produce wool ✓
4. D Cannot lay eggs ✓

The incubation period of most domestic duck eggs is approximately:

1. A 28 days ✓
2. B 10 days ✓
3. C 14 days ✓
4. D 45 days ✓

Marek disease in chickens is most effectively prevented by:

1. A Adding extra salt only ✓
2. B Keeping eggs unturned ✓
3. C Lowering all ventilation ✓
4. D Vaccination of chicks with proper biosecurity ✓

Biosecurity in poultry production means:

1. A Feeding birds only once a month ✓
2. B Mixing sick and healthy flocks ✓
3. C Measures that prevent disease entry and spread ✓
4. D Increasing ammonia in sheds ✓

Hatchability of eggs is strongly affected by:

1. A Fish pond depth only ✓
2. B Egg storage conditions and incubator management ✓
3. C Calf dehorning age ✓
4. D Milk fat test only ✓

Used poultry litter can be valuable when properly handled because it can serve as:

1. A Organic manure or compost material ✓
2. B A live vaccine for all diseases ✓
3. C A substitute for clean drinking water ✓
4. D A tool for egg candling ✓

Fresh fish spoilage after harvest is minimized mainly by:

1. A Keeping fish in direct sun ✓
2. B Adding poultry litter ✓
3. C Leaving fish unwashed overnight ✓
4. D Rapid chilling or icing ✓

A suitable fish pond site should have:

1. A Only sandy soil with no water source ✓
2. B No access road ever ✓
3. C Reliable water supply and soil that holds water ✓
4. D Permanent sewage inflow ✓

The gills of fish are primarily organs of:

1. A Milk production ✓
2. B Respiration ✓
3. C Feather formation ✓
4. D Egg candling ✓

Composite fish culture works well because it stocks species that:

1. A Use different feeding zones and food resources ✓
2. B All eat only the same surface feed ✓
3. C Cannot live in freshwater ✓
4. D Require poultry houses ✓

In composite carp culture, mrigal is best described as a:

1. A Surface egg layer only ✓
2. B Layer hen breed ✓
3. C Broiler strain ✓
4. D Bottom feeder ✓

In composite carp culture, catla mainly feeds in the:

1. A Bottom mud only ✓
2. B Poultry litter ✓
3. C Surface zone ✓
4. D Deepest soil layer ✓

A seine net is commonly used in ponds for:

1. A Brooding chicks ✓
2. B Harvesting or sampling fish ✓
3. C Making silage ✓
4. D Trimming beaks ✓

A fingerling is:

1. A A young fish suitable for stocking or nursery rearing ✓
2. B A mature laying hen ✓
3. C A type of poultry vaccine ✓
4. D A dairy mineral block ✓

Overstocking a fish pond commonly leads to:

1. A Higher oxygen at all times ✓
2. B No competition for feed ✓
3. C Automatic disease immunity ✓
4. D Slow growth and low dissolved oxygen stress ✓

Fertilization of a fish pond is intended mainly to increase:

1. A Poultry beak length ✓
2. B Milk solids ✓
3. C Natural food such as plankton ✓
4. D Pond wall cracking ✓

Liming a fish pond is commonly done to:

1. A Make water permanently poisonous ✓
2. B Correct acidity and improve pond productivity ✓
3. C Remove all plankton forever ✓
4. D Replace harvesting nets ✓

Dissolved oxygen in pond water is vital because fish need it for:

1. A Respiration ✓
2. B Egg shell colouring ✓
3. C Feather growth ✓
4. D Milk let-down ✓

Supplementary feed in fish ponds should generally be adjusted according to:

1. A The colour of poultry feathers only ✓
2. B The number of milk cans ✓
3. C Ear tag sequence ✓
4. D Fish biomass, size and feeding response ✓

Which group is commonly used in pond fish culture in South Asia?

1. A Camels ✓
2. B Quails only ✓
3. C Carps ✓
4. D Dairy buffaloes ✓

The farming of fish and other aquatic organisms is called:

1. A Apiculture ✓
2. B Aquaculture ✓
3. C Sericulture ✓
4. D Silviculture ✓

Candling of eggs is performed to check:

1. A Fertility and embryo development ✓
2. B Fish pond pH directly ✓
3. C Calcium in drinking water ✓
4. D Weight of litter only ✓

Good ventilation in a poultry house chiefly helps to:

1. A Stop birds from eating ✓
2. B Increase mud on the floor ✓
3. C Replace vaccination completely ✓
4. D Remove ammonia, moisture and excess heat ✓

Coccidiosis in poultry is caused by:

1. A A vitamin called calcium ✓
2. B Excessive egg candling ✓
3. C Protozoa of the genus Eimeria ✓
4. D Low pond turbidity only ✓

Broiler feed conversion ratio usually indicates:

1. A Eggs laid per clutch only ✓
2. B Kilograms of feed required per kilogram of weight gain ✓
3. C Fish harvested per net ✓
4. D Water depth per pond ✓

Debeaking in poultry is mainly done to reduce:

1. A Feather pecking and cannibalism ✓
2. B Egg shell calcium ✓
3. C Body temperature below normal ✓
4. D Incubation period ✓

The deep litter system in poultry uses:

1. A Floating cages in ponds ✓
2. B Only concrete without bedding ✓
3. C Milking parlours for hens ✓
4. D Bedding material spread on the floor ✓

Newcastle disease in poultry is commonly controlled through:

1. A Feeding dry sand only ✓
2. B Removing all waterers ✓
3. C Vaccination and biosecurity ✓
4. D Increasing pond depth ✓

Limestone or oyster shell is added to layer feed mainly to supply:

1. A Live bacteria for vaccination ✓
2. B Calcium for egg shells ✓
3. C Extra feathers ✓
4. D Fish seed ✓

In poultry rations, maize is commonly used as a major source of:

1. A Energy ✓
2. B Calcium only ✓
3. C Vaccines ✓
4. D Bedding disinfectant ✓

The main purpose of brooding day-old chicks is to provide:

1. A Deep pond water ✓
2. B High salt drinking water ✓
3. C Forced moulting immediately ✓
4. D Proper warmth during early life ✓

A hen kept primarily for egg production is called a:

1. A Broiler ✓
2. B Layer ✓
3. C Drake ✓
4. D Fingerling ✓

Commercial broilers are mainly raised for:

1. A Rapid meat production ✓
2. B Draft power ✓
3. C Wool production ✓
4. D Milk production ✓