Fish production technology (one Marks) for exam purpose. UNIT 1&2 ICAR syllabus

FISH PRODUCtion technology

UNIT 1

 

1.           The word aquaculture was defined by

 

A) FAO    B) WHO   C) UNESCO

 

2.     Based on salinity The term aquaculture method is classified into option 

 

                       A) 3    B) 2   C) 7

3.     Catla is based on which is water forming?

 

                       A) Brackish water farming   B) Freshwater farming

                       C) Marine water farming

 

4.     Trout, Tilapia, Catfishes, Carps and shrimps, etc will come under which fish production system?

 

A)    Monoculture   B) Polyculture

 

5.     Polyculture is also called us

 

                       A) Composite fish culture B) Cage culture C) Raceway culture

 

6.     Pen culture is a hybrid system of

 

A)    Raceway culture &Cage culture

B)    Pond culture & Raceway culture

C)    Pond culture & Cage culture

 

 

 

7.     In raceway culture, the fishes are grown in

A)    Low stocking density

B)    Medium stocking density

C)    High stocking density

 

8.     In cattle fish, integrated farming for one-hectare pond how many cows can provide adequate manure?

                       A) 6 –8     B) 5 – 6 C) 1- 4

 

9.     In cattle fish integrated farming which is widely used as a manure in all fish Ponds all over the world?

 

                       A) Cow dung  B) Goat dung  C) Sheep dung

 

10.                         In pig fish integrated farming how many pigs are used to fertilize a one-hectare area of the fish pond?

 

                       A) 60-80   B) 60-100  C) 50-90

 

11.                         The waste produced by 30 -35 pigs is equivalent to how many tons of ammonium sulfate?

 

                       A) 3   B) 2   C) 1

 

12.                        Chicken droppings  are rich in

 

A)    Ammonia and phosphorous

B)    Phosphorous and nitrogen

C)    Nitrogen and ammonia

 

13.                        One chicken produces how many kg of poultry manure per year?

 

                       A) 26    B) 25  C) 28

 

14.                        In poultry integrated chick farming for one hectare of the fish pond, how many chicks are reared?

 

                       A) 25000   B) 18000   C) 21000

 

15.                        The duck dropping contains how many percentages of inorganic substances?

                       A) 25%    B) 18%   C) 20%

 

 

16.                        What are the disadvantages of aquaculture?

1)    Disease and parasite transfer from captive stock and wild

2)    Aquaculture does not provide good quality food

3)    Decreases employment opportunities

4)    Farming exotic species bring new pathogen to the environment.

 

                       A) 1 only  B) 1 & 4  C) 3 &2

UNIT 2

 

1)    Extensive fish farming involves

 

A)    Large ponds of 1 – 5 hectare

B)    Large ponds of 6 – 8 hectare

C)    Large ponds of 1 – 3 hectare

 

2)    In monoculture how many species of fishes are involved

 

                     A) 1 species B) 2 species C) 5 species

 

3)    Which of these methods is a traditional fish farming method?

 

A)    Extensive fish farming

B)    Intensive fish farming

C)    Semi-intensive fish farming

 

4)    In polyculture what are the different species of fishes involved?

A)    Catfishes and carps

B)    Mrigal

C)    Prawns and shrimps

5)    Which is the exotic fish variety?

 

                      A) Silver carp  B) Catfishes C) Rohu

 

6)    The main species that are cultured in the common carp variety?

 

                   A) Labeo Rohita  B) Cyprinus Carpio C) Catla Catla

 

7)    Common carps are?

 

A)    Bottomfeeder

B)    Surface feeder

C)    Column feeder

 

8)    Silver carp is a

 

A)    Bottomfeeder

B)    Surface feeder

C)    Column feeder

9)    Rohu is a

 

A) Bottom feeder

B) Surface feeder

C) Column feeder

                          

10)           Silver carp feeds on

A)    Zooplankton

B)    Aquatic vegetarian

C)    Phytoplankton

 

 

11)           Grass carp consumes how many percentages of aquatic vegetarian

      daily

A)    80% of their body weight

B)    50% of their body weight

C)    30% of their body weight

 

12)           The water depth can be measured by how many meters long    

      bamboo pole?

A)    3 – 4 meter

B)    6 – 8 meter

C)    4 – 5 meter

 

 

13)           The pH of pond water should be

 

                       A) 6-7    B) 8-8.5   C) 7-9

 

 

14)           The pond watercolor should be

 

                       A) Brown  B) Golden Yellow   C) Greenish Brown

 

 

15)           In raft culture, the water temperature should be at

 

                       A) 18 °C- 19 °C    B) 17 °C- 21 °C  C) 15 °C- 30 °C

 

16)           In the chemical treatment of sewage, sterilization can be done with

 

A)    Chlorine and copper sulfate

B)    Chlorine and ferric chloride

C)    Copper sulfate and ferric chloride