የ12ኛ ክፍል ውጤት ወጥቷል፤ ውጤትዎን የሚያዩበት መንገድ

የምዕራፍ ማስታወሻዎችና የመልመጃ ጥያቄዎች

የ12ኛ ክፍል ግብርና ምዕራፍ 10፦ የዓሳ ምርት እና አያያዝ

በዚህ ገጽ ያለው ሁሉ ለ12ኛ ክፍል የግብርና መፅሐፍ ምዕራፍ 10 ነው፦ ምዕራፉ የሚሸፍነው፣ አጭር ማስታወሻዎቹ፣ የመልመጃ ጥያቄዎች ከመልሶቻቸው ጋር፣ እና ቪዲዮ ባለበት የትምህርቱ ቪዲዮ።

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የምዕራፍ 10 የመልመጃ ጥያቄዎች
191–209
የምዕራፍ 10 የመፅሐፍ ገጾች

ምዕራፍ 10 የሚሸፍነው

  1. 1.Basic terms in aquaculture and farmed fish
  2. 2.Basic anatomy of bony fishers
  3. 3.Fish feeds and feeding practices
  4. 4.Fish culture techniques
  5. 5.Fish rearing
  6. 6.Fishing methods
  7. 7.Handling fish and fish products
  8. 8.Diseases in aquaculture
  9. 9.Indigenous knowledge in fish processing

የምዕራፍ 10 አጭር ማስታወሻዎች

በ12ኛ ክፍል የግብርና ገጽ ላይ በዚህ ምዕራፍ ሥር የተመዘገቡት ካርዶች። አንድ በአንድ ይክፈቱ።

መቼ እንደሚጠቀሙበት

የአጥንታማ ዓሦችን ውጫዊና ውስጣዊ የሰውነት መዋቅር ማስተካከያዎችን ለመግለጽ ይጠቀሙበት።

ይጠንቀቁ

ከጅራት (caudal) ክንፍ በስተቀር ሌሎች የክንፍ እሾሆች በቀጥታ ከአከርካሪ አጥንት ጋር ግንኙነት የላቸውም።

ከGrade 12 Agriculture፣ ገጽ 182-200 የተዘጋጀ፤ ከመውጣቱ በፊት ሁለት ጊዜ ተረጋግጧል

መቼ እንደሚጠቀሙበት

ስለ ዓሣ ማርባት እና ስለ ሥነ ምሕዳር ጥበቃ የዓሣ ዝርያዎችን የማስተዋወቅ ውሳኔዎችን ሲገመግሙ ይጠቀሙበት።

ይጠንቀቁ

Lates niloticus ሌሎች ዓሦችን የሚያድን ሥጋ በል በመሆኑ የአገር በቀል ዓሦችን እንዳያጠፋ ከተፈጥሮ መኖሪያው ውጭ ወደ ሌሎች ውኃዎች ፈጽሞ አያስገቡ።

ከGrade 12 Agriculture፣ ገጽ 182-200 የተዘጋጀ፤ ከመውጣቱ በፊት ሁለት ጊዜ ተረጋግጧል

መቼ እንደሚጠቀሙበት

የኢትዮጵያን የአገር በቀል ዓሣ ዝርያዎች እንደ አመጣጣቸውና እንደ ወንዝ ተፋሰስ ስርጭታቸው ለመመደብ ይጠቀሙበት።

ይጠንቀቁ

የናይል ዝርያዎች በናይል ተፋሰስ በብዛት ቢገኙም በአዋሽ ተፋሰስ እና በሰሜናዊው የስምጥ ሸለቆ ሐይቆች ውስጥ ፈጽሞ አይገኙም።

ከGrade 12 Agriculture፣ ገጽ 182-200 የተዘጋጀ፤ ከመውጣቱ በፊት ሁለት ጊዜ ተረጋግጧል

የምዕራፍ 10 የመልመጃ ጥያቄዎች

በዚህ ምዕራፍ ላይ የተጻፉ 10 የምርጫ ጥያቄዎች፣ እያንዳንዳቸው መልሱና ምክንያቱ አላቸው። መልሱን ከመክፈትዎ በፊት ይሞክሩ። ጥያቄዎቹ በእንግሊዝኛ ናቸው።

ጥያቄ 1

What is the term used to describe the farming of aquatic organisms?

  1. A.Horticulture
  2. B.Aquaculture
  3. C.Sericulture
  4. D.Apiculture
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ B Aquaculture

ምክንያቱ

According to the textbook, aquaculture is defined as the farming of aquatic organisms.

ጥያቄ 2

Which local name is commonly used in Ethiopia for the Nile tilapia (Oreochromis niloticus)?

  1. A.Qoroso
  2. B.Ambaza
  3. C.Nech-asa
  4. D.Labeo
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ A Qoroso

ምክንያቱ

Oreochromis niloticus belongs to the family Cichlidae and is commonly known in Ethiopia as Qoroso, St. Peter fish, or Chogofe.

ጥያቄ 3

What is the main function of the swim bladder in bony fishes?

  1. A.To grind hard food particles
  2. B.To pump blood to the organs
  3. C.To maintain a constant depth in the water column
  4. D.To protect gills from physical damage
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ C To maintain a constant depth in the water column

ምክንያቱ

The textbook states that bony fish have a swim bladder which helps them maintain a constant depth in the water column.

ጥያቄ 4

Which physical characteristic easily distinguishes the catfish Clarias gariepinus (Ambaza)?

  1. A.Large shiny scales and a round body
  2. B.Bright yellow tail fins and red eyes
  3. C.An elongated body and long hair-like barbels around the mouth
  4. D.A disc-shaped body with no mouth opening
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ C An elongated body and long hair-like barbels around the mouth

ምክንያቱ

Clarias gariepinus can be easily recognized by its elongated body and long hair-like barbels around its mouth.

ጥያቄ 5

According to the textbook, how many indigenous and exotic fish species are found in the Ethiopian fish fauna?

  1. A.153 indigenous and 10 exotic species
  2. B.120 indigenous and 25 exotic species
  3. C.177 indigenous and 5 exotic species
  4. D.195 indigenous and 12 exotic species
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ A 153 indigenous and 10 exotic species

ምክንያቱ

The Ethiopian fish fauna consists of 153 indigenous and 10 exotic species.

ጥያቄ 6

Why is it NOT recommended to introduce Nile perch (Lates niloticus) into water bodies outside its natural habitat?

  1. A.It feeds only on toxic water weeds
  2. B.It is carnivorous and preys on other fish
  3. C.It cannot survive in fresh water
  4. D.It destroys fish nets due to a lack of fins
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ B It is carnivorous and preys on other fish

ምክንያቱ

Lates niloticus is carnivorous on other fish, so it should not be introduced into water bodies outside its natural habitat.

ጥያቄ 7

The indigenous freshwater fish fauna of Ethiopia is composed of which three forms?

  1. A.Red Sea forms, Mediterranean forms, and Marine forms
  2. B.Nilo-Sudanic forms, East African highland forms, and Endemic forms
  3. C.Congo basin forms, Sahel forms, and Riverine forms
  4. D.Southern Oceanic forms, Arctic forms, and Exotic forms
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ B Nilo-Sudanic forms, East African highland forms, and Endemic forms

ምክንያቱ

Ethiopian indigenous freshwater fish fauna is a mixture of three forms: Nilo-Sudanic forms, East African highland forms, and Endemic forms.

ጥያቄ 8

How many pairs of gills do bony fishes have, and what structure protects them?

  1. A.Three pairs protected by the swim bladder
  2. B.Four pairs protected by the dorsal fin
  3. C.Five pairs protected by an operculum
  4. D.Six pairs protected by overlapping scales
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ C Five pairs protected by an operculum

ምክንያቱ

Bony fishes have five pairs of gills protected by an operculum.

ጥያቄ 9

How many endemic fish species and subspecies are found in Ethiopia?

  1. A.153 species and 10 subspecies
  2. B.38 species and 2 subspecies
  3. C.10 species and 5 subspecies
  4. D.45 species and 4 subspecies
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ B 38 species and 2 subspecies

ምክንያቱ

The endemic forms are very few in Ethiopia, comprising about 38 species and 2 subspecies.

ጥያቄ 10

Which three carp species belonging to the family Cyprinidae were introduced into Ethiopian water bodies like Koka and Fincha dams?

  1. A.Common carp, grass carp, and silver carp
  2. B.Nile carp, mirror carp, and black carp
  3. C.Bighead carp, mud carp, and crucian carp
  4. D.Golden carp, catla carp, and rohu carp
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ A Common carp, grass carp, and silver carp

ምክንያቱ

The three introduced carp species belonging to the family Cyprinidae are Common carp, grass carp, and silver carp.

መተግበሪያው በዚህ ምዕራፍ ላይ 12 ጥያቄዎች አሉት፤ እየሠሩ ያርምዎታል። እዚህ ያሉት የመጀመሪያዎቹ 10 ናቸው።

የምዕራፍ 10 የመፅሐፍ ገጾች

ምዕራፍ 10 በየትምህርት ሚኒስቴር እትም ከገጽ 191 እስከ ገጽ 209 ይደርሳል።

የትምህርት ሚኒስቴር እትም, እንግሊዝኛ, 302 ገጾች

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