የ12ኛ ክፍል ውጤት ወጥቷል፤ ውጤትዎን የሚያዩበት መንገድ

የምዕራፍ ማስታወሻዎችና የመልመጃ ጥያቄዎች

የ12ኛ ክፍል ባዮሎጂ ምዕራፍ 6፦ የአየር ንብረት ለውጥ

በዚህ ገጽ ያለው ሁሉ ለ12ኛ ክፍል የባዮሎጂ መፅሐፍ ምዕራፍ 6 ነው፦ ምዕራፉ የሚሸፍነው፣ አጭር ማስታወሻዎቹ፣ የመልመጃ ጥያቄዎች ከመልሶቻቸው ጋር፣ እና ቪዲዮ ባለበት የትምህርቱ ቪዲዮ።

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የምዕራፍ 6 የመልመጃ ጥያቄዎች
333–354
የምዕራፍ 6 የመፅሐፍ ገጾች

ምዕራፍ 6 የሚሸፍነው

  1. 1.Climate change: causes and effects
  2. 2.Effects of climate change
  3. 3.International conventions

የምዕራፍ 6 አጭር ማስታወሻዎች

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

የግሪንሀውስ ጋዝዋና ምንጮች
Carbon dioxide (CO2)የቅሪተ አካል ነዳጅ ማቃጠል፣ ደን መጨፍጨፍ
Methane (CH4)የቆሻሻ መጣያ ቦታዎች፣ የሩዝ እርሻዎች፣ የከብቶችና የበጎች የምግብ መፍጨት
Nitrous oxide (N2O)ማዳበሪያ፣ የእንስሳት ቆሻሻ
Hydrofluorocarbons (HFCs)የሴሚኮንዳክተር ምርት እና ሌሎች የኢንዱስትሪ ሂደቶች
Perfluorocarbons (PFCs)እነዚሁ የኢንዱስትሪ ሂደቶች እና የአልሙኒየም ማቅለጥ
Sulfur hexafluoride (SF6)የኤሌክትሪክ ማስተላለፊያ ስርዓቶች፣ የማግኒዥየምና የአልሙኒየም ምርት

መቼ እንደሚጠቀሙበት

ጥያቄው የዓለም ሙቀት መጨመር መንስኤዎችን ሲጠይቅ የግሪንሀውስ ጋዞችንና እያንዳንዱ በዋናነት ከየት እንደሚመጣ ለመጥቀስ ይጠቀሙበት።

ይጠንቀቁ

የውሃ ትነት ከሁሉም የበዛው የግሪንሀውስ ጋዝ ነው፤ ፈተናው ግን ሰዎች የሚጨምሯቸውን ይጠይቃል። ካርቦን ዳይኦክሳይድ በብዛት ስለሚለቀቅ ትልቁን የሙቀት መጨመር ድርሻ ይይዛል።

ከGrade 12 Biology፣ ገጽ 333-354 የተዘጋጀ፤ ከመውጣቱ በፊት ሁለት ጊዜ ተረጋግጧል

መቼ እንደሚጠቀሙበት

ጥያቄው የአየር ንብረት ለውጥ ከተፈጥሮ ዑደት ወይስ ከሰው ድርጊት እንደመጣ ሲጠይቅ ይጠቀሙበት።

ይጠንቀቁ

ሁሉንም ለውጥ ተፈጥሯዊ ነው ማለት ስህተት ነው። ምድር በራሷ ትለዋወጣለች፤ ከኢንዱስትሪ አብዮት ጀምሮ ግን ሰዎች ብዙ የግሪንሀውስ ጋዝ ስለጨመሩ አሁን ያለው ሙቀት ከዚያ ተፈጥሯዊ ክልል ውጭ ሆኗል (anthropogenic ማለት በሰው የመጣ ማለት ነው)።

ከGrade 12 Biology፣ ገጽ 333-354 የተዘጋጀ፤ ከመውጣቱ በፊት ሁለት ጊዜ ተረጋግጧል

የምዕራፍ 6 የመልመጃ ጥያቄዎች

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

ጥያቄ 1

According to the chapter, what is climate change?

  1. A.A long-term change in the usual climate of the planet, such as temperature, precipitation and wind, especially caused by human activities
  2. B.A change in the weather that happens for one day only
  3. C.A change caused only by volcanic eruptions
  4. D.A change in the height of ocean tides
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ A A long-term change in the usual climate of the planet, such as temperature, precipitation and wind, especially caused by human activities

ምክንያቱ

The chapter defines climate change as a global change in the usual climate (temperature, precipitation and wind), especially caused by human activities, over multiple decades or longer. Weather for one day is not climate change, and volcanoes are not the main cause.

ጥያቄ 2

Which of these is not listed in the chapter as one of the major greenhouse gases?

  1. A.Water vapour
  2. B.Carbon dioxide (CO<sub>2</sub>)
  3. C.Methane
  4. D.Oxygen
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ D Oxygen

ምክንያቱ

The chapter lists water vapour, carbon dioxide, methane and nitrous oxide as the major greenhouse gases. The chapter says oxygen and nitrogen do not absorb and radiate heat the way greenhouse gases do.

ጥያቄ 3

The chapter says the average temperature of the earth is kept at 14°C by the greenhouse effect. Without the greenhouse effect, what would the temperature drop to?

  1. A.14°C
  2. B.40°C
  3. C.-18°C
  4. D.0°C
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ C -18°C

ምክንያቱ

The chapter states that without the greenhouse effect, temperatures would drop to as low as -18°C, which is too cold to sustain life on earth.

ጥያቄ 4

Which human activity increases the concentration of atmospheric CO2, according to the chapter?

  1. A.Planting new forests
  2. B.Burning fossil fuels such as coal, oil and gas
  3. C.Rainfall
  4. D.Strong winds
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ B Burning fossil fuels such as coal, oil and gas

ምክንያቱ

The chapter says humans increase atmospheric CO2 by burning fossil fuels, cutting down forests and farming livestock. Among the choices, only burning fossil fuels is one of these named activities. Rainfall and winds are natural processes, not human causes.

ጥያቄ 5

According to the chapter, increases in atmospheric CO2 are responsible for about what share of the total energy imbalance that is causing the earth's temperature to rise?

  1. A.One-third
  2. B.About two-thirds
  3. C.All of it
  4. D.One-tenth
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ B About two-thirds

ምክንያቱ

The chapter says increases in atmospheric carbon dioxide are responsible for about two-thirds of the total energy imbalance that is causing the earth's temperature to rise.

ጥያቄ 6

In which year was Ethiopia's Green Legacy Initiative launched?

  1. A.2007
  2. B.2011
  3. C.2019
  4. D.2010
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ C 2019

ምክንያቱ

The chapter says the Green Legacy Initiative (GLI) was launched in 2019. The 2007 plan was the National Adaptation Plan of Action, and the CRGE strategy came in 2011.

ጥያቄ 7

In which year was the Kyoto Protocol adopted?

  1. A.1992
  2. B.2009
  3. C.1997
  4. D.1994
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ C 1997

ምክንያቱ

The chapter states that the Kyoto Protocol was adopted on 11 December 1997. The UNFCCC was agreed in 1992, and the Copenhagen meeting (COP15) was in 2009.

ጥያቄ 8

A cyclone moves at 62 km per hour near a coastal town. How far does it travel in 3 hours? Use the speed from the chapter.

  1. A.124 km
  2. B.60 km
  3. C.206 km
  4. D.186 km
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ D 186 km

ምክንያቱ

The chapter says cyclones move at sixty-two km per hour or more. Distance = speed × time, so 62 × 3 = 186 km. The other choices come from wrong multiplication or from using the wrong number.

ጥያቄ 9

A fisherman at a coastal village in Ethiopia notices that the sea has suddenly pulled far back from the shore. What should he do first, according to the chapter's tsunami advice?

  1. A.Walk out onto the exposed sea floor to look at the fish
  2. B.Move inland to higher ground immediately
  3. C.Wait on the beach until the water comes back
  4. D.Stay near the shore and take photos
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ B Move inland to higher ground immediately

ምክንያቱ

The chapter says a noticeable recession in water away from the shore is nature's tsunami warning and should be heeded. The correct action is to move inland to higher ground immediately and stay there.

ጥያቄ 10

According to the chapter, what causes most earthquake-related deaths and injuries?

  1. A.Being in open ground during the shaking
  2. B.Ground movement during the earthquake itself
  3. C.Collapsing walls, flying glass and falling objects
  4. D.Tsunami waves that follow every earthquake
መልሱንና ምክንያቱን ያሳዩ

መልስ፦ C Collapsing walls, flying glass and falling objects

ምክንያቱ

The chapter says ground movement is seldom the direct cause of death or injury. Most earthquake-related casualties result from collapsing walls, flying glass and falling objects. This is why people are told to stay away from glass and to take cover.

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

የምዕራፍ 6 የትምህርት ቪዲዮ

በዚህ ምዕራፍ ላይ ከ YouTube የተገኘ ትምህርት። ፕሌይ ሲጫኑ ብቻ ይጫናል።

Greenhouse effect and greenhouse gases · በ YouTube ላይ ይመልከቱ

የምዕራፍ 6 የመፅሐፍ ገጾች

ምዕራፍ 6 በየትምህርት ሚኒስቴር እትም ከገጽ 333 እስከ ገጽ 354 ይደርሳል።

የትምህርት ሚኒስቴር እትም, እንግሊዝኛ, 358 ገጾች

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ሁሉም የ12ኛ ክፍል ባዮሎጂ አጭር ማስታወሻዎች

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