Sciences - Co-ordinated (Double) - 0654 CIE

Photosynthesis

Akopọ

Almost all the food on Earth, and the oxygen you are breathing right now, can be traced back to one process happening in green leaves: photosynthesis. Plants capture the energy of sunlight and lock it into sugar, building food out of nothing more than carbon dioxide and water.

In this lesson you will learn exactly what photosynthesis is, the word equation you must know by heart, the role of chlorophyll, and, at Extended level, the balanced symbol equation. By the end you will be able to explain how plants make their own food and why that matters for every living thing.

Awọn Afojusun

  1. Describe photosynthesis as the process by which plants synthesise carbohydrates from raw materials using energy from light
  2. State the word equation for photosynthesis as: carbon dioxide + water → glucose + oxygen in the presence of light and chlorophyll
  3. State that chlorophyll is a green pigment that is found in chloroplasts
  4. State that chlorophyll transfers energy from light into energy in chemicals, for the synthesis of carbohydrates
  5. [Supplement] State the balanced chemical equation for photosynthesis as: 6CO + 6H O → C H O + 6O 2 2 6 12 6 2

Akọ̀wé Ẹ̀kọ́

Photosynthesis is the foundation of nearly every food chain and the source of atmospheric oxygen. Examiners insist on the exact word equation and the roles of light and chlorophyll, and Extended candidates must give the balanced symbol equation. Get these precise and you secure the core marks of an entire section of the syllabus.

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Ìdánwò Ẹ̀kọ́

Oriire fun ipari ẹkọ lori Photosynthesis. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.

Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.

Lo ise abala yii gege bi anfaani lati mu oye re lori koko-ọrọ naa lagbara ati lati ṣe idanimọ eyikeyi agbegbe ti o le nilo afikun ikẹkọ. Maṣe jẹ ki awọn italaya eyikeyi ti o ba pade da ọ lójú; dipo, wo wọn gẹgẹ bi awọn anfaani fun idagbasoke ati ilọsiwaju.

  1. The raw materials for photosynthesis are: A. glucose and oxygen B. carbon dioxide and water C. oxygen and water D. glucose and carbon dioxide Answer: B
  2. In the word equation for photosynthesis, the products are: A. carbon dioxide + water B. glucose + oxygen C. starch + carbon dioxide D. oxygen + water Answer: B
  3. Chlorophyll is found in the: A. nucleus B. mitochondria C. chloroplasts D. ribosomes Answer: C
  4. The role of chlorophyll is to: A. produce carbon dioxide B. absorb light energy and transfer it to chemical energy C. store glucose D. release water Answer: B
  5. The balanced symbol equation for photosynthesis is: A. CO2 + H2O -> C6H12O6 + O2 B. 6CO2 + 6H2O -> C6H12O6 + 6O2 C. 6CO2 + H2O -> C6H12O6 + O2 D. CO2 + 6H2O -> 6C6H12O6 + O2 Answer: B

O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
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O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
Oluranlọwọ ẹkọ ti AI ṣe agbara rẹ
Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
O wa lori Android, Windows, macOS, ati Linux

Ṣe Adaṣe Awọn Ibeere Idanwo Adaṣe

Ṣe o fẹ ṣe adaṣe awọn ibeere idanwo adaṣe nipa Photosynthesis? Ṣe igbasilẹ ohun elo Green Bridge CBT lati wọle si awọn ibeere idanwo adaṣe ati awọn ayẹwo adaṣe kikun fun koko-ọrọ yii.

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