Exploring Photosynthesis and Respiration Concepts

The video explains photosynthesis and respiration, detailing their processes and chemical equations. Photosynthesis is how plants convert sunlight into glucose and oxygen using chlorophyll. Respiration, occurring in all organisms, breaks down sugars to release energy, producing carbon dioxide and water. The video also covers how energy is used in organisms, summarized by the acronym MRS GREN, which stands for Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, and Nutrition.

What are the two main processes discussed in the video?

• Photosynthesis and Respiration

• Respiration and Digestion

• Photosynthesis and Digestion

• Photosynthesis and Excretion

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What is the main product of photosynthesis?

• Energy

• Glucose

• Water

• Carbon Dioxide

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Which enzyme is essential for photosynthesis?

• Chlorophyll

• Lipase

• Amylase

• Protease

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What are the reactants in the photosynthesis equation?

• Water and Oxygen

• Oxygen and Glucose

• Carbon Dioxide and Water

• Glucose and Carbon Dioxide

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NGSS.MS-LS1-6

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What type of reaction is respiration?

• Catalytic

• Endothermic

• Exothermic

• Neutral

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Where does cellular respiration occur?

• In the circulatory system

• Inside the cell

• In the respiratory system

• In the digestive system

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What are the products of respiration?

• Water and Glucose

• Carbon Dioxide and Oxygen

• Oxygen and Glucose

• Carbon Dioxide, Water, and Energy

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Which of the following is NOT a part of MRS GREN?

• Movement

• Respiration

• Sensitivity

• Photosynthesis

What does the 'N' in MRS GREN stand for?

• Nucleus

• Neurons

• Nurture

• Nutrition

Which process is responsible for producing oxygen as a byproduct?

• Digestion

• Photosynthesis

• Excretion

• Respiration

Tags

NGSS.MS-LS1-6