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Science 8a > EDUCAKE > Flashcards

EDUCAKE Flashcards

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1
Q

Where does photosynthesis occur?

A

Chloroplast

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1
Q

True or false? Ethanol is an example of a biofuel.

A

true

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2
Q

What type of respiration occurs when oxygen is in short supply?

A

Anaerobic

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3
Q

Name the microorganism that is used to make wine from grape juice.

A

yeast

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4
Q

What is the missing word? Aerobic respiration is respiration which uses glucose and __________.

A

oxygen

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5
Q

The build up of which acid causes fatigue in vigorously exercising muscle?

A

lactic acid

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6
Q

Photosynthesis requires energy. What gives energy to a plant?

A

sun

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7
Q

What word is used to describe respiration which “uses oxygen”?

A

aerobic

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8
Q

Ethanol can be produced using yeast. What is this process called?

A

fermentation

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9
Q

Which gas is produced as a waste product of aerobic respiration? Give the name, not the symbol.

A

carbon dioxide

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10
Q

Photosynthesis is a chemical reaction in which the energy stored in the sun is transferred to molecules of __________. What completes the sentence?

A

sugar called glucose

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11
Q

During photosynthesis, what does carbon dioxide react with to make carbohydrate?

A

water

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12
Q

True or false? Respiration releases energy.

A

true

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13
Q

When plants respire, what gas is released into the atmosphere?

A

carbon dioxide

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14
Q

What sugar is formed in photosynthesis?

A

glucose

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15
Q

What waste chemical is produced in anaerobic respiration in animals?

A

lactic acid

16
Q

What is the advantage of anaerobic respiration for animals?

A

It releases quick bursts of energy without needing a sudden increase in oxygen supply, which can help animals sprint away from a predator.”

17
Q

In aerobic respiration, glucose and oxygen are used up and carbon dioxide, water and __________ are released. What one word completes the sentence?

A

energy

18
Q

The rate of photosynthesis is controlled by light intensity, availability of carbon dioxide and which other factor?

A

water

19
Q

Where does aerobic respiration mainly take place?

A

mitochondria

20
Q

What substance, apart from yeast, is needed to make ethanol by fermentation?

A

glucose

21
Q

What is the chemical in leaves that absorbs light?

A

chlorophyll

22
Q

True or false? All living things respire all the time.

A

true

23
Q

True or false? Plants only respire at night.

A

false

Science 8a (10 decks)

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