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GCSE AQA Biology > The Equations > Flashcards

The Equations Flashcards

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1
Q

What is the formula for calculating the magnification of an image?

What is the formula for calculating the image size of an image?

What is the formula for calculating the real size of an image?

A

Magnification= Image Size -:- Real Size

Image Size= Magnification x Real Size

Real Size= Image Size -:- Magnification.

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2
Q

What is the formula for calculating the rate of a reaction?

A

Rate= 1000 -:- Time.

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3
Q

What is the word equation for photosynthesis?

What is the balanced symbol equation for photosynthesis?

What type of reaction is photosynthesis?

A

Carbon Dioxide + Water (+Light)— Glucose + Oxygen (+Energy)

6CO2 + 6H2O (+Light)— C6H12O6 + 6O2 (+Energy)

Endothermic reaction.

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4
Q

What is the word equation for respiration?

What is the balanced symbol equation for respiration?

What type of reaction is respiration?

A

Glucose + Oxygen— Carbon Dioxide + Water (+Energy)

C6H12O6 + 6O2— 6CO2 + 6H2O (+Energy)

Exothermic reaction.

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5
Q

What is the formula for calculating the light intensity of something?

A

Light Intensity= 1 -:- distance squared

technically it’s proportional to not equal to

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6
Q

What is the word equation for anaerobic respiration in plants and yeast?

What is anaerobic respiration called in yeast cells?

A

Glucose— Ethanol + Carbon Dioxide

Fermentation.

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7
Q

What is the word equation for anaerobic respiration in animals?

A

Glucose— Lactic Acid (+Energy).

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8
Q

What is the definition of the theory of evolution?

A

All of today’s species have evolved from simple life forms that first started to develop over three billion years ago.

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9
Q

What is the formula for calculating the mean in quadrats?

A

Mean= Total number of organisms -:- Number of quadrats.

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10
Q

What is the definition of biodiversity?

A

The variety of different species of organisms on Earth, or within an ecosystem.

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11
Q

What is the formula for calculating the efficiency of biomass transfer?

A

Efficiency= Biomass transferred to the next level -:- Biomass available at the previous level x 100.

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12
Q

What is the formula for calculating the rate of flow of blood?

A

Rate of flow of blood= Volume of blood -:- number of minutes.

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13
Q

In any experiment how can scientists increase the precision of the results?

A

By repeating the experiment and then calculating the mean.

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GCSE AQA Biology (19 decks)

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