OCR 21st Century Biology B7

Questions on B7 - Biology Across the Ecosystem

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  • Created by: Priya
  • Created on: 02-06-12 15:53
What is respiration?
The process of releasing energy from glucose which happens in cells
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What is energy released from respiration used for?
To make ATP which carries energy to where it is needed
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What is the word equation for anaerobic respiration?
glucose ----> lactic acid (+ energy released)
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What is blood made up of?
Red blood cells, white blood cells, platelets and plasma
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What is the difference between ligaments and tendons?
Bones are attached to bones by ligaments and bones are attached to muscles by tendons
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What question might a health practitioner ask a patient?
What is your family medical history?
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Why do practitioners need to keep records?
So they can see if they should stay with the current treatment and to monitor changes.
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What is the R.I.C.E method?
Rest, Ice, Compression, Elevation
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What is a pyramid of biomass and a pyramid of numbers?
A pyramid of biomass measures the mass of an organism as a whole whereas a pyramid of numbers counts how many organisms there are e.g. a few trees and lots of fleas
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What is the difference between mutualism and commensalism?
In mutualism two organisms benefit from one another and in commensalism only one organism benefits whereas the other remains unharmed
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Why do plants turn glucose into starch?
It is insoluble and doesn't affect the osmotic balance of the plant
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What three things affect the rate of photosynthesis?
Carbon dioxide, light and temperature
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Other cards in this set

Card 2

Front

What is energy released from respiration used for?

Back

To make ATP which carries energy to where it is needed

Card 3

Front

What is the word equation for anaerobic respiration?

Back

Preview of the front of card 3

Card 4

Front

What is blood made up of?

Back

Preview of the front of card 4

Card 5

Front

What is the difference between ligaments and tendons?

Back

Preview of the front of card 5
View more cards

Comments

Rebecca Garforth

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question 17 the correct answer that you have selected isn't even a complete answer. please check

Priya

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Thanks, I've changed it

Joanna_153

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Thanks for doing this! Good luck to everyone doing the exam soon XD

emma

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this isn't the most modern b7 is it? I didn't know we had to know about sickle cell or parasites and its not in the cgp book :s

emma

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this isn't the most modern b7 is it? I didn't know we had to know about sickle cell or parasites and its not in the cgp book :s

Katie

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Hi Emma did you find out if we need to know the stuff on here, it's not in my cpg book either:)

Nia

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hello, this is a good resource but due to a change in specification, is no longer helpful

Nia

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yeah, the resource has things on there which will not be in the test, so that's why its not in your cgp book

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