Biology triple science

questions on everything really, just thought i'd test myself because my exam is in two days. hope this helps with your revision too :D

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  • Created by: zofia
  • Created on: 19-05-12 13:35
What does active transport need to work?
Energy
1 of 17
Where does respiration occour?
In the mitochondria of a cell
2 of 17
What does respiration produce?
Energy
3 of 17
What moves during osmosis?
Water
4 of 17
Osmosis and _______ depend on a concentration gradient in the right direction to work.
Diffusion
5 of 17
What are the alvioli in the lungs used for?
Increase the surface area
6 of 17
What is used to increase the surface area in the gut?
Villi
7 of 17
How are (answer to qus 7) adapted to make diffusion easier?
Thin wall, close blood supply, moist surface, large surface area
8 of 17
What are stomata?
Holes in the leaf that allow gases to move in and out
9 of 17
What is the constant movement of water up the stem and into the leaves known as?
The transpiration stream
10 of 17
What is transpiration?
When water is lost through the stomata
11 of 17
What transports blood cells, and minerals around your body and is yellow?
Plasma
12 of 17
What does yeast produce when it respires anaerobically?
Ethanol (alcohol) and carbon dioxide
13 of 17
What is this process (in qus 16) known as?
Fermentation
14 of 17
What causes milk to thicken into yoghurt?
Lactic acid
15 of 17
What has to be controlled in an industrial fermenter?
Temperature, pH, food, oxygen
16 of 17
The higher the percentage of ______ the more efficient the biogas.
Methane
17 of 17

Other cards in this set

Card 2

Front

Where does respiration occour?

Back

In the mitochondria of a cell

Card 3

Front

What does respiration produce?

Back

Preview of the front of card 3

Card 4

Front

What moves during osmosis?

Back

Preview of the front of card 4

Card 5

Front

Osmosis and _______ depend on a concentration gradient in the right direction to work.

Back

Preview of the front of card 5
View more cards

Comments

:) PurpleJaguar (: - Team GR

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What board was this for?

Bethany Cunningham

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Really good revision quiz! 5 star.

Someone

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It's for aqa

Lydia

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really great quiz! Now i know what I need to revise again.

Nuha

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thank you :)

scarlett

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why so many spelling mistakes?

amy-hope

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Some questions were quite simple but overall very useful, thank you :)

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