Biology Unit 2 GCSE (AQA)

A quiz covering key parts of each topic in Unit 2. This is for AQA course pre-2011. Higher

  • Created by: Abbie
  • Created on: 22-01-12 15:26
What is diffusion?
the movement of particles from a high concentration to a low concentration
1 of 25
What is osmosis?
the movement of water particles from a high concentration of water to a low concentration of water through a partially permamble membrame
2 of 25
How can you gain an energy efficent diet?
By eating lower down the food chain
3 of 25
What is photosynthesis?
the process by which plants make their own food
4 of 25
What substance in plants is needed for photosynthesis?
Chloropyhll
5 of 25
What is a by product of respiration?
Oxygen
6 of 25
Factors that affect the RATE of photosynthesis are:
Temperature, Carbon dioxide, Light
7 of 25
Where does photosynthesis take place in the leaf?
Palliside Layer
8 of 25
Yellow leaves are a sign of deffiency of what mineral?
Magnesium
9 of 25
Decomposers such as bacteria and fungi, work best in moist conditions because..
they reproduce quickly in moist conditions
10 of 25
Carbon dioxide leaves the atmosphere by:
photosynthesis
11 of 25
Enzymes are..
biological catalysts
12 of 25
Enzymes work best at:
37-40 degrees
13 of 25
What is Starch broken down into?
Glucose
14 of 25
What enzyme breaks down Fats?
Lipase
15 of 25
Protease is produced in:
Pancreas, Stomach, Small Intestine
16 of 25
What acid is produced in the stomach to kill bacteria?
Hydrochloric acid
17 of 25
What does bile do to food?
Neaurlises it
18 of 25
The pancreas releases what hormone when blood sugar levels are HIGH?
Insulin
19 of 25
The pancreas releases what hormone when blood sugar levels are LOW?
Glucagon
20 of 25
When the body is cold, blood supply to the surface of skin is reduced. This is called:
Vasoconstriction
21 of 25
Mitosis is used to make:
Body cells
22 of 25
In Meiosis the cells divide twice, true or false?
True
23 of 25
Huntingtons disease effects what part of the body?
Nervous system
24 of 25
Cystic Fibrosis is carried on..
the recessive allele
25 of 25

Other cards in this set

Card 2

Front

What is osmosis?

Back

the movement of water particles from a high concentration of water to a low concentration of water through a partially permamble membrame

Card 3

Front

How can you gain an energy efficent diet?

Back

Preview of the front of card 3

Card 4

Front

What is photosynthesis?

Back

Preview of the front of card 4

Card 5

Front

What substance in plants is needed for photosynthesis?

Back

Preview of the front of card 5
View more cards

Comments

s

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This was rly helpful!

Well done! :)

:)

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i <3 dis quiz bby

:)

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its soooo gud am well gonna pass now :D

:)

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whoever made dis quiz is bumting bby

Ben

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Nice quiz, no ridiculous answers like other quizzes!

hamza

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excellent quiz exam is tommorow and i am confident thanks

Amel Ismail

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I got 60%! yaay

Student

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Carbon dioxide leaves the atmosphere by:

respiration
photosynthesis
burning fossil fuels
animals eating plants

it can be all of them except photoshythesis?!?!?!?!

Vanessa

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really good!

Jonathan Foulston

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thanks! this helped a lot! got 66%!

anthony

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Student wrote:

Carbon dioxide leaves the atmosphere by:

respiration
photosynthesis
burning fossil fuels
animals eating plants

it can be all of them except photoshythesis?!?!?!?!

You're thinking of entering the atmosphere

Max

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yooooooo, byproduct of respiration is oxygen? I dont think so, its CO2 my friend, but otheriwse top quiz only for the champion within you.

CookieMonster_4

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good job the exam is today D: !!!!!!!!!!!!!

DAVID

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AMAZING! XD

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