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B2 Topic 2 Knowledge Test SDCC Flashcards | StudBud

Explore/B2 Topic 2 Knowledge Test SDCC

B2 Topic 2 Knowledge Test SDCC

13 terms·StudBud Administration·615 plays

B2 from edexcel topic 2

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Questions 13

Answers

1
A leaf is adapted for photosynthesis by...
large surface area to absorb sunlight
chloroplasts to absord energy from sunlight
all 3
stomata for gas exchange
2
Transpiration is...
active transport carrying water into roots
the diffusion of water into roots
mineral ions diffusing into the phloem
the diffusion of water molecules through stomata in leaves
3
What chemical causes cramps?
lytic acid
fatty acid
lactic acid
4
Which structure carries water up the plant?
xylem
phloem
stem
5
the movement of molecules from an area of high to low concentration is...
mitosis
active transport
osmosis
diffsusion
6
what are the products of aerobic respiration?
glucose and oxygen
carbon dioxide and water
glucose and water
7
What is the word equation for photosynthesis?
glucose = lactic acid
glucose + oxygen = carbon dioxide + water
carbon dioxide + water = glucose + oxygen
8
when you exercise breathing rate and heart rate...
increase to reduce the amount of oxygen in your body
increase to get more oxygen to working muscles
decrease to get more oxygen to working muscles
stays the same to ensure you get enough oxygen
9
What is the name of the process that moves minerals into roots?
Active transport
Osmosis
Diffusion
10
Cardiac output =
heart rate + stroke volume
breathing rate x stroke volume
breathing rate x heart rate
heart rate x stroke volume
11
What happens to heart rate when you exercise?
decreases
increases
stays the same
12
Why does anaerobic respiration occur?
your muscles cannot get enough glucose
Your muscles have too much oxygen
your muscles cannot get enough oxygen
13
EPOC stands for
extra post-exercise oxygen consumption
excess pre-exercise oxygen consumption
excess post-exercise oxygen consumption
excess post-exercise oxygen concentration