b4

Question 1

is photosynthesis exothermic or endothermic

Answer 1

endothermic

Question 2

what is glucose used for

Answer 2

• Starch
  -Cellulose
  -Amino acids
  -Respiration
  -Fats and oils

Question 3

what is rate of photosynthesis increased by

Answer 3

-increase temp
-increase light intensity
- increase co2 concentration

Question 4

what is the equation for photosynthesis

Answer 4

glucose + carbon dioxide - glucose + oxygen

Question 5

what’s the practical for photosynthesis

Answer 5

• cut pondweed stem and place in a boiling tube of water mixed with sodium hydrogen carbonate
• measure distance for light source
• count how many bubble appear
• change the distance of the light source

Question 6

whats the independent variable in the photosynthesis practical

Answer 6

light intensity

Question 7

what does respiration provide energy for?

Answer 7

• chemical reactions
• warmth
• movement

Question 8

true or false:

aerobic respiration is respiration with oxygen

Answer 8

true

Question 9

what’s the equation for aerobic respiration

Answer 9

glucose + oxygen - water + carbon dioxide

Question 10

what’s the equation for anaerobic respiration

Answer 10

glucose - carbon dioxide + lactic acid

Question 11

how does the body remove the lactic acid?

Answer 11

• broken down into glucose by liver using oxygen

Question 12

what’s the equation for anaerobic respiration in plants

Answer 12

glucose - ethanol + carbon dioxide

Question 13

why does heart and breathing rate increase during exercise

Answer 13

increase blood flow to supply more oxygen and glucose so muscles to contract

Question 14

what is metabolism

Answer 14

the sum of all chemical reactions in a cell/organism