B1.4 Photosynthesis

Question 1

Biomass

Answer 1

The total mass of organisms in a given area

Question 2

Chlorophyll

Answer 2

Green pigment in chloroplast which traps energy from the Sun

Question 3

Endothermic

Answer 3

A chemical reaction in which energy is transferred from the surrounding to the reacting mixtures

Question 4

Limiting factors

Answer 4

Factors which can prevent an increase in the rate of photosynthesis

Question 5

Photosynthesis

Answer 5

Process by which producers made food - carbon dioxide and water react to form glucose and oxygen

Question 6

Producers

Answer 6

Organisms that make their own food through the process of photosynthesis

Question 7

Stage 1 (of photosynthesis)

Answer 7

The light dependent stage of photosynthesis where energy transferred from light is used to split water molecules into oxygen gas and hydrogen ions

Question 8

Stage 2 (of photosynthesis)

Answer 8

The light independent stage of photosynthesis where carbon dioxide gas combines with the hydrogen ions produced in stage 1 of photosynthesis to make glucose