M2. U1. RF

Question 1

process where green plants build-up carbohydrates or glucose from inorganic substances by means of radiant energy from the sun

Answer 1

photosynthesis

Question 2

the part of a practical investigation with the plant is given everything required except the factor that is under investigation

Answer 2

control

Question 3

organelles in plant cells where photosynthesis occurs

Answer 3

chloroplasts

Question 4

reagent used to test for the presence of starch in a leaf

Answer 4

iodine solution

Question 5

structure with a glass or plastic roof and or Wars where plants are

Answer 5

greenhouse

Question 6

raw materials required for photosynthesis

Answer 6

CO2, H2O, radiant energy, chlorophyll, and enzymes

Question 7

chemical substance used to extract chlorophyll from the leaf during the test for the presence of starch

Answer 7

alcohol or ethanol

Question 8

change of colour of the reagent for a positive test for the presence of starch

Answer 8

light brown to blue black

Question 9

the part of a practical investigation where the plant is given everything required including the fact that is under investigation

Answer 9

experiment

Question 10

type of energy absorbed by chlorophyll molecules

Answer 10

radiant energy

Question 11

light dependent phase in photosynthesis

Answer 11

light phase

Question 12

light independent phase in photosynthesis

Answer 12

dark phase

Question 13

the structure in the chloroplast where the light phase occurs

Answer 13

grana or thylakoids

Question 14

process during photosynthesis when water molecules are split up into hydrogen and oxygen

Answer 14

photolysis

Question 15

energy carrier that takes chemical energy to the dark phase during photosynthesis

Answer 15

ATP

Question 16

the part of the chloroplast where the dark phase occurs

Answer 16

stroma

Question 17

products of photosynthesis

Answer 17

glucose and O2

Question 18

the form in which excess glucose is stored in the plant

Answer 18

starch