Plants Key Words.

Question 1

Glucose.

Answer 1

A simple sugar molecule.

Question 2

Pore.

Answer 2

A very small hole.

Question 3

Manure.

Answer 3

Waste organic material.

Question 4

Root Hair Cells.

Answer 4

Specialised plant cells on roots.

Question 5

Deficiency.

Answer 5

A lack of something, such as a nutrient.

Question 6

Starch.

Answer 6

A large molecule made by plants as a form of food storage.

Question 7

Iodine.

Answer 7

An orange coloured liquid used to test for starch.

Question 8

Chlorophyll.

Answer 8

Green pigment in plants used in photosynthesis.

Question 9

Cuticle.

Answer 9

Waxy, waterproof, protective outer layer of a leaf.

Question 10

Concentration.

Answer 10

The number of particles packed into a certain volume.

Question 11

Carbon Dioxide.

Answer 11

The gas in the air used by plants to make food. It is produced during respiration, by burning fossil fuels, or by acids reacting with metal carbonates.

Question 12

Photosynthesis.

Answer 12

The process by which energy from sunlight, carbon dioxide and water, are used by green plants to produce glucose and oxygen.

Question 13

Chemosynthesis.

Answer 13

Energy from chemicals is used to make food.

Question 14

Hydrothermal vent.

Answer 14

Forms on the sea floor where there is volcanic activity.

Question 15

Oxygen.

Answer 15

The gas in the air that is produced by plants, used during aerobic respiration and during combustion reactions.

Question 16

Stomata.

Answer 16

The tiny pores on the underneath surface of a leaf- through which gases can move in and out.

Question 17

Stoma.

Answer 17

A tiny pore on the underneath surface of the leaf- through which gases can move in and out.

Question 18

Transpiration.

Answer 18

The movement of water in plants as it is taken up through the roots and released from the leaves as water vapour.

Question 19

Guard cells.

Answer 19

Leaf cells on either side of the stoma which control its opening and closing.

Question 20

Palisade Cell.

Answer 20

A long narrow plant cell packed with chloroplasts, and found in the upper part of the leaf.

Question 21

Epidermis.

Answer 21

Single-cell thick transparent layer in the upper surface of a leaf.

Question 22

Fertiliser.

Answer 22

Chemical applied to soil to increase soil fertility, and allow better crop growth of plants.

Question 23

Rate.

Answer 23

A measure of speed or the number of times something happens in that set amount of time.

Question 24

Spongy Cell.

Answer 24

A plant cell with a large surface area, large spaces around it and it is found in the lower part of the leaf.

Question 25

Xylem cells.

Answer 25

Plant cells that join together to form a pipeline in the stem of the plant through which water and minerals travel.