Photosynthesis N4

Question 1

What is photosynthesis?

Answer 1

The process carried out by green plants to make their own food using light energy

Question 2

What is glucose?

Answer 2

The energy rich sugar made by green plants in photosynthesis that can be stored as starch

Question 3

What are chloroplast?

Answer 3

Site of photosynthesis in plant cells

Question 4

What is chlorophyll?

Answer 4

The green pigment in chloroplasts that absorb light energy for the process of photosynthesis

Question 5

What do plants use carbon dioxide and water to produce?

Answer 5

Glucose and oxygen

Question 6

Where does the energy for photosynthesis come from?

Answer 6

The sun

Question 7

What is light energy converted to in glucose, and how?

Answer 7

Chemical energy using chlorophyll

Question 8

What makes a leaf greener?

Answer 8

The amount of chloroplasts it has

Question 9

If a leaf has more chloroplasts what can it do better?

Answer 9

Light absorption

Question 10

What is the word equation for photosynthesis?

Answer 10

See flashcard 1a

Question 11

What is the glucose made by photosynthesis used for?

Answer 11

For the plant to grow

Question 12

What is starch?

Answer 12

Storage carbohydrate in plants

Question 13

What is cellulose?

Answer 13

Substance that cell walls are made from

Question 14

What are producers?

Answer 14

Green plants that make their own food by photosynthesis

Question 15

What are consumers?

Answer 15

Animals that obtain their energy by eating other organisms

Question 16

What are herbivores?

Answer 16

Animals that only eat plants?

Question 17

What are carnivores?

Answer 17

Animals that only eat other animals

Question 18

What is a food chain?

Answer 18

A diagram that shows how food energy moves from one organism to another

Question 19

What is a food web?

Answer 19

A diagram showing feeding relationships made up of many interconnected food chains

Question 20

What would happen if plants and photosynthesis weren’t a thing?

Answer 20

All life on earth would eventually die

Question 21

What does almost every food chain and food web start with?

Answer 21

Green plants acting as producers

Question 22

What do plants take in?

Answer 22

Carbon Dioxide to stop the level in the atmosphere rising to high

Question 23

What are limiting factors?

Answer 23

Factors which if in short supply can limit the rate of photosynthesis

Question 24

What can photosynthesis be affected by?

Answer 24

Temperature

Question 25

How can photosynthesis rate be measured?

Answer 25

By measuring the volume of oxygen released by an aquatic plant

Question 26

How do farmers prevent limiting factors?

Answer 26

Irrigation systems, artificial lighting, adding carbon dioxide to the atmosphere, heating