Chapter 1 (Photosynthesis)

Question 1

Name the seven forms of visable light.

Answer 1

X-rays
UV rays
Visible-light
Infrared
Microwave
Radio Waves
Gamma Rays

Question 2

What are chloroplasts?

Answer 2

Small organelles that are practically filled with molecules called chlorophyll.

Question 3

What is chlorophyll?

Answer 3

Green pigmentation in plants that obsorb light energy from the sun to produce food.

Question 4

What happens during photosynthesis?

Answer 4

Green plants absorbs the radiant energy to manufacture organic food, namely glucose.

Question 5

What does a plant use to create oxygen?

Answer 5

Water and Carbon Dioxide.

Question 6

What are the two very important energy conversions that take place during photosynthesis?

Answer 6

~ Radiant energy(light) is converted into Chemical Potential energy(Organic food).
~ Inorganic substances(H2O & CO2) are converted into glucose.

Question 7

Plants need four raw materials to photosynthesise.
NAME them.

Answer 7

~ Carbon Dioxide
~ Water
~Chlorophyll
~Radiant energy

Question 8

Products of photosynthesis are…

Answer 8

~ Oxygen
~ Glucose

Question 9

What other organic foods do plants convert glucose into?

Answer 9

~ Starch
~ Protiens
~ Cellulose
~ Oils

Question 10

What types of reaction occurs in the sun when energy is formed?

Answer 10

Nuclear Fusion

Question 11

Why is photosynthesis essential to life on earth?

Answer 11

~ To produce organic food
~ To produce oxygen
~To produce natural resources