1.2 More About Photosynthesis

Which substance captures energy from the sunlight to convert water and carbon dioxide to glucose and oxygen?

• chloroplast

• chlorophyll

• vacuole

• leaf

Which part of the plant cell can we find chlorophyll?

• nucleus

• mitochondria

• cytoplasm

• chloroplast

Which part of the plants where most chloroplasts are found?

Which statement best describes what photosynthesis is?

• it is the process of making food

• it is the process of producing glucose and oxygen as the product

• it is a chemical reaction which carbon dioxide reacts with water to produce glucose and oxugen

• the process of plants by making its own food for later use such as energy and growth

• all of the choices

How can we test for the presence of starch?

Why do plants photosynthesize?

Answer explanation

Plants have the ability to make their own food and store its energy through carbohydrates or starch. Plants will store it and will use sometime in the future for energy and growth. This sometimes happen during winter where there is less sunlight and will use the stored energy for growth.

What do you call the green substance that makes the plant green and also traps or captures the energy from the sun during photosynthesis?

Complete the word equation for photosynthesis:

​ (a)   + ​ (b)   ---------> ​ (c)   (d)  

• carbon dioxide
• water
• oxygen
• glucose
• nitrogen
• magnesium
• light
• carbon

Name the reactants of photosynthesis:

_________ and __________

Name the products of photosynthesis:

_________ and __________