Lesson 16: Photosynthesis

Question 1

Definition of

Photosynthesis

Answer 1

The process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugars.

Question 2

Fill in the blanck:

The main pigment involved in photosynthesis is ______.

Answer 2

Chlorophyll

Question 3

Where can chloroplast be found?

Answer 3

Cells of leaves

Question 4

What is chlorophyll’s most important function in photosynthesis?

Answer 4

Absorbs light

Question 5

Mention a adaptation of the palisade layer of a leaf to meet the requirements of photosynthesis

Answer 5

Lots of chloroplasts

This is where photosynthesis takes place mainly.

Question 6

Mention a adaptation of the spongy layer of a leaf to meet the requirements of photosynthesis

Answer 6

Large spaces between the cells

This allows gases (oxygen, carbon dioxide) to flow

Question 7

Mention a adaptation of the epidermis of a leaf to meet the requirements of photosynthesis

Answer 7

It is transparent

Allows sunlight go through it

Question 8

Mention a adaptation of the cuticle of a leaf to meet the requirements of photosynthesis

Answer 8

Waxy layer

Prevents water evaporation

Question 9

Mention a adaptation of the stomata of a leaf to meet the requirements of photosynthesis

Answer 9

Holes at the bottom

Allows gases to get in the leaf

Question 10

Why are plants green?

Answer 10

Because chlorophyll absorbs most colors of sunlight except green. It reflects green light, which is why we see plants as green.