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photosynthesis quiz

Total questions: 20

Worksheet time: 28mins

Name
Class
Date
1.

What gives the leaf its green color and absorbs sunlight?

a)

stomata

b)

chlorophyll

c)

roots

d)

flowers

2.
What gas  do plants give off after conducting photosynthesis that humans/animals need in order to live?
a)
Oxygen
b)
Carbon
c)
Nitrogen
d)
Hydrogen
3.
Plants take in ________from the air as one key ingredient for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
4.
What are the 3 key ingredients needed for photosynthesis
a)
glucose, oxygen, carbon dioxide
b)
carbon dioxide, water, glucose
c)
water, soil, sunlight
d)
sunlight, water, carbon dioxide
5.
A student is collecting the gas given off from a plant in bright sunlight at a temperature of 27°C. The gas being collected is probably ________.
a)
oxygen
b)
carbon dioxide
c)
ATP
d)
glucose
6.
What is the name of the sugars a plant produces after photosynthesis
a)
Glucose
b)
Sugar
c)
ATP
d)
Oxygen
7.
What is photosynthesis?
a)
The process in which humans eat their food
b)
When a photographer takes a photo.
c)
To get your pictures from the photo lab.
d)
The process in which plants make their food.
8.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO+ light + H2O --> O+ Sugar
b)
CO+ sugar + H2O --> O+ light
c)
O2 + light + H2O --> CO+ Sugar
d)
CO+ O2 + H2O --> Light+ Sugar
9.
Which organelle performs PHOTOSYNTHESIS?
a)
Chloroplast
b)
Mitochondria
10.
What are the reactants of photosynthesis?
a)
carbon dioxide and oxygen
b)
water and oxygen
c)
carbon dioxide and water
d)
water and glucose
11.

How does most of the water needed by the plant get into its leaves?

a)

It enters through the stomata

b)

The roots absorb it and then it travels up the stem

c)

It's made during a chemical reaction in the leaf

d)

The flowers capture water and deliver it to the leaves

12.
How does carbon dioxide get into the leaves of a plant?
a)
It's absorbed by the roots
b)
It's made in a chemical reaction in the stem
c)
It enters through the stomata
d)
It goes through the flowers
13.

What is the tiny openings that let in the carbon dioxide needed for photosynthesis?

a)

stomata

b)

xylem

c)

phloem

d)

chloroplast

14.
In which organelle does photosynthesis occur?
a)
mitochondria
b)
cell membrane
c)
nucleus
d)
chloroplasts
15.

Which type of specialized cell sticks out into the soil, allowing water into the plant?

a)

xylem

b)

guard cells

c)

epidermis cells

d)

phloem

e)

root hair cells

16.

Part of the leaf which allows the diffusion of gases to occur

a)

Palisade Cells

b)

Spongy Mesophyll Cells

c)

Epidermis

d)

Phloem

17.
Most of the chloroplast cells are found in the
a)
upper epidermis
b)
pallisade mesophyll layer
c)
lower epidermis
d)
stomata
18.
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
a)
Enter: Oxygen
Exit: Carbon dioxide
b)
Enter: Water vapor
Exit: Glucose
c)
Enter: Carbon dioxide
Exit: Oxygen
d)
Enter: Light
Exit: Water vapor
19.

Why do leaves need a large surface area?

a)

To absorb as much water as possible.

b)

To absorb as much sunlight as possible.

c)

To absorb as much food as possible.

d)

To absorb as much chlorophyll as possible.

20.

Identify structure 1 in the diagram.

a)

Spongy mesophyll

b)

Vascular bundle

c)

Waxy cuticle

d)

Palisade mesophyll