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Worksheets

Focus #18

Total questions: 16

Worksheet time: 9mins

Name
Class
Date
1.

Which of the following are reactants of photosynthesis?

a)

CO2 and H2O

b)

O2

c)

H2O and Glucose

d)

None of the above

2.

Which part of a flower is known to attract pollinators?

a)

Stem

b)

Leaf

c)

Pollen

d)

Colorful Petals

3.

Which part of a plant anchors the plant to the ground and soaks up water and minerals?

a)

stem

b)

leaves

c)

roots

d)

petals

4.

Which of the following helps with plant reproduction?

a)

Pollen

b)

Stem

c)

Roots

d)

Leaves

5.

Where is the main site of photosynthesis on a plant?

a)

Stem

b)

Leaves

c)

Petals

d)

Pollen

6.

Photosynthesis produces Glucose for plants. This is a form of __________________________ for plants.

a)

Chemical energy

b)

Thermal energy

c)

Light energy

d)

Radiant energy

7.

In which organelle does photosynthesis occur?

a)

Cell Wall

b)

Chlorophyll

c)

Chloroplast

d)

Cytoplasm

8.

What are the end products of photosynthesis?

a)

Carbon Dioxide and Water

b)

Glucose and Carbon Dioxide

c)

Oxygen and Glucose

d)

Water and Glucose

9.

When light intensity goes up, the rate of photosynthesis goes _______.

a)

up

b)

down

c)

at the same rate. It does not change.

10.

The release in energy from the sugar that are in plant and animal cells is called...

a)

photosynthesis

b)

transpiration

c)

cellular respiration

d)

transition

11.
In which way are photosynthesis and cellular respiration different?
a)
Cellular respiration stores ATP, while photosynthesis releases ATP.
b)
Cellular respiration produces oxygen, while photosynthesis uses oxygen.
c)
Photosynthesis releases energy, while cellular respiration stores energy.
d)
Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
12.
What gas is released into the air during cellular respiration?
a)
oxygen
b)
carbon dioxide
c)
water 
d)
glucose
13.

Which of the following organelles is responsible for cellular respiration?

a)

Mitochondria

b)

Nucleus

c)

Endoplasmic Reticulum

d)

Ribosome

14.

How can energy from the sun be transferred to animals?

a)

The sun's energy is transformed into food by plants, animals eat plants as food so that they can transform that food into energy.

b)

Plants produced energy through photosynthesis, animals that eat that energy can produce food.

c)

Plants transformed energy of the sun into gases that animals can breath in to use as energy through respiration.

d)

Animals are able to use energy from the sun by eating the plants that provides energy for the animals.

15.

C6H12O6 is the chemical formula for

a)

Carbon Dioxide

b)

Water

c)

Oxygen

d)

Glucose

16.

1. What is chlorophyll and how does it help plants?

a)

A.Chlorophyll is a pigment that absorbs light energy and makes glucose.

b)

B.Chlorophyll is a protein that changes shape in the presence of sunlight.

c)

C.Chlorophyll is a receptor that binds carbon dioxide when energized by light

d)

D.Chlorophyll is an enzyme that catalyzes the production of glucose when exposed to light.