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Photosynthesis and Energy Transfer

Total questions: 28

Worksheet time: 33mins

Name
Class
Date
1.

A plant’s leaves are green because the color green is _________________back to our eyes.

a)

Absorbed

b)

Reflected

c)

Transmitted

d)

None of the Above

2.

Which is not a reactant (left side) needed for producing food in a green plant.

a)

Carbon Dioxide

b)

Water

c)

Oxygen

d)

Sunlight

3.

What part of the leaf is responsible for absorbing the sun’s energy?

a)

Cell Wall

b)

Veins

c)

Chlorophyll

d)

Nucleus

4.

The stoma on the underside of the leaf allows ___________ to move in and out of the leaf.

a)

Gases

b)

Water

c)

Nutrients

d)

Soil

5.

Which of the following is not a product (right side)of photosynthesis?

a)

Carbon Dioxide

b)

Oxygen

c)

Glucose

6.

Glucose is a type of _______________.

a)

Dairy Product

b)

Protein

c)

Salt

d)

Sugar

7.

Sun’s radiant energy falls under which part of the electromagnetic spectrum?

a)

Ling-Waves

b)

Gamma Rays

c)

Visible Light

d)

X-Rays

8.

Photosynthesis happens both during the day and night in plants.

a)

True

b)

False

9.

What are the products of photosynthesis?

a)

carbon dioxide and glucose

b)

oxygen and glucose

c)

water and carbon dioxide

d)

oxygen and carbon dioxide

10.

What do plants need for the photosynthesis process?

a)

soil, air, and oxygen

b)

light, carbon dioxide, and water

c)

roots, flowers, and bees

d)

camera and a tripod

11.

Which part of the plant transports nutrients from the leaves to the rest of the plant?

a)

Stoma

b)

Phloem

c)

Chloroplast

d)

Chlorophyll

12.

The vascular tissue of the plant that transports water is the...

a)

roots

b)

stems

c)

xylem

d)

phloem

13.
Which structures open and close stomata to allow gas exchange but prevent water loss in leaves?
a)
Epidermis
b)
Vascular tissue
c)
Guard cells
d)
Spongy mesophyll
14.
Which structure helps prevent water loss and protects the leaf?
a)
Palisades mesophyll
b)
Spongy mesophyll
c)
Vascular tissue
d)
Cuticle
15.

What is the name of the elongated, packed cells (part G) directly under the upper epidermis?

a)

Palisade cells

b)

Guard cell

c)

Spongy layer

d)

Lower epidermis

16.
This diagram is a model of which of these?
a)
food web
b)
food pyramid
c)
food chain
d)
life cycle
17.
Which of these is an example of a producer?
a)
snake
b)
worm
c)
human
d)
grass
18.
What is a decomposer?
a)
Organism that makes its own energy
b)
Organism that breaks down dead organisms
c)
Organism that eats other organisms for food & energy
19.
What is an herbivore?
a)
An organism that only eats plants for energy
b)
An organism that eats animals for energy
c)
An organism that eats both plants and animals for energy.
20.
What is an omnivore?
a)
An organism that only eats plants for energy
b)
An organism that eats animals for energy
c)
An organism that eats both plants and animals for energy.
21.
The ___% rule states that only ____% of energy is transferred to the next trophic level.
a)
10%
b)
25%
c)
50%
d)
100%
22.
Panda: Producer, consumer or decomposer?
a)
Producer
b)
Consumer
c)
Decomposer
23.
Horses eat grass, so they are a ______.
a)
Herbivore
b)
Carnivore
c)
Omnivore
24.

Where does all energy in food web originate from?

a)

Earth's Core

b)

Water

c)

Plants

d)

The Sun

25.

What is the process by which water diffuses across a selectively permeable membrane?

a)

active  transport

b)

osmosis

c)

simple diffusion

d)

facilitated diffusion

26.

How long does diffusion last?

a)

Until the concentration of particles in the system is equal

b)

(Select this answer and I swear i'll make it harder for you in the assessment task)

c)

Until a region in the system has a greater concentration of particles than the other

d)

Until the particles disappear from the system

27.

What does a 'region with high concentration' mean?

a)

An area with a SMALL number of particles

b)

An area with a LARGE number of particles

c)

An area with an UNEVEN number of particles

d)

An area with no particles

28.

Things enter and exit the cell membrane in two ways.


Which way do you think requires energy?

a)

active transport

b)

passive transport