Free Printable photosynthesis

Worksheets

photosynthesis

Total questions: 18

Worksheet time: 12mins

Name

Class

Date

What are the products of photosynthesis?

water and carbon dioxide

oxygen and glucose

oxygen and carbon dioxide

oxygen and water

What molecule absorbs sunlight for photosynthesis?

chloroplast

thylakoid

grana

chlorophyll

Use the diagram to answer the question. Between which parts of the molecule must the bonds be broken to form an ADP molecule?

A and B

A and C

B and C

C and D

What is the name of the simple sugar that is produced in photosynthesis?

Sucrose

Dextrose

Glucose

Lactose

____________________ provides the energy necessary for photosynthesis.

water

sunlight

glucose

soil

Glucose is a ...

sugar

carbohydrate

source of quick energy

all are correct

The formula for glucose is...

C₁₂ H₂₂ O₁₁

NaCl

NaOH

C₆ H₁₂ O₆

This is ...

mitochondria

chloroplast

cell

phloem

The reactant of photosynthesis are...

sunlight and chlorophyll

glucose and oxygen

carbon dioxide and water

sunlight and water

10.

What gas is released by plants during photosynthesis?

sulfur

carbon dioxide

oxygen

hydrogen

11.

Which of these conditions would decrease the rate of photosynthesis in a plant?

Above average precipitation

Changing the daylight hours from 14 hrs to 10 hrs

Changing the CO₂ concentration from 380 ppm to 410 ppm

All of these choices

12.

Which organisms perform Photosynthesis?

Only Autotrophs

Only Heterotrophs

Autotrophs and Heterotrophs

13.

Which of the following is an example of an AUTOTROPH?

Appletree

Dog

Mushroom

Human

14.

Which of the following are TRUE statements? (Select ALL that apply)

Photosynthesis takes place in the chloroplasts of leaf cells

Photosynthesis means "making food using sun"

Photosynthesis can occur in the dark

All plants, plant-like protists, and some bacteria go through photosynthesis

15.

The ____________ is the most photosynthetic part of a plant.

leaf

flower

roots

stem

16.

Why do plant breeders place bags of fungi inside greenhouses?

the fungi will improve soil quality

the fungi will increase the concentration of oxygen in the greenhouse

the fungi will increase the concentration of carbon dioxide inside the greenhouse.

17.

A student is measuring photosynthesis in pond weed. In one experiment she counted 85 bubbles of oxygen produced. In the second experiment, she only counted 10. Which of the following could best explain the difference.

in the second experiment, she moved the plant farther from the light source

in the second experiment, she moved the plant towards the light source

human error

18.

which of the following is not a limiting factor of photosynthesis?

light intensity

temperature

oxygen concentration

carbon dioxide levels

100 %

photosynthesis

Total questions: 18

Worksheet time: 12mins

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