Which of the following would cause an increase in the rate of photosynthesis occurring in a plant?

An increase in the amount of available light

An increase in the amount of available glucose

An increase in the amount of available oxygen

A decrease in the amount of available carbon monoxide

Which of the following best summarizes photosynthesis?

A process by which plants produce sugar using the energy of sunlight

A chemical reaction involving nitrogen and other atmospheric gases

An adaptation of plants that allows them to add nutrients to the soil

An exchange of gases between animals and the air or water of their habitat

Students are observing an aquatic plant. They understand that the bubbles they see rising from the cut stem of the plant are the gases produced during photosynthesis. Which of the following observations provides the best evidence that light is the source of energy for photosynthesis?

The frequency of bubbling increases in bright light and slows to a stop in darkness.

Plants observed in artificial or in natural light were both seen to produce bubbles.

The orientation of the light seems to have no effect on the production of bubbles.

The bubbles always rise to the surface of the water, moving towards the light.

The concentration of carbon dioxide in parts per million (ppm) was measured for a closed container in several situations. Which of the following data collected would demonstrate the action of photosynthesis?

When the container included a plant exposed to light, carbon dioxide concentration went from 800 to 600 ppm.

When multiple plants were put in the container, carbon dioxide concentration never got above 1,000 ppm.

When carbon dioxide concentration went from 800 to 1,000 ppm the temperature in the container went up.

Plants in the container kept in darkness did not lower the concentration of carbon dioxide below 800 ppm.

When the container included a plant exposed to light, carbon dioxide concentration went from 800 to 600 ppm. (See attached table) How could the students use one of these solutions to gather evidence for the action of photosynthesis?

Use Fehling’s solution on plant leaves exposed to light and on plant leaves covered in aluminum foil for a week

Use Fehling’s solution with the roots of several different species of plants, after boiling them for several minutes

Pump the air from a closed container containing a plant through a sample of lime water

Grind up all parts of a plant, expose them to heat, collect the gas, and use lime water to test it

7.4 - 1 Introduction to Photosynthesis

Authored by Andrea Edwards

Science

7th Grade

NGSS covered

Used 85+ times

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which form of energy is used to power photosynthesis?

Thermal energy

Radiant energy

Chemical energy

Nuclear energy

Tags

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Energy that comes from the Sun

Chloroplast

Radiant energy

Chlorophyll

Phytoplankton

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Chlorophyll

Microscopic organisms that live in aquatic environments and perform photosynthesis

A chemical reaction during which plants use radiant energy from the Sun to convert carbon dioxide and water into sugar (glucose)

Energy that comes from the Sun

The green pigment in plants responsible for absorbing light

Tags

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are the products of photosynthesis?

Nitrogen, oxygen, and water

Carbon dioxide and glucose

Oxygen and carbon dioxide

Oxygen and glucose

Tags

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Microscopic organisms that live in aquatic environments and perform photosynthesis

Phytoplankton

Radiant energy

Chlorophyll

Photosynthesis

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A chemical reaction during which plants use radiant energy from the Sun to convert carbon dioxide and water into sugar (glucose)

Radiant energy

Chlorophyll

Phytoplankton

Photosynthesis

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An organelle in a plant cell that contains chlorophyll

Photosynthesis

Chlorophyll

Chloroplast

Radiant energy

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-2

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7.4 - 1 Introduction to Photosynthesis

Which form of energy is used to power photosynthesis?

Energy that comes from the Sun

Chlorophyll

What are the products of photosynthesis?

Microscopic organisms that live in aquatic environments and perform photosynthesis

A chemical reaction during which plants use radiant energy from the Sun to convert carbon dioxide and water into sugar (glucose)

An organelle in a plant cell that contains chlorophyll

Which of the following would cause an increase in the rate of photosynthesis occurring in a plant?

The reactants of photosynthesis are sunlight, water, and –

The process of photosynthesis captures solar energy, converts it to chemical energy, and stores it as –

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