7.5a/b Test Quiz

Carbon dioxide enters the leaves of plants and is used by the plant during photosynthesis to make —

• nitrogen

• hydrogen

• glucose

• water

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What role do decomposers have in contributing to the survival of other organisms in their environments? Decomposers —

• use sunlight to make food for other organisms.

• release nutrients that plants use into the soil.

• exhale oxygen through the process of respiration.

• give off water vapor into the air during transpiration.

Tags

NGSS.MS-LS2-3

Which of the following organisms is responsible for the decomposition of organic matter in a forest?

• Insects

• Bacteria

• Bushes

• Rabbits

Tags

NGSS.MS-LS2-3

In photosynthesis, plants convert what type of energy into what other type of energy?

• Light energy into mechanical energy

• Radiant energy into chemical energy

• Chemical energy into heat energy

• Mechanical energy into light energy

Tags

NGSS.MS-LS1-6

The diagram provided illustrates the process of photosynthesis, including the substances used by and produced by plants. What is the identity of the chemical represented by the question mark in the diagram?

• Hydrogen

• Carbon

• Glucose

• Nitrogen

Tags

NGSS.MS-LS1-6

Which of the following provides the energy needed for photosynthesis?

• Water

• Sunlight

• Plants

• Atoms

Tags

NGSS.MS-LS1-6

.The best substance to replace letter X in the diagram is –

• oxygen

• water

• carbon dioxide

• soil

Tags

NGSS.MS-LS1-6

Which of these  materials helps plants use energy from sunlight?

• roots

• soil

• glucose

• chlorophyll

Tags

NGSS.MS-LS1-6

Sunlight is absorbed by the leaves. What two substances are also taken in by the plant for photosynthesis to occur?

• water and oxygen

• nitrogen and carbon

• water and carbon dioxide

• carbon and oxygen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Based on your knowledge of how the sun's energy flows through food chains, and

food webs, which organism(s) in this food web would be a producer?

• X

• Y

• Z

• Both X and Z

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3