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Unit 4, Lesson 1

Last updated about 1 year ago

10 questions

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Question 1

1.

What is the primary function of photosynthesis in autotrophs?

Releases oxygen into the air

Absorbs carbon dioxide

Uses soil nutrients for energy

Turns light energy into chemical energy

Question 2

2.

Why does matter continuously cycle in an ecosystem?

Due to the changes in climate

Because it is conserved and reused in different forms

Because of the migration of species

As a result of human activities

Question 3

3.

What is the result of the chemical reactions that rearrange food molecules in organisms?

An increase in the odor of the organism

Uncontrolled growth in the size of the organism

Production of harmful substances in the organism

New molecules that support growth and release energy

Question 4

4.

Which is a reactant of photosynthesis?

carbon dioxide

oxygen

glucose

sunlight

Question 5

5.

Which is a product of photosynthesis?

carbon dioxide

water

glucose

sunlight

Question 6

6.

In the process of photosynthesis, what happens to the water molecules?

they are created as a product

they remain unchanged

they are split into hydrogen and oxygen

they evaporate completely

Question 7

7.

Which organelle of a cell is responsible for photosynthesis in plant cells?

mitochondria

nucleus

vacuole

chloroplast

Question 8

8.

What is the source of energy in photosynthesis?

wind

water

heat

sunlight

Question 9

9.

How do plants use the glucose they produce?

they release it all into the soil

they convert it all to oxygen

they store it for later use

they immediately break it down

Question 10

10.

How does chlorophyll help the functioning of chloroplasts?

captures light energy

source of water intake

source of air intake

it is unnecessary