Unit 2: Cell Structure and Function, Part 1 Test

Front

What is the function of the ocular lens (eyepiece) in a microscope?

Back

The ocular lens allows you to look through and observe the enlarged image of the objective.

Front

What is a stimulus?

Back

A stimulus is something in the environment that causes an organism to respond.

Front

What part of the microscope is used to hold the slides?

Back

The stage is the part of the microscope that holds the slides.

Front

What is a response in biological terms?

Back

A response is the reaction of an organism to a stimulus.

Front

Which of the following is NOT a characteristic of life?

Back

Breathing is NOT a characteristic of life.

Front

What is the role of the condenser in a microscope?

Back

The condenser focuses light onto the specimen.

Front

Define 'characteristic of life'.

Back

Characteristics of life are the traits that define living organisms, such as growth, reproduction, and response to stimuli.

Front

What is the purpose of the objective lens in a microscope?

Back

The objective lens magnifies the specimen for closer observation.

Front

What does it mean to adjust to stimuli?

Back

Adjusting to stimuli means changing behavior or physiology in response to environmental changes.

Front

What is the difference between a stimulus and a response?

Back

A stimulus is an external factor that provokes a reaction, while a response is the organism's reaction to that stimulus.