Response to Stimuli in Animals – Worksheet MCQs

What is a stimulus?

• A behavior an animal shows

• A change in the environment that causes a reaction

• The effect of a response

• A type of response

What is a response?

• The cause of a stimulus

• A change in the environment

• How an organism reacts to a stimulus

• A type of stimulus

Which of the following is an external stimulus?

• Hunger

• Thirst

• Light

• Fatigue

Which of the following is an internal stimulus?

• Temperature

• Touch

• Thirst

• Sound

What type of response involves muscles?

• Glandular response

• Muscular response

• Chemical response

• Reflex response

What type of response involves glands?

• Reflex response

• Kinesis

• Glandular response

• Taxis

Animals sometimes respond instinctively to specific and complex stimuli called:

• Free stimuli

• Symbol stimuli

• Sign stimuli

• Random stimuli

Kinesis is:

• Movement toward a stimulus

• Non-directional change in activity in response to a stimulus

• Movement away from a stimulus

• Turning movement as a response

In kinesis, if the stimulus intensity is high, what typically happens?

• The organism moves slower

• The organism moves faster

• The organism stops moving

• The organism moves toward the stimulus

What is thigmotaxis?

• Movement in response to chemical stimuli

• Movement in response to light

• Behavioral response to tactile stimuli (touch)

• Random movement