Coordination and response (part 1) Biology KSSM F4 Chapter 12

Coordination and response

by ROSLINDA Moe

Multiple Choice

The term stimulus refers to ...

• changes in an environment that stimulates a response.

• the extent of changes in the surrounding.

• a change in the environment.

• a change in the pH of the water.

Multiple Choice

Which of the following are the external stimuli?

• Sugar level

• Light intensity

• Osmotic pressure of blood

• Cholesterol level

Multiple Choice

Responses are carried out by part of body (muscle & glands).

• Stimulus

• Effectors

• Receptor

Multiple Choice

Which of the following are effectors?

• Brain and muscle

• Muscle and spinal cord

• Sweat gland and biceps muscle

• Brain and spinal cord

Multiple Choice

Arrange the pathway involved in detecting and responding to changes in the external environment..

• Stimulus-integrating centre-response-receptor-effector

• Stimulus-receptor-effector-integrating centre-response

• Stimulus-receptor-integrating centre-effector-response

• Stimulus-response-effector-receptor-integrating centre

Multiple Choice

Name the type of receptors that can respond to changes in blood pressure.

• Osmoreceptor

• Thermoreceptor

• Chemoreceptor

• Baroreceptor

Multiple Choice

What is the name of sensory receptor that can detect pain for human body?

• Baroreceptor

• Nociceptor

• Mechanoreceptor

• Chemoreceptor

Multiple Choice

Which sensory organ has the mechanoreceptor as a sensory receptor?

• Eyes

• Skin

• Nose

Multiple Choice

You feel a mosquito bite on your leg and you hit it. Which of the following is not involved in the detecting, integrating and responding to the stimulus of the mosquito bite?

• Brain

• Mechanoreceptor

• Gland

• Hand muscle

Multiple Choice

Which of the following is not showing the necessity of coordination and response?

• For survival of the species.

• To maintain a constant internal environment

• To change the external temperature

Multiple Choice

Which of the following are the integrating centre?

• Brain and muscle

• Muscle and spinal cord

• Sweat gland and biceps muscle

• Brain and spinal cord

Multiple Choice

Diagram shows a cross-section of the human brain. Which part controls the rate of heartbeat?

• A

• B

• C

• D

Multiple Choice

Diagram shows the vertical section of a human brain. Which of the following is the effect if structure M is damaged?

• The person cannot control his heartbeat

• The person cannot maintain his balance

• The person is not able to speak

• The person will lose his memory

Multiple Choice

The information below describes the functions of a part of the human brain. The description refers to…

• cerebrum

• cerebellum

• medulla oblongata

• hypothalamus

Multiple Choice

What is the function of the axon of a sensory neurone?

• To release neurotransmitter in the synaptic cleft

• To carry impulse away from the cell body

• To speed up the conduction of impulse

• To carry impulse towards the cell body

Multiple Choice

Diagram shows three types of nerve cells, P, Q and R. Which of the following is the correct sequence of impulses transfer from receptor to effector?

• P --> Q --> R

• P --> R --> Q

• R --> P --> Q

• R --> Q --> P

Multiple Choice

Diagram shows the synapse between two adjacent neurons. The transmission of impulse across the synapse is due to the ...

• breaking up of the terminal membrane of neuron X

• secretion of neurotransmitter by neuron X

• diffusion of the synaptic fluid through the neuron

• presence of sodium and calcium ions in the synaptic cleft

Multiple Choice

Diagram shows the transmission of impulses across a synapse. What is substance W?

• Ethylene

• Gibberellin

• Adrenaline

• Acetylcholine

Multiple Select

Which is voluntary action?

Multiple Select

Which is involuntary action?

Open Ended

Write one difference between voluntary action and involuntary action.

Multiple Choice

Name the involuntary action involving the skeletal muscle in the image.

• Three-neurone reflex arc

• Two-neurone reflex arc

Multiple Choice

Diagram shows reflex arc. What is S?

• Ventral root

• Grey matter

• Dorsal root

• Ganglion

Multiple Choice

Diagram shows the pathway of an impulse in a reflex arc. Which statement is true about the diagram?

• J receives an impulse direct from N

• N contract causes the finger to react

• L transmits the impulse from M to K

• There is a receptor at the end of M

Multiple Choice

Diagram shows the structures involved in reflex action. Which of the following shows the correct sequence for the above action?

• P --> Q --> R --> S

• P --> S --> R --> Q

• Q --> R --> S --> P

• Q --> S --> P --> R

Multiple Choice

Diagram shows a cross section of the human spinal cord. Which part labelled W,X,Y or Z contain cell bodies of neurones?

• W and X

• X and Y

• Y and Z

• W and Z

Multiple Choice

"A progressive disease as a result of an abnormality in the immune system that attacks the myelin sheath in the brain and spinal cord."

What is the disease mentioned above?

• Alzheimer

• Parkinson's disease

• Multiple sclerosis

• Amyotrophic lateral sclerosis

Multiple Choice

Disease caused by deterioration and death of motor neurone.

• Multiple sclerosis

• Autism

• Lou Gehrig

• Attention-Deficit Hyperactivity Disorder (ADHD)

Multiple Choice

 A drug that speeds up the nervous system is...

• sedative drugs

• narcotic drugs

• stimulant drugs

• hallucinogenic drugs

Multiple Select

A drug that slows down the nervous system is...

• a depressant

• a halluncinogen

• narcotic drugs

• a stimulant

Multiple Select

What are drugs used to relieve pain?

• stimulants

• hallucinogens 

• sedative (depressants)

Multiple Choice

Which is NOT an effect of alcohol?

• Distrupts coordination.

• It speeds up body response.

• Delays the transfer of nerve impulse.

• It slows thinking process.

Multiple Choice

Which of the following is a long-term effect of alcohol?

• dehydration

• liver cirrhosis

• emphysema

​Liver cirrhosis

BYE!