Homework Practice

Printable assignment

Reflex Action: Fast Responses That Protect You

Section A: Reflex Arc

Question 1mcq

Which statement best explains: Define reflex action?

A.It describes a process that occurs only in non-living objects.

B.It explains only external body movement, not internal cellular work.

C.Explain quick automatic response to stimulus.

D.It is mainly a chemical test for acids and bases.

Question 2mcq

A student is revising Reflex and Voluntary Actions. Which idea is most accurate for 'Define reflex action'?

A.Explain quick automatic response to stimulus.

B.It is mainly a chemical test for acids and bases.

C.It is a process that happens only in plants and never in animals.

D.It refers only to reproduction and not to maintenance.

Question 3mcq

Which answer would best correct a misconception about define reflex action?

A.It is mainly a chemical test for acids and bases.

B.It means the organism no longer needs energy.

C.Explain quick automatic response to stimulus.

D.It describes a process that occurs only in non-living objects.

Question 4mcq

Correct reflex arc sequence is:

A.Heart

\rightarrow

kidney

\rightarrow

lung

B.Stomata

\rightarrow

xylem

\rightarrow

phloem

C.Receptor

\rightarrow

sensory neuron

\rightarrow

spinal cord

\rightarrow

motor neuron

\rightarrow

effector

D.Effector

\rightarrow

receptor

\rightarrow

brain only

Question 5mcq

In a reflex arc, the sensory neuron carries impulse:

A.From leaf to root

B.From muscle to skin only

C.From kidney to bladder

D.From receptor to spinal cord

Question 6mcq

Why can reflex action be faster than a voluntary action?

A.It requires photosynthesis

B.It uses only hormones

C.It can be processed through the spinal cord before conscious thinking

D.It does not use neurons

Section B: Voluntary and Involuntary Actions

Question 7mcq

Which statement best explains: Differentiate voluntary and involuntary actions?

A.It is a process that happens only in plants and never in animals.

B.It refers only to reproduction and not to maintenance.

C.It describes a process that occurs only in non-living objects.

D.Compare conscious control, speed and examples.

Question 8mcq

A student is revising Reflex and Voluntary Actions. Which idea is most accurate for 'Differentiate voluntary and involuntary actions'?

A.It describes a process that occurs only in non-living objects.

B.It explains only external body movement, not internal cellular work.

C.Compare conscious control, speed and examples.

D.It refers only to reproduction and not to maintenance.

Question 9mcq

Which answer would best correct a misconception about differentiate voluntary and involuntary actions?

A.It means the organism no longer needs energy.

B.It is a process that happens only in plants and never in animals.

C.It is mainly a chemical test for acids and bases.

D.Compare conscious control, speed and examples.

Question 10mcq

Which statement best explains: Explain importance of reflexes?

A.It means the organism no longer needs energy.

B.Relate reflex action to protection and survival.

C.It is mainly a chemical test for acids and bases.

D.It refers only to reproduction and not to maintenance.

Question 11mcq

A student is revising Reflex and Voluntary Actions. Which idea is most accurate for 'Explain importance of reflexes'?

A.It describes a process that occurs only in non-living objects.

B.It refers only to reproduction and not to maintenance.

C.It is mainly a chemical test for acids and bases.

D.Relate reflex action to protection and survival.

Question 12mcq

Which answer would best correct a misconception about explain importance of reflexes?

A.Relate reflex action to protection and survival.

B.It explains only external body movement, not internal cellular work.

C.It is a process that happens only in plants and never in animals.

D.It is mainly a chemical test for acids and bases.