HARD
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The following diagram indicates the reflex arc. Identify the parts labelled as A, B, C, D, E, F and G. Choose the correct option.

The following diagram indicates the reflex arc. Identify the

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Important Questions on Neural Control and Coordination

EASY

Choose the correct answer from the four options given below:

Which of the following is not a natural reflex action?

MEDIUM
Destruction of the anterior horn cells of the spinal cord would result in loss of:
MEDIUM
Explain the mechanism of reflex action.
MEDIUM
The path of passage of stimulus when you accidentally touch a hotplate is
HARD

Redraw, complete and label the diagram given below which relates to the reflex arc.

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MEDIUM

Given below are sets of five terms each. Rewrite the terms in correct order in a logical sequence beginning with the first word that is underlined:

Stimulus, Response, Receptor, Effector, Spinal cord

MEDIUM

The diagram given alongside shows the internal structure of a spinal cord depicting phenomena. Study the diagram and answer the questions:

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Name the phenomenon that is depicted in the diagram. Define the phenomenon.

HARD
A man is walking for a mile. A thorn pricks his leg so suddenly he bows down. At that time he gets sudden sparking pain at his back. This is due to sudden change in the position of back body muscles. Explain it.
EASY
What is meant by 'reflex action'? Mention any two examples of reflex action occurring in day-to-day life.
EASY

The diagram shows the structure of the human brain. Study carefully and then answer the question that follows:

What does the arrow indicate? What is the pathway indicated termed?

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MEDIUM
The following diagram indicates the reflex arc. Identify the parts labeled as A, B, C, D, E ,F and G and choose the correct option.

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EASY

The diagram shows the structure of the human brain. Study carefully and then answer the question that follows:

What type of nerve is shown in the diagram?

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EASY

The following diagram shows the internal structure of the spinal cord, depicting a simple reflex. Study the same and then answer the questions that follow:

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What is meant by simple reflex ? Give 2 examples of a simple reflex.

EASY
Which of the following is not a simple reflex :
 
MEDIUM
In vertebrates, a simple reflex action is
EASY
The diagram represent a reflex action.

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Which of the following labelled structure is not always present in a reflex arc?