Test-MCQ Class 10-NCERT -Science-Chapter 7-Test-1

Chapter 7: Control and Coordination

Multiple Choice Questions

No of Questions : 10                    Marks: 10


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1. What is the correct direction of flow of electrical impulses ?

 
 
 
 

2. Three directions in which nerve impulses can travel in the nervous system are listed below:

  1. Away from the central nervous system
  2. Towards the central nervous system
  3. Within the central nervous system

In which direction do impulses in sensory and relay (intermediate) neurons travel?

 

Sensory Neuron

Relay Neuron

(a)

(i)

(ii)

(b)

(i)

(iii)

(c)

(ii)

(i)

(d)

(ii)

(iii)

 
 
 
 

3. In a nerve pathway, the following events take place in a coordinated order.

(i) Activation of muscle

(ii) Activation of receptor

(iii) Passage of impulses along a motor neuron

(iv) Passage of impulses along a sensory neuron

Read the events given and identify the correct order of these events from the table given below:

First

—–>

Last

(a)

(ii)

(iii)

(iv)

(i)

(b)

(ii)

(iv)

(iii)

(i)

(c)

(iv)

(i)

(iii)

(ii)

(d)

(iv)

(ii)

(i)

(iii)

 
 
 
 

4. The diagram shows a section of the brain and different parts labelled as W,X, Y and Z.

Study the figure and correlate the regions which control balance, heart rate and temperature in human body?

 

Balance

Heart Rate

Temperature

(a)

W

Z

X

(b)

X

Y

Z

(c)

Y

X

W

(d)

Z

W

Y

 
 
 
 

5. Which of the following endocrine glands is unpaired?

 
 
 
 

6. Dramatic changes of body features associated with puberty are mainly because of secretion of

 
 
 
 

7. Which of the following statements is correct about receptors?

 
 
 
 

8. Electrical impulse travels in a neuron from

 
 
 
 

9. In a synapse, chemical signal is transmitted from

 
 
 
 

10. In a neuron, conversion of electrical signal to a chemical signal occurs at/in

 
 
 
 

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