Date : ECT (NA) QB /XIII-XIV J-03 Science(Bio)
CONTROL & CO-ORDINATION
Name the fundamental unit of nervous system.
What are the main parts of nervous system in higher invertebrates? Q.3
What are photoreceptors?
What are olfactoreceptors?
What are phonoreceptors?
Name the other system besides nervous system in the body of higher animals. Q.7
What is a neuron?
What are receptors?
Mention the receptors for light and sound in animals.
What is the general scheme of travelling nervous impulses in the body? Express the events briefly by line diagram only.
Look at figure given below and identify the parts of a neuron.
i) Where information is acquired.
ii) Through which information travels as an electrical impulse.
iii) Where this impulse must be converted into a chemical signal for onward transmission. Q.12
i) Put some sugar in your mouth. How does it taste?
ii) Block your nose by pressing it between your thumb and index finger. Now eat sugar again.
Is there any difference in its taste? iii) While eating lunch, block your nose in the same way [as in point (ii)] and notice if you can fully appreciate the taste of the food you are eating. Q.13
Name the systems in human body which help in control and coordination. Q.14
What are the various types of nervous system
Name the structural and functional unit of nervous system. Q.16
Name the components of neuron.
What are the three types of neurons found in human body? Q.18
What are the junction point of two neuron called?
What is a reflex action?
Which part of the brain controls the heart beat, blood vessels and breathing? Q.21
Which part of the brain is the centre of intelligence?
Name the structure of sensory neuron that first receives sensation of stimulus say pain. Q.23
In which form message is transported by the sensory neurons? Name the structure through which these signals are transported.
What are nerve impulses?
In what form information is passed through neurons?
What are the functions of the dendrites and the axon?
What is cerebrospinal fluid?
What are synapses?
What is the basic unit of the nervous system? Name its types. Explain how it works. Q.30
What is the structure of neuron?
Illustrate the pathway of a reflex action (sneezing). Details not required . Q.32
What is a reflex action?
What are the three major regions of human brain? What are their functions? Q.34
Why do most of the animals show instinctive behavior rather than intelligent behavior? Q.35
What are the overall functions of the human brain?
Trace the path of reflex action with the help of a diagram. Q.37
What are thinking tissue? Where are they located? What is the main function of these tissue? Q.38
Draw a labeled illustrative diagram of reflex are involved in reflex action when we touch a hot plate.
Draw a labeled diagram of a section of human brain.
Describe the central nervous system in human beings.
What is a ganglion?
Mention the function of the fore brain.
Write the functions of any one part of hind brain.
What is the autonomic nervous system?
Nervous and hormonal system together perform the function of control and coordination in human
beings. Justify the statement.
List the specified main functions of fore-brain, mid-brain and hind-brain. Q.47
i) Compare voluntary and involuntary actions. OR ii) Differentiate between reflex actions and
What do you mean by the term coordination?
How many types of coordination?
How does control and coordination take place in plants? Q.51
What are the plant growth regulators?
Write names of four plant growth regulators?
Which parts of the plant body produce growth regulators? Q.54
Name one hormone which regulates fall of...
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