EASY
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Olfactory receptors present in triggers signals to brain.(nasal cavity, mouth)

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Important Questions on Control and Co-ordination in Living Beings

MEDIUM

Give one term for the following:

Receptors responsible for taste.

EASY

Name the following:

Receptors that detect taste.

HARD

i) David and Debbie were riding a bike without helmets and met with an accident.
Observe the diagram of the human brain and identify the part of the brain marked A, B or C affected in the following cases.

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a) Debbie had an instant death.
b) David lost all his memory and ability to think.

EASY

Select the most correct alternative from those given below each statement and write the completed statement:

The thinking part of the brain is the _____.

MEDIUM

Write a and b in the given flow chart of neuron through which information travels as an electrical impulse.

Question Image

EASY

Give one term for the following:

The gap between two neurons.

MEDIUM
What happens at the synapse between two neurons?
MEDIUM
What is the function of receptors in our body? What problems can originate when receptors do not work?
MEDIUM
Why is chemical communication better than electrical impulses as a means of communication between cells in a multi-cellular organism?
MEDIUM
How do nerve impulses travel in the body ? Explain.
HARD
Which of the following is not the part of hind brain?
MEDIUM
Mention the exact location of the following:
(iii) Malleus
HARD
What is the peripheral nervous system? Write its various parts.
MEDIUM
The thinking process of animals is not fast enough. How do animals manage to react to a stimulus?
HARD
What is the function of the medulla and cerebellum in the human brain?
MEDIUM
What is the principal coordinating centre of our body?
MEDIUM
Write any three differences between Reflex Action and Reflex Arc.
HARD
Ram met with an accident. After that he lost the capacity to walk in straight manner and cannot smell anything. Which part of the brain got damaged in the above cases?
MEDIUM

Name one gustatory receptor and one olfactory receptor present in human beings.

MEDIUM

Mention the exact location of the following

Incus.