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Did you know more people die from falling coconuts then from shark attacks.

In any situation, the best thing you can do is the right thing; the next best thing you can do is the wrong thing; the worst thing you can do is nothing– Theodore Roosevelt

Class X >> Science >> Control and Coordination >> A1

Q1	Which characteristic describes chemical communication between cells in a multicellular organism?
A	It Can Potentially Reach All Cells of the Body Regardless of Nervous Connections.
B	It is Very Fast
C	Does Not Occur
D	Occurs Only in Those Cells Which are Supplied by Nerves

Q2	Which among the following activity is NOT considered as a reflex action?
A	Sneezing
B	Yawning
C	Walking
D	Coughing

Q3	Relay neurons are found in which part of the nervous system?
A	Central Nervous System
B	Peripheral Nervous System
C	Autonomous Nervous System
D	All of the Above

Q4	The main thinking part of the brain is __________.
A	Midbrain
B	Forebrain
C	Hindbrain
D	Medulla

Q5	Nervous tissue is specialised in conducting information via __________.
A	Electrical Signals Only from One Part of the Body to Another
B	Chemical Signals Only from One Part of the Body to Another
C	Mechanical Signals Only from One Part of the Body to Another
D	Electrochemical Signals from One Part of the Body to Another

Q6	Chemical coordination is seen in __________ and __________.
A	Plants
B	Animals
C	Non Living Things
D	Both A and B

Q7	Neurotransmitters are present in __________.
A	Synaptic Vesicles
B	Dendrites
C	Schwann Cells
D	Nodes of Ranvier

Q8	Which of the following is NOT an involuntary action?
A	Change in the Size of the Pupil and Heartbeat.
B	Blood Circulation
C	Eating
D	Digestion and Breathing

Q9	Which of the following is NOT a component of a neuron?
A	Cyton
B	Synapse
C	Dendrites
D	Axon

Q10	Olfactory receptors detect which among the following?
A	Touch
B	Vision
C	Smell
D	Taste

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