EASY
10th CBSE
IMPORTANT
Earn 100

Explain 'reflex action' with a suitable example.

Important Questions on Control and Coordination

EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2A>Q 7
Name the two main organs of our central nervous system. Which one of them plays a major role in sending command to muscles to act without involving thinking process? Name the phenomenon involved.
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2A>Q 1
What exactly is spinal cord and how is it protected?
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2A>Q 2
Represent the reflex arc with the help of a flow chart.
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2A>Q 3
Why is the flow of signals in a synapse from axonal end of a neuron to dendritic end of another neuron but not the reverse?
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2A>Q 4
Label the parts a, b, c and d and show the direction of flow of electrical signals in figure.
Question Image
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2A>Q 5

Define nerve impulse. Which structure in a neuron helps to conduct a nerve impulse
(i) towards the cell body           

(ii) away from the cell body

MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2A>Q 6
What is the difference between sensory and motor neurons? Which parts of the human brain are responsible for auditory reception and sensation of smell?
MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 2 - Control and Coordination>EXERCISE - 2A>Q 7
Draw a diagram of human brain and label the following parts
(i) Cerebrum (ii) Meninges (iii) Medulla oblongata (iv) Cerebellum.