Biology Class 12 Viva Questions. We covered all the Biology Class 12 Viva Questions in this post for free so that you can practice well for the exam.
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Biology Class 12 Viva Objective Questions for Students
How many pairs of nerves arise from the human spinal cord?
(a) 13
(b) 31
(c) 33
(d) 12
Option b – 31
Schwann cells form a myelin sheath around the
(a) Dendrite
(b) Cell body
(c) Nucleus
(d) Axon
Option d – Axon
The gaps between two adjacent myelin sheaths are called
(a) Synapse
(b) Synaptic gap
(c) Nodes of Ranvier
(d) Sheath gap
Option c – Nodes of Ranvier
Which of the following are the properties of neurons?
(a) Conductivity and elasticity
(b) Excitability and elasticity
(c) Flexibility and excitability
(d) Excitability and conductivity
Option d – Excitability and conductivity
Which of the following elements is needed in the human body to transfer electrical signals by nerve cells?
(a) Lithium
(b) Sodium
(c) Rubidium
(d) Caesium
Option b – Sodium
The brain is responsible for
(a) Thinking
(b) Regulating the heartbeat
(c) Balancing the body
(d) All of the above
Option d – All of the above
We covered all the biology class 12 viva questions above in this post for free so that you can practice well for the exam.
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