Related Questions

What does the central nervous system consists of?
ক Brain
খ Spinal cord
গ Nerves
ঘ All the above
The peripheral nervous system consists of
ক Nerves from eyes to CNS
খ Nerves from ears to CNS
গ Nerves from skin to CNS
ঘ All of the above
Choose the correct sentence quotation part : It is a special feature of cell aggregation in the developing nervous system that in most regions of the brain the cells not only adhere "to one another and also adopt" some preferential orientation.
ক to one another and also adopt
খ one to the other, but also adopting
গ to one another but also adopt
ঘ to each other, also adopting
The supporting cells of nervous system is called .
ক Ganglia
খ Purkinjec cell
গ Neuron
ঘ Neuroglia
Octopuses have not only large size __ also well developed nervous system.
ক but
খ and
গ are
ঘ and have
One should eat food rich in B vitamins ………… brown rice to help the nervous system function properly.
ক which are
খ instead of
গ such as
ঘ or
আজ পরীক্ষা দিতে আসার সময় তোমার কোনো এক বন্ধুর খুব টেনশন হচ্ছিল। টেনশনে তার হাত-পা ঘামছিল, গলা শুকিয়ে যাচ্ছিল, হৃৎস্পন্দন বেড়ে যাচ্ছিল। এমতাবস্থায়, তার কোন স্নায়ুতন্ত্র কার্যকর ছিল? (One of your friends was in serious tension while coming for exam today. He was sweating, having dry mouth, and his heart beat was accelerated. Which nervous system was in action at that time?)
ক ঐচ্ছিক (Somatic)
খ কেন্দ্রীয় (Central)
গ সমবেদী (Sympathetic)
ঘ পরাসমবেদী (Parasympathetic)
In the autonomic nervous system
ক All preganglionic neurons are located in the central nervous system
খ A preganglionic neuron is always cholinergic.
গ The preganglionic fibres always end in the sympathetic chain.
ঘ All postganglionic neurons are located in the peripheral nervous system.
ঙ The white rami communicantes are formed by postganglionic fibers.
About autonomic nervous system
ক Postganglionic neurons are largely unmyelinated
খ All preganglionic neurons are cholinergic
গ Preganglionic neurons of the sympathetic system are shorter than the para sympathetic system
ঘ Parasympathetic outflow is only found in the cranial nerves
ঙ Sympathetic preganglionic neurons leave spinal cord via dorsal roots of spinal nerves T1-L3
Stimulation of the sympathetic part of the autonomic nervous system is responsible for
ক Constriction of the pylorus
খ Secretion of the sweat glands
গ Contraction of the smooth muscles of the male genital tract
ঘ Emptying of the urinary bladder
ঙ Contraction of the bronchial smooth muscles

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