Somatic Nervous System

Q. Give two examples of reflex actions in our daily life.

Q.

Functioning of visceral organs is controlled by

1. cerebellum

2. medulla oblongata

3. spinal cord

4. cerebrum

Q.

Write the difference between a reflex action and walking.

Q.

Question 1
What is the difference between a reflex action and walking?

Q.

The ___________ receives, processes, interprets and stores information coming from senses. The __________ handles its input and output.

1. ANS, CNS

2. SNS, PNS

3. PNS, CNS

4. CNS, PNS

Q.

The somatic nervous system includes the sensory nervous system and the ___.

Q. The cerebral hemispheres in mammals are connected by
(a) corpus luteum
(b) hypothalamus
(c) pons varolli
(d) corpus callosum

Q.

Question 23
Which of the following is not an involuntary action?

(a) Vomiting
(b) Salivation
(c) Heart beat
(d) Chewing

Q. The somatic nervous system is responsible for the movement of ___ muscles.

1. voluntary
2. involuntary
3. smooth muscles
4. cardiac

Q. What is meant by 'reflex action'? Mention any two examples of reflex action occurring in day-to-day life.

Q. Distinguish between the following pairs of words:

(i) Nerve cell and neuroglia cell
(ii) Nervous system and hormonal system
(iii) Cranial nerve and spinal nerve
(iv) Cerebrum and cerebellum
(v) Adrenalin and acetylcholine
(vi) Motor and sensory nerve
(vii) Grey matter and white matter
(viii) Myopia and hypermetropia

Q. In mammals the corpus callosum connects
(a) the two optic lobes
(b) the two cerebral hemispheres
(c) the cerebrum to the cerebellum
(d) the pons to the medulla oblongata

Q. Label the parts of the brain.​

Q. The somatic system includes the sensory nervous system and the ___

Q.

The somatic nervous system is a part of CNS.

1. False

2. True

Q.

The somatic nervous system is responsible for the movement of ___ muscles.

Q. In the head and neck, cranial nerves carry somatosensory data. State true or false.

1. True
2. False

Q.

Identify the tropic movement in the picture below.

1. Chemotropic movement

2. Thigmotropic movement

3. Phototropic movement

4. Geotropic movement

Q.

Encirlce the words describing voluntary movements.

food digestion clapping hands sneezing running heart beat speaking kicking salaivation

potu clapping hands, running, speaking and kicking is voluntary is salaivation a voluntary movement

Q. The somatic nervous system is also known as ___.

1. voluntary nervous system

Q. The somatic system includes the sensory nervous system and the ___

Q. What is Ganglia(Ganglion)?
What is its function?
Where is it present?

Q. Observe the diagram of the human brain and identify the areas mentioned:
i) The area responsible for consciousness, intelligence, memory, imagination and reasoning.
ii) The area responsible for regulation and co-ordination of group movements of voluntary muscles.
iii) The area responsible for sleeping and respiration.
iv) The area responsible for reflexes involved in the regulation of heart beat, blood vessel contraction, breathing etc.

Q. What is the difference between a voluntary and an involuntary action? Which kind of action is digestion? Explain your choice.

Q.

Explain the difference between a voluntary and an involuntary action? Which kind of action is digestion? Explain your choice.

Q. In the head and neck, cranial nerves carry somatosensory data. State true or false.

1. True
2. False