Neural Control and Coordination Test

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Neural Control and Coordination Test - 79

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Weekly Quiz Competition

Question 1
1 / -0

Which is a bridge between nervous system and endocrine system?

A
Thalamus

B
Hypothalamus

C
Limbic system

D
Parietal lobe
Solution
- Hypothalamus is the portion of the brain that maintains the body’s internal balance (homeostasis).
- It is involved in many functions of neural systems such as stimulate or inhibit many of your body's key processes, including Heart rate and blood pressure.
- The hypothalamus produces releasing and inhibiting hormones, which stop and start the production of other hormones throughout the body. E.g. growth hormone-releasing hormone (GHRH), somatostatin, gonadotropin-releasing hormone and thyrotrophin-releasing hormone.
- It controls both the system at the same time.
- E.g. When the body's blood volume decreases, the osmoreceptors present in the hypothalamus detects it and sends the neural signal to the pituitary gland, which inturns release ADH that enables the increase in the reabsorption of the water from the urine. Simultaneously, it gives a neural signal to the brain, so that the person feels thirsty.
- Thus, the hypothalamus is the link between the endocrine and nervous systems.
Question 2
1 / -0

Which type of neurons are mainly found in cerebral cortex

A
Unipolar neuron

B
Multipolar neuron

C
Bipolar neuron

D
None of them

Solution

Multipolar neurons constitute the majority of neurons in the central nervous system. They include motor neurons and interneurons/relaying neurons are most commonly found in the cortex of the brain and the spinal cord. Peripherally, multipolar neurons are found in autonomic ganglia.
Hence, the correct answer is (B)
Question 3
1 / -0

Choose the correct labelling

A
1 - cerebrum, 2 - temporal lobe, 3 - medulla, 4 - cerebellum

B
1 - temporal lobe, 2 - medulla, 3 - cerebellum, 4 - cerebrum

C
1- medulla, 2 - cerebellum, 3 - cerebrum, 4 - temporal lobe

D
1 - cerebellum, 2 - cerebrum, 3 - temporal lobe, 4 medulla
Question 4
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Pick the correct statements about the main functions of cerebrum in humans a)Control contraction of voluntary muscles through frontal lobe
b)Control sensitivity, movement, memory, vocabulary through frontal lobe c)Control temperature, taste, touch, pain, etc. through parietal lobe
d)Control vision and adaptation through occipital and frontal lobes

A
a, c, d

B
a, b, d

C
a, b, c

D
b, c, d

Solution

The voluntary movements are commanded by the motor cortex, the zone of the cerebrum located behind the frontal lobe. The motor cortex sends a neural message that moves through the brain stem along the spinal cord and into the neural network to the muscle being commanded. The middle part of the brain, the parietal lobe helps a person to identify objects and understand spatial relationships (where one's body is compared to objects around the person). The parietal lobe is also involved in interpreting pain and touch in the body. The parietal lobe processes information about temperature, taste, touch and movement, while the occipital lobe is primarily responsible for vision. The temporal lobe processes memories, integrating them with sensations of taste, sound, sight and touch.
Hence the correct answer is (A)
Question 5
1 / -0

Read the statements about human neural system and find the wrong one.

A
CNS includes the brain and spinal cord.

B
PNS is divided into somatic and autonomic neural systems.

C
Somatic neural system is classified into sympathetic and parasympathetic systems.

D
Autonomic neural system transmits impulses from CNS to involuntary organs and smooth muscles.

E
Somatic neural system relays impulses from CNS to skeletal muscles.

Solution

The autonomic nervous system is classifies into sympathetic and parasympathetic systems. And somatic neural system is a part of the peripheral nervous system associated with the voluntary control of body movements via skeletal muscles.
So, option C is the correct option.
Question 6
1 / -0

The following are endothermic mammals. Amongst them there is a pair where the broad transverse band of nervous tissue connecting the two cerebral hemisphere is either poorly developed or absent
1. Didelphis (Opossum)
2. Delphinus (Dolphin)
3. Tachyglossus (Echidna)
4. Pteropus (Fruit Bat)

A
1 and 2

B
2 and 4

C
1 and 3

D
3 and 4
Question 7
1 / -0

Which function is lost due to damage of occipital lobe ?

A
Vision

B
Hearing

C
Speech

D
Memory
Question 8
1 / -0

Choose the correct answers from the alternatives given.
The major insect body parts are:

A
head, cephalothorax, and abdomen

B
cephalothorax, midsection, and abdomen

C
head, thorax, and abdomen

D
head, prothorax, and metathorax

Solution

Insects have the main visible parts on the head are the large compound eyes, the antenna (feelers), and the mouthparts. The thorax is the middle region of the body, and it bears the legs and wings There are three sections of the thorax: the prothorax, the mesothorax, and the metathorax. and the third part is the Abdomen.
So, the correct option is, 'Head, thorax and abdomen'.
Question 9
1 / -0

Match the following. Identify the correct match between Set-I and Set-II.
Set-I Set-II
A) Caloreceptors I) Cold receptors
B) Proprioceptors II) Body surface receptors
C) Frigidoreceptors III) Heat receptors
D) Exteroceptors IV) Receptors found in muscles

A
A- I, B- II, C- III, D- IV

B
A- III, B- IV, C- I, D- II

C
A- IV, B- III, C- II, D- I

D
A- III, B- IV, C- II, D- I

Solution

There are various receptors present in the human body like caloreceptors, proprioreceptors, frigidoreceptors, exteroceptors, rheoreceptors, baroreceptors, etc. Caloreceptors are heat receptors. Frigidoreceptors are cold receptors. Proprioceptors are muscle position receptor. These are receptors found in muscles. Exteroceptors are found on body surface.
Thus, the correct answer is option B.
Question 10
1 / -0

The direction of light striking the retina will be-

A
Photosensory cells $$\rightarrow$$ bipolar neurons $$\rightarrow$$ ganglionic cells $$\rightarrow$$sensory nerves

B
Sensory nerves $$\rightarrow$$ bipolar neurons $$\rightarrow$$ ganglionic cells $$\rightarrow$$ Photosensory cells

C
Sensory nerves $$\rightarrow$$ ganglionic cells $$\rightarrow$$ bipolar neurons $$\rightarrow$$ photosensory cells

D
Photosensory cells $$\rightarrow$$ ganglionic cells $$\rightarrow$$ bipolar neurons $$\rightarrow$$ sensory nerves

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Re-Attempt Weekly Quiz Competition

Set-I	Set-II
A) Caloreceptors	I) Cold receptors
B) Proprioceptors	II) Body surface receptors
C) Frigidoreceptors	III) Heat receptors
D) Exteroceptors	IV) Receptors found in muscles

Neural Control and Coordination Test - 79

Result

Neural Control and Coordination Test - 79

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SHARING IS CARING

Question 1

Thalamus

Hypothalamus

Limbic system

Parietal lobe

Solution

Question 2

Unipolar neuron

Multipolar neuron

Bipolar neuron

None of them

Solution

Question 3

1 - cerebrum, 2 - temporal lobe, 3 - medulla, 4 - cerebellum

1 - temporal lobe, 2 - medulla, 3 - cerebellum, 4 - cerebrum

1- medulla, 2 - cerebellum, 3 - cerebrum, 4 - temporal lobe

1 - cerebellum, 2 - cerebrum, 3 - temporal lobe, 4 medulla

Question 4

a, c, d

a, b, d

a, b, c

b, c, d

Solution

Question 5

CNS includes the brain and spinal cord.

PNS is divided into somatic and autonomic neural systems.

Somatic neural system is classified into sympathetic and parasympathetic systems.

Autonomic neural system transmits impulses from CNS to involuntary organs and smooth muscles.

Somatic neural system relays impulses from CNS to skeletal muscles.

Solution

Question 6

1 and 2

2 and 4

1 and 3

3 and 4

Question 7

Vision

Hearing

Speech

Memory

Question 8

head, cephalothorax, and abdomen

cephalothorax, midsection, and abdomen

head, thorax, and abdomen

head, prothorax, and metathorax

Solution

Question 9

A- I, B- II, C- III, D- IV

A- III, B- IV, C- I, D- II

A- IV, B- III, C- II, D- I

A- III, B- IV, C- II, D- I

Solution

Question 10

Photosensory cells $$\rightarrow$$ bipolar neurons $$\rightarrow$$ ganglionic cells $$\rightarrow$$sensory nerves

Sensory nerves $$\rightarrow$$ bipolar neurons $$\rightarrow$$ ganglionic cells $$\rightarrow$$ Photosensory cells

Sensory nerves $$\rightarrow$$ ganglionic cells $$\rightarrow$$ bipolar neurons $$\rightarrow$$ photosensory cells

Photosensory cells $$\rightarrow$$ ganglionic cells $$\rightarrow$$ bipolar neurons $$\rightarrow$$ sensory nerves

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