UNIT#05 COORDINATION AND CONTROL / NERVOUS AND CHEMICAL COORDINATION

Question 1

Information received by different receptors of body is analyzed by:

Answer 1

Central Nervous System

Question 2

Ectoderm mainly gives rise to:

Answer 2

Nervous System

Question 3

A motor nerve carries impusles from:

Answer 3

CNS to effectors

Question 4

Which of the following produces response?

Answer 4

Effectors

Question 5

Pressure is felt by your body immediately after it is applied. This is achieved with the help of:

Answer 5

Mechanoreceptors

Question 6

The stimulus of touch, pain, and cold heat is recognized differently because:

Answer 6

Different receptors are present for the detection of stimuli

Question 7

Pick out the pressure receptors:

Answer 7

Mechanoreceptors

Question 8

Taste buds on the tongue are an example of:

Answer 8

Chemoreceptors

Question 9

Which of the following is associated with a sense of touch?

Answer 9

➡Mechanoreceptors
➡Merkel Disks

Question 10

Non-neuronal cells encapsulating mainly axons of peripheral neurons are:

Answer 10

Schwann’s Cell

Question 11

Myelinated, single and long fiber that takes message towards the cell body is:

Answer 11

Dendron

Question 12

The largest number of the cell bodies of neurons are found in:

Answer 12

Brain

Question 13

Which of the following is not correct about myelin sheath?

Answer 13

Conduct Impulses

Question 14

Myelin Sheath:

Answer 14

Speeds up conduction

Question 15

Which one of the following is also known as efferent neurons?

Answer 15

Motor

Question 16

Regeneration is possible in all parts of neurons except:

Answer 16

➡Dendron❌
➡Axon❌
➡Dendrites❌
➡Cell Body✅

Question 17

It is not true about the cell body of neurons:

Answer 17

➡Main nutritional part❌
➡It contains axoplasm✅
➡Biosynthesis of materials❌
➡Regenerate axonal and dendrite fibers❌

Question 18

Which organelle cannot be found in a synaptic knob of a neuron?

Answer 18

➡Mitochondira❌
➡Secretory Vesicles❌
➡Ribosomes❌
➡Nucleus✅

Question 19

Which of the following is the most abundant type of neuron in CNS?

Answer 19

Associative Neurons
(Interneuron, Relay Neuron)

Question 20

Which one of the following gives a tree-like appearance to neurons?

Answer 20

Dendrites

Question 21

Which of the following is not a part of a neuron?

Answer 21

Synapse

Question 22

______ is considered a chief structural and functional unit of the nervous system.

Answer 22

Neuron

Question 23

Which one of the following is common to all neurons?

Answer 23

A cell body which contains a nucleus

Question 24

Neurons are cells adapted for the rapid transmission of electrical impulses. To do this, they have long thin processes called:

Answer 24

Axons