Questions

[1 Mark Question Answer]

🎯

Test yourself on this topic

25 questions · timed · auto-graded

Question 51 Mark
Rearrange the following in correct sequence pertaining to what is given within bracket at the end.
diencephalon ………. Cerebellum …….. medulla oblongata ………. Pons ….. Cerebrum ……. mid-brain (sequence of parts of human brain).
Answer
Cerebrum --- diencephalon --- mid-brain --- cerebellum --- pons --- medulla oblongata
View full question & answer
Question 61 Mark
Rearrange the following in correct sequence pertaining to what is given within bracket at the end.
axon endings ……… nucleus …….. Dendrites ……… axon…….. perikaryon ………. Dendron……. (Neutron structure)
Answer
Dendrites --- Dendron --- perikaryon --- nucleus --- axon --- axon endings
View full question & answer
Question 71 Mark
Rearrange the following in correct sequence pertaining to what is given within bracket at the end.
repolarization……. Depolarization…….. Resting….. (polarised) (during conduction of nerve impulse through a nerve fibre)
Answer
Resting --- depolarization --- repolarization
View full question & answer
Question 81 Mark
Rearrange the following in correct sequence pertaining to what is given within bracket at the end.
Effector …….. sensory neuron ………. Receptor…….. motor neuron………. Stimulus……. central nervous system………. Response (Reflex arc)
Answer
Stimulus --- receptor --- sensory neuron --- central nervous system --- motor neuron --- effector --- response
View full question & answer
Question 91 Mark
Explain the following term :
Association neuron
Answer
It is located in the brain and the spinal cord. It acts as a connecting neuron and interconnects the sensory and motor neurons.
View full question & answer
Question 101 Mark
The main function of Cerebrospinal fluid
Answer
Cerebrospinal fluid –Cerebrospinal fluid offers some protection to the brain and spinal cord by acting as a cushion to absorb shocks. It also supplies nourishment to the brain tissue.
View full question & answer
Question 111 Mark
Write the function of cerebellum.
Answer
Cerebellum: It maintains balance of the body and coordinates muscular activity.
View full question & answer
Question 121 Mark
Write the function of Medulla obiongata.
Answer
Medulla Oblongata: It controls activities of internal organs such as peristalsis, breathing and many other involuntary actions.
View full question & answer
Question 131 Mark
Write the function of medullary sheath.
Answer
Medullary sheath: It provides insulation and prevents mixing of impulses in the adjacent axons.
View full question & answer
Question 141 Mark
Write the function of Association neuron.
Answer
Association Neuron: It interconnects sensory and motor neurons.
View full question & answer
Question 151 Mark
Write the function of synapse.
Answer
Synapse: It is a gap between the axon terminal of one neuron and the dendrites of the adjacent neuron. It transmits nerve impulse from one neuron to another neuron.
View full question & answer
Question 161 Mark
Given below is a structure, write its special functional activity.
Myelin sheath and ……………
Answer
Myelin sheath acts like an insulation and prevents mixing of impulses in the adjacent axons.
View full question & answer
Question 171 Mark
Given below is a structure, write its special functional activity.
Cerebellum and ____________.
Answer
Cerebellum maintains balance of the body and coordinates muscular activity.
View full question & answer
Question 181 Mark
Mention where in human bosy is corpus callosum located and state their main function:
Answer
Corpus Callosum - It is located in the forebrain. It connects two cerebral hemispheres and transfers information from one hemisphere to other.
View full question & answer
Question 191 Mark
State whether the following is simple reflex, conditioned reflex or neither of the two:
sudden application of brakes of the cycle on sighting an obstacle in front …………….
Answer
Conditioned
View full question & answer
Question 201 Mark
State whether the following is simple reflex, conditioned reflex or neither of the two:
Knitting without looking: …………………..
Answer
Conditioned
View full question & answer
Question 211 Mark
State whether the following is simple reflex, conditioned reflex or neither of the two:
Lifting up a book: …………………..
Answer
Conditioned
View full question & answer
Question 221 Mark
State whether the following is simple reflex, conditioned reflex or neither of the two:
Contraction of eye pupil: …………………..
Answer
Simple
View full question & answer
Question 231 Mark
State whether the following is simple reflex, conditioned reflex or neither of the two:
Blushing: ……………….
Answer
Simple
View full question & answer
Question 241 Mark
State whether the following is simple reflex, conditioned reflex or neither of the two:
Sneezing: …………….
Answer
Simple
View full question & answer
Question 251 Mark
What is meant by reflex action?
Answer
Reflex action is an autonomic, quick and involuntary action in the body brought about by a stimulus.
View full question & answer
[1 Mark Question Answer] - Biology STD 10 Questions - Vidyadip