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BIOLOGY Bio test Neural control, Chemical Coordination, Locomotion.

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Bio test Neural control, Chemical Coordination, Locomotion. diagrammatic questions MCQS with answers FANTASTIC PRACTICE SHEET WOWW

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DATE- 09/12/2019
®
Aakash
Medi cal l llT-JEE I Foundations
(Di,,;.,om of Aak.,.11 Educationa! Se<v'ct-o l ld.}

Regd. Offic e: Aakash Tower, Tower No.- 8,,
New Delhi-110075
Neur al Control and Coor dinat ion, Chem
ical Coordination and Integration (Regulatio
n), locomotion.
1. Cons ider the follow ing state ment s and
choose
the corre ct optio n vesicles
(a) The neur al orga nisa tion in Hydr 3. A neur on with one axon and one dend
a is rite is
composed of a network of neurons. found in
(b) In insects the neural system is organ (1) Retina (2) 0 I f a c t o r y
ised as
a brain along with a numb er of ganglion epithelium
and
neural tissue.
(3) Embryonic stage (4) Both (1) & (2)
(1) State ment (a) is correct and (b) is
incorrect 4. In a resting neuron, the axonal membrane
(2) State ment (a) is incorrect and (b) is
correct (1) Is more oerm eabl e to Na• and
(3) Both statements (a) and (b) are corre near ly
ct impermeable to K•.
(4) Both statements (a) and (b) are incor
rect (2) Is impe rmea b!e to nega tivel y
char ged
2. In the given diagram cf neuron, there are proteins present _in axoplasm.
certain
labelled parts A, B, C and D. Find the
incorrect (3) Has high concentration of Na• in axop
match w.r.t labelled part, its identification lasm
and one along with low concentration of K•.
of its function/feature .
(4) Both (1) & (3)
5. How man y of the follo wing state men
ts are
A correct for chemical synapse?
(a) Pre- and post -syn aptic neur ons
are
separated by fluid filled synaptic cleft.
(b) Bidire ctional movement of impulse.
(c) Presence of neurotransmitter vesic
B les in the
axon terrni:1als.
(d) The mem bran es of pre-synap t ic and
post-
synaptic neuron s are in close proximity.
(1) One (2) Two
C
(3) Three (4) Four
6. In the given diagram of sagittal section of
hum an
D brain, find the corre ctly labelled part
(1) A - Ni ssl's Granules - Present in cyton
and
· dendrites
(2 ) B - Schwann cell - Form s C
m y elin
sheath in CNS .
(3) C - Node of Ranvier- G a p be t w
ee n two
adja ce nt my el in
sheath
(4) D - Syn aptic knob - C o n t n i n
n e uro t r a n smi tt e r

, (1) A ➔ Midbrain (2) B ➔ Pons
(3) c ➔ Cerebellum (4) D ➔ Medulla
.
Which of the follow ing crania l menin x has
7.
spider's web like structure?
( ) Duramater (2) Arachnoid mater
1
(3) Piamater (4) Both (1) & (3)

8. Find the correct match
(1) Cerebral aqued uct- Controls visual reflexes
(2) Hypothalamus (1) p (2) Q
- Lies at the base of pons
(3) Cerebral cortex (3) R (4) S
- Whitish in appearance
(4) Association areas - Perfor m 14. ~hich of the follow ing_ p~rt of human eye is
compl ex incorrectly matched with its identification and
functions like intersensory
feature/function?
associations, memory and
communication
9. Corpora quadrigemina comprises of
B
(1) Tracts which connect forebrain with hindbrain
(2) Two superior colliculi and two inferior colliculi
(3) Ventral portion of midbrain D
(4) More than one option is correct
10. Which of the following part of limbic system
controls the moods, especially anger, rage and (1) A - Fovea - Point of greatest
plays an important role in emotional behaviour,
visual acuity
such as aggression and remembering fear?
(2) B - Aqueous chamb er - Space between
(1) Amygdala (2) Hippocampus
cornea and lens
(3) Hypothalamus (4) Septa! nuclei
(3) C - Blind spot - Cones absent ;
11. How many of the follow ing statem ents are
only rods present
correct?
(a) The cerebrum wraps around thalamus
(4) D - Optic nerve - Transmit impuises
(b) Centre for appetite and thermoregulation are to visual cortex of
present in hypothalamus the brain
(c) Corpus callosum is a characteristic feature of 15. All of the following statements are correct w.r.t
mammalian brain cornea in human eye except
{d) Midbrain and hindhrain forms the brain stem (1) Major refraction of light takes place at tile
(1) One (2) Two cornea
(3) Three (4) Four (2) It is highly vascular
12. Medulla oblongata has all of the following centres (3) It absorbs oxyg en from atmosphere
except
( 4) It can be easily transplanted
(1) Respiratory rhythm centre
16. Consid er the follow :ng events that tak.e placa
(2) Pneurnotaxic centre during v ision and find the correc t sequence w.r.t.
(3) Cardiovascular centre mechanism of vision
(4) Centre controlling gastric secret ions a. Poten tial differe nce gener ated in
13. ~hich labelle d struct ure in the g iven photorecepto r cell.
diagrammatic representation of reflex action is b. Light induce s dissoc iation of retinal from
absent in monosynaptic refl ex arc? opsin.

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