CSS Zoology Questions & Answers - Set 24

1)   Ciliated epithelium lining the neurocoel is called:

a. Epindymal epithelium
b. Neurosensory epithelium
c. Stratified epithelium
d. None of these
Answer  Explanation 

ANSWER: Epindymal epithelium

Explanation:
No explanation is available for this question!


2)   Brain and spinal cord in frog are covered with which of the following meniges:

a. Piamater
b. Duramater
c. Both of these
d. None of these
Answer  Explanation 

ANSWER: Both of these

Explanation:
No explanation is available for this question!


3)   Epidural space is present between:

a. Piamater and duramater
b. Duramater and the sheath of overlying bone
c. Pia mater and brain
d. None of these
Answer  Explanation 

ANSWER: Duramater and the sheath of overlying bone

Explanation:
No explanation is available for this question!


4)   Epidural space contains:

a. Alveolar tissue only
b. Fat
c. Veins
d. All of these
Answer  Explanation 

ANSWER: All of these

Explanation:
No explanation is available for this question!


5)   Oxygen and nutrition to brain and spinal cord are provided by cerebrospinal fluid but CO2 and wastes from it are drained by:

a. Piamater
b. Subdural veins
c. Ependymal epithelium
d. None of these
Answer  Explanation 

ANSWER: Subdural veins

Explanation:
No explanation is available for this question!


6)   Space inside the olfactory lobes is called:

a. Rhinocoel
b. Diocoel
c. Paracoel
d. Metacoel
Answer  Explanation 

ANSWER: Rhinocoel

Explanation:
No explanation is available for this question!


7)   Ventricles present in cerebral hemispheres are called:

a. Paracoel
b. Metacoel
c. Both of these
d. None of these
Answer  Explanation 

ANSWER: Paracoel

Explanation:
No explanation is available for this question!


8)   Communication between two paracoels is called:

a. Iter
b. Foramen of Monro
c. Crura cerebri
d. None of these
Answer  Explanation 

ANSWER: Foramen of Monro

Explanation:
No explanation is available for this question!


9)   Integrative systems in our body are:

a. Nervous system
b. Endocrine system
c. Nervous and endocrine systems
d. Cardio-vascular system
Answer  Explanation 

ANSWER: Nervous and endocrine systems

Explanation:
No explanation is available for this question!


10)   Which one of the following statements is correct:

a. All arteries carry purified blood
b. All motor nerve fibres leave spinal cord via ventral root
c. Urine of all vertebrates is similar
d. RBCs of all vertebrates are nucleated
Answer  Explanation 

ANSWER: All motor nerve fibres leave spinal cord via ventral root

Explanation:
No explanation is available for this question!


11)   Which one of these processes is found only in animals:

a. Nervous control
b. Hormonal control
c. Respiration
d. Diffusion
Answer  Explanation 

ANSWER: Nervous control

Explanation:
No explanation is available for this question!


12)   Cavity within the spinal cord is called:

a. Neurocoel
b. Blastocoel
c. Enterocoel
d. Schizocoel
Answer  Explanation 

ANSWER: Neurocoel

Explanation:
No explanation is available for this question!


13)   Third ventricle is found in:

a. Brain of rabbit
b. Heart of rabbit
c. Kidney of frog
d. Heart of frog
Answer  Explanation 

ANSWER: Brain of rabbit

Explanation:
No explanation is available for this question!


14)   Foramen of Monro is an aperture between;

a. Lateral and third ventricles
b. Third and fourth ventricles
c. Fourth and optic ventricles
d. Brain and spinal cord
Answer  Explanation 

ANSWER: Lateral and third ventricles

Explanation:
No explanation is available for this question!


15)   Lateral ventricles are found in:

a. Heart
b. Brain
c. Kidney
d. None of these
Answer  Explanation 

ANSWER: Brain

Explanation:
No explanation is available for this question!


16)   Part of brain not present in frog but present in rabbit is:

a. Corpus stratum
b. Corpus callosum
c. Corpus luteum
d. None of these
Answer  Explanation 

ANSWER: Corpus callosum

Explanation:
No explanation is available for this question!


17)   Function of nervous tissue is:

a. Sensitivity
b. Irritability
c. Responsiveness
d. Contraction
Answer  Explanation 

ANSWER: Irritability

Explanation:
No explanation is available for this question!


18)   Outermost covering of brain is:

a. Choroid
b. Arachnoid
c. Duramater
d. All of these
Answer  Explanation 

ANSWER: Duramater

Explanation:
No explanation is available for this question!


19)   Cerebral hemispheres are centres of:

a. Thining
b. Will power
c. Reasoning
d. All of these
Answer  Explanation 

ANSWER: All of these

Explanation:
No explanation is available for this question!


20)   If cerebral hemispheres of frog are removed, it will:

a. Stop feeding
b. Lose body balance
c. Not show knee-jerk reflex
d. Show none of these
Answer  Explanation 

ANSWER: Stop feeding

Explanation:
No explanation is available for this question!


21)   Brain of rabbit differs with that of frog in having:

a. Large olfactory lobes
b. Small cerebellum
c. Reduced hypothalamus
d. Corpus callosum
Answer  Explanation 

ANSWER: Corpus callosum

Explanation:
No explanation is available for this question!


22)   Roof of each paracoel is called:

a. Pallium
b. Diencephalon
c. Anterior commissure
d. None of these
Answer  Explanation 

ANSWER: Pallium

Explanation:
No explanation is available for this question!


23)   Anterior commissure in frog's brain connects:

a. Olfactory lobes
b. Corpora strata
c. Cerebral hemispheres and optic lobes
d. None of these
Answer  Explanation 

ANSWER: Corpora strata

Explanation:
No explanation is available for this question!


24)   Dorsal wall of diocoel is called epithalamus and is made up of ependymal epithelium forming:

a. Corpus callosum
b. Anterior choroids plexus
c. Arborviae
d. None of these
Answer  Explanation 

ANSWER: Corpus callosum

Explanation:
No explanation is available for this question!


25)   Hypothalamus is formed by:

a. Ventral wall of diencephalon
b. Roof of diencephalon
c. Sides of diocoel
d. None of these
Answer  Explanation 

ANSWER: Ventral wall of diencephalon

Explanation:
No explanation is available for this question!


26)   Dorsal and posterior commissures connect:

a. Two thalami together
b. Two cerebral hemispheres
c. Two olfactory lobes
d. None of these
Answer  Explanation 

ANSWER: Two thalami together

Explanation:
No explanation is available for this question!


27)   Rathke's pouch forming pituitary gland is formed by:

a. Epithelial outgrowth from buccal cavity
b. Outgrowth from brain
c. Outgrowth from cerebrum
d. None of these
Answer  Explanation 

ANSWER: Epithelial outgrowth from buccal cavity

Explanation:
No explanation is available for this question!


28)   Ventral and ventrolateral walls of mid brain are thickened due to the presence of two peduncles called:

a. Crura cerebri
b. Anterior commissure
c. Hebnular commissure
d. None of these
Answer  Explanation 

ANSWER: Crura cerebri

Explanation:
No explanation is available for this question!


29)   Crura cerebri connect:

a. Fore brain with mid brain
b. Mid brain with hind brain
c. Fore brain with hind brain
d. Hind brain with spinal cord
Answer  Explanation 

ANSWER: Fore brain with hind brain

Explanation:
No explanation is available for this question!


30)   4th ventricle is present in:

a. Optic lobes
b. Diencephalon
c. Medulla oblongata
d. None of these
Answer  Explanation 

ANSWER: Medulla oblongata

Explanation:
No explanation is available for this question!


31)   Posterior choroids plexus are formed by dorsal wall of:

a. Cerebellum
b. Medulla
c. Spirtal cord
d. None of these
Answer  Explanation 

ANSWER: Medulla

Explanation:
No explanation is available for this question!


32)   Number of meninges in rabbit is:

a. One
b. Two
c. Three
d. Four
Answer  Explanation 

ANSWER: Three

Explanation:
No explanation is available for this question!


33)   Which of the following meninges present in rabbit is not found in frog:

a. Duramater
b. Piamater
c. Arachnoid
d. None of these
Answer  Explanation 

ANSWER: Arachnoid

Explanation:
No explanation is available for this question!


34)   Subarachnoid space separates:

a. Piamater and arachnoid
b. Duramater and arachnoid
c. Duramater with arachnoid
d. None of these
Answer  Explanation 

ANSWER: Piamater and arachnoid

Explanation:
No explanation is available for this question!


35)   Subdural space is present in:

a. Frog only
b. Rabbit only
c. Both of these
d. None of these
Answer  Explanation 

ANSWER: Frog only

Explanation:
No explanation is available for this question!


36)   One of the deadly disease caused by inflammation of covering layers over the brain is called:

a. Meningitis
b. Encephalitis
c. Rhinitis
d. None of these
Answer  Explanation 

ANSWER: Meningitis

Explanation:
No explanation is available for this question!


37)   Cerbral hemispheres in rabbit by anterior and inner hippocampal lobes with the help of:

a. Sylvian fissure
b. Hippocampal fissure
c. Both of these
d. None of these
Answer  Explanation 

ANSWER: Hippocampal fissure

Explanation:
No explanation is available for this question!


38)   Neopallium is:

a. Dorsal thick wall of cerebrum
b. Ventral wall of cerebrum
c. Lateral wall of cerebrum
d. None of these
Answer  Explanation 

ANSWER: Dorsal thick wall of cerebrum

Explanation:
No explanation is available for this question!


39)   Fomix in rabbit's brain connects:

a. Hippocampal lobe with hypothalamus
b. Both hippocampi together
c. Both corpora striata together
d. Corpora striata with hippocampi
Answer  Explanation 

ANSWER: Hippocampal lobe with hypothalamus

Explanation:
No explanation is available for this question!


40)   Lyra in rabbit's brain connects:

a. Two hippocampi together
b. Two corpora striata together
c. Two optic nerves together
d. None of these
Answer  Explanation 

ANSWER: Two hippocampi together

Explanation:
No explanation is available for this question!


41)   Corpus albicans just behind the stalk of pituitary glands in rabbit is formed by:

a. Wall of diencephalon
b. Wall of hypothalamus
c. Wall of optic lobes
d. None of these
Answer  Explanation 

ANSWER: Wall of diencephalon

Explanation:
No explanation is available for this question!


42)   Lateral walls of thalami in rabbit bulge into diocoel forming:

a. Massa intermedia
b. Fornix
c. Lyra
d. None of these
Answer  Explanation 

ANSWER: Massa intermedia

Explanation:
No explanation is available for this question!


43)   Fibrous, transverse commissure extending across the roof of diencephalons and connecting two optic thalami in the brain of rabbit is called:

a. Sylvian fissure
b. Lyra
c. Habenular commissure
d. Massa intermedia
Answer  Explanation 

ANSWER: Habenular commissure

Explanation:
No explanation is available for this question!


44)   Vermis in the brain of rabbit is the part of:

a. Cerebrum
b. Cebellum
c. Optic lobes
d. None of these
Answer  Explanation 

ANSWER: Cebellum

Explanation:
No explanation is available for this question!


45)   Meta-encephalon's anterior part has broad, transverse band of white fibres in rabbit's brain which is called:

a. Arborvitae
b. Crura cerebri
c. Pons varolii
d. None of these
Answer  Explanation 

ANSWER: Pons varolii

Explanation:
No explanation is available for this question!


46)   Pons varolii connect:

a. Lateral parts of cerebellar henispheres
b. Lateral parts of cerebral hemispheres
c. Ventral part of cerebral hemispheres
d. Ventral part of cerebellar hemispheres
Answer  Explanation 

ANSWER: Lateral parts of cerebellar henispheres

Explanation:
No explanation is available for this question!


47)   Lateral appendage of each cerebellar hemisphere in rabbit is called:

a. Vermis
b. Fornix
c. Flocculus
d. None of these
Answer  Explanation 

ANSWER: Flocculus

Explanation:
No explanation is available for this question!


48)   Seat of highest mental faculties like consciousness, intelligence and articulate speech in the brain is:

a. Cerebrum
b. Cerebellum
c. Medulla
d. None of these
Answer  Explanation 

ANSWER: Cerebrum

Explanation:
No explanation is available for this question!


49)   Sulci and gyri are present in which of the following parts of rabbit's brain:

a. Cerebral hemispheres
b. Cerebellar hemispheres
c. Both of these
d. None of these
Answer  Explanation 

ANSWER: Both of these

Explanation:
No explanation is available for this question!


50)   Control centres for hunger, thirst, sleep, sweating, fatigue temperature, sex, emotions etc, are present in the:

a. Cerebrum
b. Hypothalamus
c. Both of these
d. None of these
Answer  Explanation 

ANSWER: Hypothalamus

Explanation:
No explanation is available for this question!


51)   Carbohydrate, protein and fat metabolisms are controlled by:

a. Cerebrum
b. Hypothalamus
c. Both of these
d. None of these
Answer  Explanation 

ANSWER: Hypothalamus

Explanation:
No explanation is available for this question!


52)   Crura cerebri serve to:

a. Transmit motor impulses to limb muscles from cerebrum
b. Transmit sensory impulses from cerebrum to limb muscles
c. Bring photic stimuli
d. Act as relay centres for sensory and motor impulses passing between cerebrum and other parts of brain:
Answer  Explanation 

ANSWER: Transmit motor impulses to limb muscles from cerebrum

Explanation:
No explanation is available for this question!


53)   Butterfly shaped gray matter is found in the:

a. Spinal cord of rabbit
b. Spinal cord of frog
c. Both of these
d. None of these
Answer  Explanation 

ANSWER: Spinal cord of rabbit

Explanation:
No explanation is available for this question!


54)   Reflex responses are controlled by:

a. Brain
b. Spinal cord
c. Both of these
d. None of these
Answer  Explanation 

ANSWER: Spinal cord

Explanation:
No explanation is available for this question!


55)   Nervous band connecting cerebral hemispheres in rabbit is corpus:

a. Callosum
b. Albicans
c. Striatum
d. Spongiosum
Answer  Explanation 

ANSWER: Callosum

Explanation:
No explanation is available for this question!


56)   Number of cranial nerves in frog are 10 pairs but in rabbit it is:

a. Same
b. 11 pairs
c. 12 pairs
d. 9 pairs
Answer  Explanation 

ANSWER: 12 pairs

Explanation:
No explanation is available for this question!


57)   Second cranial nerve is called:

a. Optic
b. Terminal
c. Auditory
d. Vagus
Answer  Explanation 

ANSWER: Optic

Explanation:
No explanation is available for this question!


58)   Aqueduct of Sylvius is found in:

a. Heart
b. Eyes
c. Brain
d. Ears
Answer  Explanation 

ANSWER: Brain

Explanation:
No explanation is available for this question!


59)   Ninth cranial nerve is called:

a. Trigeminal
b. Facial
c. Occulomotor
d. Glossopharyngeal
Answer  Explanation 

ANSWER: Glossopharyngeal

Explanation:
No explanation is available for this question!


60)   Which one of the following is purely motor nerve:

a. Olfactory
b. Abducens
c. Facial
d. Vagus
Answer  Explanation 

ANSWER: Abducens

Explanation:
No explanation is available for this question!