General account and comparative anatomy
MULTIPLE CHOICE QUESTIONS
Chapter 21. Urinogenital System
1. Vertebrates carry never more than
a. one pair of kidneys
b. two pairs of kidneys
C. three pairs of kidneys
d. four pairs of kidneys
2. A kidney is formed of a large number of fine tubules called
a. seminiferous tubules
b. nephric tubules
c. Leydig cells
3. Structures that develop in connection with nephric tubules are
a. vasa efferentia
b. glomeruli
c.nerve cord
d. dorsal aorta
4. In anamniota, the first set of nephric tubules, about 3-15, develop from the nephrostomes to form
a opisthonephros
b. pronephros
c. mesonephros
d. metanephros
5. A Bowman's capsule with its glomerulus is known as
a kidney
b. nephrostome
c. Malpighian corpuscle
d. nephrocoelar chamber
6. The pronephros exists as head kidney in
a. Myxine
b. Fierasfer
C. Gobiesox
d. all the above
7. Nephric tubules developing from the middle and posterior region constitute the
a. pronephros
b. mesonephros
c. metanephros
d. opisthonephros
8. Gonads are derivatives of
a ectoderm
b. mesoderm
c. endoderm
9. The vasa efferentia connected with the archinephric duct serve as
a. urinary duct
b. genital duct
c. urogenital duct
x x
10. In the clasmobranchs, the vasa efferentia pass through anterior part of the opisthonephros and connect the archinephric duct which leads into the
a. urinary bladder
b. rectum
c. cloaca
d. outside
11. In teleosts, kidneys
a. do serve genital system
b. do not serve genital system
12. In male amphibia, the vasa efferentia either directly connect with the archinephric duct or first pass into a
a. urinary bladder
b. cloaca
c. Bidder's canal
d. outside
13. In the female anamniota, the oviduct in majority of cases is modification of
a. archinephric duct
b. Mullerian duct
c. Malpighian duct
d. Bidder's canal
14 . In telcosts, the oviducts are
a. short
b. long
c. continuous with the gonads
d. a& c
15. Reptiles, birds and mammals have.
....... kinds of kidneys developing in the embryo one after the other in succession
a. 2
b. 3
c. 4
d. 5
16. Genital ducts of the male amniota are the
a. Mullerian ducts
b. Wolffian ducts
c. Archinephric ducts
17. The functional kidney of Scoliodon is
a. pronephros
b. opisthonephros
c. mesonephros
d. metanephros
18. The part of kidney of Scoliodon set aside for transporting sperm is about
a. one half
b. one third
c. two third
d. three forth
19. Nephric tubules in the genital part of the kidney of Scoliodon are
a. extremely thin
b. extremely thick
c. play role in excretion
d. do not play role in excretion
e. a & c
f. a&d
20. Mature ova in Scoliodon are enclosed in
a. Graafian follicle
b. ostium tubac
c. vagina
d. Mesotubaria
x x
Chapter 22. Endocrine system -the Chemical Co-ordination
1. Thyroid is a large gland situated in the
a. head
b. anterior part of thorax
c. anterior part of abdomen
d. posterior part of abdomen
2. The origin and evolution of thyroid can be traced back to cyclostomes where it is derived from larval
a. dorsal lamina
b. gills
c. pharynx
d. endostyle
3. Thyroid produces an..................containing substance that acts throughout the body
a. iodine
b. sodium
c. potassium
d. magnesium
4. Iodine occurs in combination with protein
a. thyroglobulin
b. tri-iodothyronine
c. thyroxine
5. Thyroid also produces
a. melatonin
b. renuin
c. calcitonin
d. oxytocin
6. Lack of iodine in the diet causes
a. amyxedema
b. cretinism
c. hypothyroidism
d. exopthalmic goitre
7. Collip's hormone is the other name of
a thyroid hormone
b. oxytocin
c. parathormone
d. thyroxin
8. The tissues corresponding to the adrenal cortex are represented in elasmobrand
a. spleen
b. liver
c. internal gland
d. intestine
9. Epinephrin is another name of
a. adrenaline
b. nor-adrenaline
c. parathormone
d. nor-epinephrine
10. The hormones of adrenal cortex are commonly called
a. calcitonin
b. cortin
c. gluconin
d. sterones
x x
11. A castrated horse is called
a. gelding
b. denkey
C. male
d. mare
12 . Castrated man is called
a. Klinefelter
b. Turner
C. Super female
d. ennuch
13. Corpus luteum in mammals and several other vertebrates produces a hormone oestrogen
a. super female
b. LH
C. progesterone
d. gonadotrophin
14. Pancreas produces
a. insulin
b. glucogen
c. lipocaic
d. all the above
15. The number of secretions produced by anterior lobe of pituitary is
a. 2
b. 5
c. 7
d. 11
16. Gigantism is caused by the oversecretion of
a. TSH
b. STH
C. ACTH
d. ADH
17. Vasopressin is secreted by
a. anterior lobe of pituitary
b. posterior lobe of pituitary
c. thyroid
d. thymus
18. Oxytocin is also called
a. pituitrin
b. pitosin
c. calcitonin
d. cortin
x x
Chapter 23. Nervous system
1 . The brain and spinal cord are protected by membranes called
a. pericardium
b. perichondrium
c. periosteum
d. meninges
2. Meninx primitiva is present in
a. Fishes
b. Amphibians
c. Reptiles
d. Mammals
3. The space between the duramater and endorachis is called
a. pericardial space
b. epidural space
c. subdural space
d. mesodural space
4. The number of meninges in mammals is
a. 2
b. 3
c. 4
d. 5
5. Arachnoid and piamater though separated are collectively known as
a. mesomeninges
b. metameninges
c. epimeninges
d. reptomeninges
6. Soon after the formation of neural tube, its anterior part enlarges and constructs to form.......
primary brain vesicles
a. 2
b. 3
c. 4
d. 5
7. A fibrous dorsal septum folds up from the roof of the central canal and joins the
a. duramater
b. piamater
c. arachnoid
8. The roof and side walls of the telencephlalon bulge outwards and forwards in front of the original anterior wall of the telencephalon to differentiate into
a. cerebral hemispheres
b. cerebellum
c. optic lobes
d. medulla
9. Thickenings and outgrowths appear in the diencephalon in which lies the 3rd ventricle or diocoel separated from the lateral ventricle by
a. lamina terminalis
b. corpora striata
c. epithalamus
d. parietal body
10. Lateral thickenings of the diencephalon form the
a. thalami
b. hypothalamus
c. hypophysis
d. infundibulum
x x
11. The hypothalamus consists of
a. optic chiasma
b. tuber cinereum
c. infundibulum
d. hypophysis
e. all the above
12. The pituitary body is constituted by
a. infundibulum
b. hypophysis
c. epiphysis b&c
d. a & b
13. The floor and sides of the mid brain are thickened into tracts of grey matter, the
a. corpora bigemina
b. crura cerebri
c. tecti opticum
d. cerebral aqueduct
14. A part that is link between psyche and the soma is
a. epiphysis
b. infundibulum
c. hypophysis
d. optic lobes
15. Hypothalamus plays an essential role in maintaining water balance through
a. ADH
b. ACTH
c. STH
d. Insulin
16. In fishes the spinal cord and brain are covered with.......marginal membrane/s
a. single
b. double
c. tripple
d. quadrupple
17. The brain of Scoliodon is
a. large
b. small
c. very small
d. medium sized
18. In Scoliodon the olfactory bulb of each side is applied to the outer surface of the
a. nasal sac
b. eye
c. auditory lobe
d. first gill
19. In Scoliodon a considerable part of the optic lobes is concealed by
a. cerebral hemispheres
b. cerebellum
c. medulla
d. diencephalon
20. Auricular recess is a continuation of
a. lateral ventricles
b. optocoel
c. myelocoel
d. metacoel
x x
21. In tailless amphibia the spinal cord has a non nervous continuation in urostyle called
a. urostylar extension
b. filum terminale
c. vulvula cerebelli
d. tuber cinereum
22. In Reptilia, the spinal cord shows the characteristic.............. shaped patterns of the grey matter
a. A
b. H
c. M
d. N
23. In Uromastix, the cerebral hemispheres are
a. smooth
b. large
c. oval in outline
d. all the above
24. The diencephalon in Uromastix is
a. small
b. pressed betweeen cerebrum & mid brain
c. its roof forms anterior choroid plexus
d. all the above
25. Crocodiles have a
a. large sized cerebellum
b. small sized cerebellum
c. medium sized cerebellum
26. In birds, the spinal cord
a. runs the whole length of the vertebral column
b. filum terminale is absent
c. the usual branchial and lumbar enlargements are present
d. all the above
27. Diencephalon in birds is visible on the
a. dorsal side
b. ventral side
c. lateral sides
d. posterior sides
28. Arbor vitae are present in the brain of
a. fish
b. reptiles
c. amphibians
d. birds
29. The corpus callosum is present in the cerebral hemispheres of
a. fishes
b. amphibians
c. birds
d. mammals
30. The fornix is formed by the union of two strands of fibres called
a.pillars of fornix
b. septum pellucidum
c. taeniai hippocampi
d. none of the above
x x
Chapter 24. The Receptor System
1. Chemoreceptors within the body monitor changes in the
a. gas and hydrogen ion content of the blood
b. high frequency sounds
c. changes in the light
d. None of the above
2. The sense of smell or olfaction is detected by neurosensory olfactory cells of distinct group of olfactory cells that form the paired
a. ectodermal origin
b. mesodermal origin
c.endodermal origin
d. none of the above
3. Most terrestrial vertebrates except for secondary aquatic or arboreal animals have a
a. median eyes
b. vomeronasal organs
c. parietal eyes
d. lateral line organs
4. Gustatory receptors are taste buds of
a. ectodermal origin
b. endodermal origin
c. mesodermal origin
d. neuroectodermal origin
5. Free nerve endings and many different encapsulated nerve endings occur in
a brain
b. skin
c. liver
d. eyes
6. Prioprioceptors include
a. eyes
b. cars
c. tendon organ
d. tongue
7. The lateral line system of fishes and larval amphibians consists of linearly arranged
a. neuromasts
b. neuroblasts
d. epiblasts
c. fibroblasts
8. The electro receptors found in many fishes are modified parts of the lateral line system known as
a. ampullary or tuberous organ
b. Jacobson's organs
c. vomeronasal organs
d. palatine organs
9. The inner ear is closely related to
a. lateral line system
b. olfactory
c. Gustuatory system
d. none of the above
10. The inner ear consists of a membranous labyrinth that is surrounded by perilymph and lodged in an osseous labyrinth in the
a. optic capsule
b. olfactory capsule
c. otic capsule
d. none of the above
x x
11. A sound source in water generates low frequency particle displacement waves and higher frequency pressure waves. Fishes detect low frequencies primarily by the
a. olfaction organs
b. lateral line
c. eyes
d. Jacobson organs
12. To hear on land tetrapod needs
a. stapes
b. lagena
c. cochlea
d. sacculus
13. A tympanic membrane is needed to hear high frequency sound above
a. 200 Hz
b. 500 Hz
c. 700 Hz
d. 1000 Hz
14. A tympainic membrane has probably evolved independently in at least
a. 4 lines
b. 3 lines
C. 2 lines
d . 5 lines
15. In most reptiles and birds, the ear has a tympanic membrane and
a. a simple auditory ossicle
b. 2 auditory ossicles
c. 3 auditory ossicles
d. 4 auditory ossicles which connects to the
16. A frog's ear has a tympanic membrane
a. stapes
b. incus
c. malleus
d. cochlea
17. Bats and cetaceans have evolved echolocation systems based an listening to the
a. return of high frequency sound
b. return of low frequency sound
c. outgoing of high frequency sound
d. outgoing of low frequency sound
18. The ambient light in most primitive fishes and primitive amphibians and reptiles is monitored by
a. median eye complex
b. lateral eye complex
c. skin receptors
d. none of the above
19. Median eye complex does not have
a. pincal eye
b. parietal eye
c. pineal gland
d. lateral eye
20. The lateral eyes of vertebrates are image forming eyes and the deepest layer of it is
a. choroid
b. Iris
c. ciliary body
d. retina
x x
21. Light in eyes is received by
a. rod only
b. cones only
c. both rod & cones
d. blind spot
22. In the terresteral vertebrate eye considerable light reflection occurs in the
a. choroid
b. sclerotic
c. comca
d. retina
23. An amphibian accomodates far near objects by cantracting a muscle that pulls the lens towards the
a cornea
b. sclerotic
c. retina
d. choroid
View, comments and share.......
x
x
0 Comments