QUESTION PAPER
SRI CHAITANYA JUNIOR COLLEGE
EAMCET – ANILEDA
EAMCET – ANILEDA
1. Find out the incorrect statements about
pheritima
a.
Exonephric closed nephridia are present in all segments except the first
two segments
b.
Exonephric open nephridia are absent in pheritima .
c.
Enteronephric open nephridia opens into
intestine only.
d. Enteronephric closed nephridia are 3 pairs in 4,5,6 segments a pair in each
segment.
1. a,b,c only 2. a , b only 3. b,c only
4.
2.
Assertion: Commissural blood vessel is in both collection and
distribution.
Reasoning: Commissural blood vessels collects blood from
subneural blood vessel and supplies
to dorsal blood
vessel.
1. Both A and R are correct . R is
the correct explantion to A
2. Both A and R are correct. R is
not correct explantion to A
3. A is correct R is wrong 4. A is wrong and R is correct .
3 . Read the following and choose the incorrect
one with respect to the pheritima
|
Structure
|
Segments
|
Functions
|
|
I. Intestinal caecae
|
26th
segment
|
Amylase
secretion
|
|
II. Lymph glands
|
26th
to last segment
|
Phagocyte
production
|
|
III.
Blood glands
|
6,7,8,9
segments
|
Blood
cell production
|
|
IV.
Anterior loops
|
10,11,12,13
|
Blood
to stomach
|
1.I ,II only
2. I,III only 3. III, IV only
4. I, II, III only
4. One of these structure is absent in 99th segment of pheritima.
1. Lymph glands 2. commissural blood vessel 3. accessory
glands 4. subneural blood vessel.
5. No. of collecting blood vessels in the
segments of pheritima where anterior loops are present.
1. 2 2. 3 3.
2 4. 4
6. Arrange the following external pores from
anterior end to posterior end
A. Male genital pores B. spermathecal openings C. Anus D. female genital opening
1. ABCD 2. BCAD 3.
CBAD 4. CDBA
7. Find out
the incorrect statements about pheritima
a. Exonephric
closed nephridia are present in all segments except the first two segments
b.
Exonephric open nephridia are absent in pheritima .
c.
Enteronephric open nephridia opens into
intestine only.
d. Enteronephric closed nephridia are 3 pairs in 4,5,6 segments a pair in each
segment.
1. a,b,c only 2. a , b only 3. b,c only 4.
a,d only
8. Blood vessels of pheritima which supplies
blood to alimentary canal.
1. Dorsal blood vessel only 2. ventral blood vessel
only
3. Dorsal and ventral blood
vessels 4. Lateral and supra
oesophageal blood vessels.
9. A pheritima has 100 body segments. The number of septa with
sphictor pores and the number
without sphictor pores 1. 86 & 4
2. 3 & 87 3. 88 & 12 4. 87 & 3
10. In pheritima septum that is penetrated by
the oviduct is the
1. last conical septum 2. first transverse,
perforated septum
3. last transverse non-perforated
septum 4. first transverse,
nonperforated septum
11. In pheretima, common pharygeal nephridial
ducts that open into buccal cavity originate in
1. 2nd segment 2. 4th segment 3. 5th segment 4. 6th segment
12. No. of types of paired apertures present in
the pheritima after clitellar region
1. 2 2. 3 3. 5 4. many
13. PH of coelomic fluid is
1. slightly acidic 2. slightly base 3. Neutral
4. strong base
14. The cells of pheritima resembles with liver of human being
1. mucocytes 2. fat bodies 3. yellow cells 4. circular cells
15. Supply of blood to reproductive organs
1. dorsal blood vessel 2. supra
oesophageal 3. lateral oesophageal 4. ventral blood vessel
16
. Dorsal blood vessel receives blood
from ventral blood vessel like this
1. Internal intestinal plexus –
external intestinal plexus – dorso intestinal
2. ventral intestinal – external
intestinal plexus – internal intestinal plexus – dorso intestinal
3. ventro intestinal – internal
intestinal plexus – external intestinal plexus – dorso intestinal
17. Arrange the segments in pheritima
contains largest number of nephridia in ascending order
1. 14,15,16,17 2. 17,14,15,16 3.17,15,14,16 4. 14,17,15,16
4.
septo intestinal – external intestinal plexus – dorso intestinal – external
intestinal plexus
18. ventro
tegumentary penetrates the septa of
1.
4/5 2. 10/11 3. 18/19
4. 9/10
19. Match
the following
|
1.Flow of blood from anterior to posterior
|
a. commissural blood vessel
|
|
|
2.Flow of blood from posterior to anterior
|
b. anterior loops
|
|
|
3. Flow of blood ventral to dorsal
|
c. Dorsal blood vessel
|
|
|
4. Flow of blood lateral to dorsal
|
d. ventral blood vessel
|
|
.1-a 2-b 3-c 4-d 2.1-d 2-c
3-a 4-b 3. 1-c 2-b 3-a 4-d 4. 1-d 2-c 3-b 4-a
20.
Nephrostome and nephridiopore are absent in this nephridia
1.
septal nephridia 2. pharyngeal nephridia 3. integumentary nephridia 4. chloragogen cells
21.
Vermicompost do not contain
1.
Nitrogen 2. potash 3. phosparous
4. proteins
22.
Alimentary canal derived from
1.
mesoderm only 2. mesoderm - endoderm 3.
endoderm only 4. ectoderm – mesoderm
23. Dermis
derived from
1.
ectoderm 2. endoderm 3. mesoderm
4. epidermis
24. Tactile
receptors are
1.
Tango receptors 2. chaemorecptors 3. Gustatory receptors 4. olfactory receptors
25. Assertion:
4d cell form mesoderm in pheritima
reasoning: Pheritima exhibit determinate type of cleveage.
26. External
pores present on 14/15 septa
1.
female genital pore, dorsal pore, nephridiopore
2.Nephridio pores only
3. Dorsal
pore, nephridiopore 4. Female genital
pore, clitellar opening.
27. Formation
of spermatophores is by the secretions of
1.
accessory glands 2. prostate glands 3. cowper glands 4. septal pouches
28. Oviducts
penetrates this septa
1. 8th 2. 9th 3. 10th 4. 14th
29. chose the
correct statement among the following
i.
ventro intestinal receives nutrients from alimentary canal at 30th
segment.
ii.
Dorso intestinal collects blood from alimentary canal at 16th
segment.
iii.
Commissural blood vessel supplies blood to intestine.
1. i,ii
only 2. ii,iii only 3. iii only 4. i,iii only
30. Segmental
nerve ganglia starts from
1. 4th
segment 2. 5th segment
3. 6th segment 4. 3rd
segment
31. Totipotent
cells in the body wall of pheritima
1.
supporting cells 2. basal cells 3.
circular cells 4. glandular cells
32. The cells
with vesicular bulgings found in the coelomc fluid of pheretima are the
derivatives of
1.
intersegmental septa 2.
outer coelomic epithelium
3.
basal membrane 4.
inner celomic epithelium
33. Generic
name of the largest earthworm found in India
1.
Chaetogaster 2. Drawids 3. Megascolides 4. Lumbricus
34. The part
of intestine that increases the area of absorption in pheretima is present in
1. 15
to 26 segments 2.
last 23 or 25 segments
. 3. 27 to last but 23 or 25 segments 4. 15 to last but 23 or 25
segments.
35. The septa
in pheretima which are complete partitions without openings are situated in
these
segments 1. 4/5 to 13/14 2. 4/5 to 18/19 3. 4/5 to 5/6 4. 4/5 to 14/15
36 . Select
the correct combination from the following groups of pheretima
|
Group – I
|
Group – II
|
Group – III
|
|
I) oesophagus
|
Storing the food
|
5,6,7 segments
|
|
II) Pharynx
|
Acts as suction pump
|
Middle of 3rd to 4th segment
|
|
III) Gizard
|
Acts as grinding mill and sieve
|
8th segment
|
|
IV) Stomach
|
Proteolytic enzymes
|
9th
to 14th
|
1.
I and IV 2. II and IV 3. II, III , IV 4. III and IV
37. All parts
of alimentary canal in the first 13 segments of pheretima get blood supply from
1. ventral blood vessel 2. dorsal blood vessel 3. lateral oesophageal blood vessel 4. subneural
38. In pheritima nerves to roof of buccal
chamber from
1. Supra oesophageal and sub
oesophageal neveganglia 2. supra
pharyngeal neve ganglia only
3. supra pharyngeal and sub
pharyngeal 4. supra pharyngeal and
circum pharyngeal.
39. Receptors of pheritima without sensory
hairs for
1. vision 2.
taste 3. tactile 4. light reception
82. Cells of pheritima that are
analogous to the liver cells of vertebrates are
1. Having characteristic
markings on the surface 2. found in
the inner layers of gut wall
3. Large sized and numerous in
coleomic fluid 4. mesodermal in
origin
83. The
smallest cells in the epidermis of pheritima
1. Basal cells 2..glandular cells 3. supporting cells 4 . receptorcells
84. Number of perforated
septa in Pheretima with 100 – 120 segments are
1. 96 – 116 2.
86 – 106 3.
95 – 115 4. 9
85. In pheretima
when setae are anchoring in that
segment
1.
circular muscles are contracted
2. protractor muscles are relaxed
3. retractor muscles are contracted 4. longitudinal muscles are contracted
86. Food of pheretima that is subjected to
enyzymatic action for the first time is
1. carbohydrates 2. fats
3. proteins 4. starch
87. Intestinal juice of pheretima is comparable
to
1. bile juice of higher
vertebrates 2. intestinal juice of
higher vertebrates
3. Gastric juice of higher vertebrates 4. pancreatic juice of higher vertebrates
88. Intestinal caeca in pheretima srise in
1. 23rd segment
2. 26th segment 3.
14th segment 4. 15th
segment
89. The enzyme secreted by glandular cells of
stmach in pheretima
1. amylase 2. lipase
3. proteolytic enyme 4. maltase
90. In pheretima the part which is internally lined by chitinous
cuticle is
1.
buccal cavity 2. pharynx
3. gizzard 4. none of these
91. Study the following and choose the correct combination
|
Type of cell
|
Character
|
Function
|
|
1. phagocytes
|
Charasteristric marks on
surface
|
Phagocytic
|
|
2. chloragogen cells
|
Yellow granules
|
Deamination
|
|
3. mucocytes
|
Elongated
|
Secretion of mucus
|
|
4.. circular cells
|
Membranous folds on surface
|
unknown
|
1. I, II only 2. II, IV only 3. All except III
4. II, III only
92. Typhlosole in pheretima
is formed from
1. dorsal endoderm of intestine 2. ventral
endoderm of intestine
3. dorsal mesoderm of intestine 4. ventral mesoderm
of intestine
93. In pheretima
a segment remains at rest due to
1. maximum contraction of longitudinal
muscles 2. contraction of circular
muscles
3.
contraction protractor muscles 4. contraction of
retractor muscles
94. Read the following with reference to
pheretima
|
Cells / glands
|
Location
|
Function
|
|
|
Dermis
|
Totipotent cells
|
|
II. Amoebocytes
|
Lymph glands
|
Ingestion of eleocytes
|
|
III. Red coloured
follicular bodies
|
Above pharyngeal mass
|
Synthesis of haemoglobin
|
|
IV. mucous secreting cells
|
Epidermis
|
Helps in cutaneous
respiration
|
Correct combination are
1. Except I and II all are true 2. Except II and III all the above
3. Except I and III all are true
4. except II and IV all
are true
95. The part of alimentary
canal of pheretima which is internally lined by a layer formed by collagen ,
gelatinAnd mucopolysaccharides is present in
1. 8th segment 2. 5 – 8 segment 3. 9th segment
4. 9 – 14 segment
96.. The circulatory system
of pheretima includes the
following blood vessels and organs
A. commissural vessel B. ventrotegumentary C. septal nephridia D. ventral blood vessel
F. septonephridial blood vessel
Identify the course of circulation among these
blood vessels throguht septal nephridia
1. E, B, A, F, D, C 2. C,A,D,F,B,E 3. E,B,F,D,A,C 4. E,B,F,A,D,C
97. In pheretima the following vessel collects the blood from
both the pharyngeal nephridia and
Integumentary nephridia
1. commissural 23. supra oesophageal 3. ventro tegumentary 4. lateral oesophageal
98. In pheteritima the digested food reaches the general
circulation through these blood vessel
1. ventro intestinals 2. dorsointestinals 3.
septo intestinal 4. commissural blood
vessel
99. In pheretima
the spermatogonia undergo maturation division in
1. spermiducal funnels 2. spermathecae 3. seminal vesicles 4. testes
100. In earthworm the
archenteron of gastrula is lined by
1. megameres 2. micromeres 3. pole cell 4. mesomeres
101. Assertion:
Inpheretima sperms are released first into the cocoon followed by the
Release of eggs
Reasoning : Earthworms is protrandrous
102. Number of young worms
formed as the result of copulation between two pheretima
1. many 2. eight
3. four 4. two
103. Arrange the following in correct
sequence with reference to the development of pheretima
A. mesomeres B. mesoderm
C. mesoblast D. muscle E. megameres
F. Zygote
1. FECABD 2. FCEABD 3. FEACBD
4. FECBAD
104. Identify
the derivatives of embryonic
ectoderm of pheritima
1. nervous system, 2. excretory
organs and setal sacs
3. muscles and coleomic
epithelia 4. intersegmental septa
and their derivatives
1.
1,2 only 2. 3,4 only 3.
1,2,3 only 4. 2,3,4 ony
105. Find out mesodermal derivatives from the
above options
106. The part of pheritima
which cannot be regenerated back again
1. excretory system 2. reproductive organs 3. setae
4. cuticle
109. Fertilization in pheritima is
__________________--
110. Consider the following
statements aout Pheritima posthuma
1. First nine intersegmental septa are without perorations
II. First ten intergsegmental septa
are without septal nephridia
III. First eleven intersegmental
grooves are without dorsal pores
IV. First twelve segments are without any representative of female
reproductive system.
Which of the above are true ?
1. I, II only 2. I,II and III only 3. I,II and IV only 4. All are true
111. Consider the following
statements about pharyngeal nephridia of pheritima
1. First pair of tufts of pharyngeal
nephridia occurs on the sides of pharynx and the common ducts arising from
These tufts open into pharynx .
II. Second pair of tufts of pharyngeal
nephridia occurs on the sides of
oesophagus and the common ducts arising
From these tufts open into
pharynx
III. Third pair of tufts of pharyngeal
nephridia occurs on the sides of oesophagus and the common ducts
Arising from these tufts open in to
buccal chamber.
Which of the above are true?
1. only I and II 3. Only II and III 3. Only I and III 4. All are true
112. In megascolex sperms
received from the other earthworm during copulation are stored in
1. seminal vesicles 2. ampulla of spermatheca 3. testis sac 4. diverticulum of spermatheca
113. Which of the following
statements about ventral blood vessel of pheretima is incorrect.
1. It is the chief distributing
blood vesses in phereitma
2. It has no connection with the gut
in the first 13 segments.
3. IN the first 13 segments it gives
rise to a pair of ventro tegumentary blood vessels that pierce
the
Septum and supply blood to body
wall of next segment.
4. Behind the 13th
segment it gives off a pair of ventro tegumentary blood vessels and a ventro
intestinal
Blood vessels in each segment.
114. In a typical nephridium
nephridiopore is the opening of
1. intra cellular ciliated part 2. intercellular glandular part 3. intracellular glandular part 4. intercellular muscular part
115. Blood vessel that act as
both collecting and distributring blood vessels in the intestinal region of pheritima
1. dorsal blood vessel 2. ventral blood vessel 3. commissural bloodvessel 4. both 1 and 3
116. Arrange the following in ascending order according the total number
of these sgtructures in pheritima
A. septa B. Septal nephridia C. Septal excretory canals D. supra intestinal excretory canal
E. Excretory ducts 1. DAECB 2. DACEB 3. EADCB 4. DEACB
117. Correct path of passage of excretory fluid
from septal nephridia to intesting in pheretima is
A. intestine B. terminal duct C. supraintestinal excretory canal D . septal excretory canal
E. Septal nephridia 1. EBCDA
2. EDBCA 3. BEDCA 4. EBDCA
118. Number of longitudinal blood vessels that can be seen in a T. s of pheretima passing through testes is
1.
3 2. 4 3. 5 4. 6
119. In earth worm gastrulation occurs due to the invagination of
1. megameres in animal hemisphere 2. micromeres in animal hemisphere
3. megameres in vegetal hemisphere 4. micromeres in
vegetal hemisphere
120.
Arrange the following parts of
pheretima in the ascending order of
number of nephridia present
In each segment
A. 13th segment B. 14th segment C. 15th segment D. 16th segment E. 17th segment F. Pygidium
1. FAEBCD 2. AEFBCD 3. AFEBCD 4. AFEBDC
121. In pheretima blood from prostateglands is
collected by
1. commissural bloodvessels 2. ventro tegumentary bloodvessels
3. lateral oesophageal blood
vessels 4. supra oesophageal
bloodvessel
122. Identify the correct
sequence of blood flow in pheretima
A. external intestinal plexus
B. dorso intestinals C. internal
intsestinal plexus D. Ventro
intestinals
E. Dorsal blood vessel F. ventral blood vessel
1. FDCABE 2. FDACBE 3. FDABCE L4. FDABCE
123. Assertion :
Typical nephridia are open
nephridia
Reasoning : They open out by a
nephridiopore
124. In pheritima the no. of segments with only integumentary nephridia
1.
12 segments 2. 9
segments 3. 14 segments 4. 11 segments
125. After one mating , number of cocoons produced
by each earthworm, number of zygotes formed
in each cocoon and
Number
of earthworms that develop in one
cocoon are respectively
1. one , many, one 2. many, many, one 3. many,
one , one 4. one, one, one
126. In pheretima nutrient rich blood passes
through
1. Dorso intestinal blood
vessels 2. ventro intestinal blood vessels
3. septo intestinal blood
vessels 4. commissural blood
vessels
127. Uni cellular receptors are provided with
1. deep seated nucleus and sensory
hair 2. pheosome and sensory hair
3. vitelline membrane 4. network of nerve
fibrillae
128. What is the correct sequence of formation of
the following during the
development of pheritima
A. mesoderm B. Parioetal layer C. mesoblastic band D. testes E. mesoblast
F. zygote
1. FECABD 2. FECADB 3. FEACBD 4. FCEBAD
129. Oviducts of pheretima pass through
1. 7th septum 2. 8th
septum 3. 9th septum
4. 10th septum
130. Observe the following longitudinal bloodvessels of pheritima
A. Dorsal B. supra oesophageal C . ventral D. lateral oesophageal E. subneural
Arrange them in the ascending order
of their size
1. BEDCA 2. BDECA 3. BEDAC 4. DEB
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