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Quiz 11
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Q.1
In silkworm, silk is the product of
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a) Salivary glands of larvae
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b) Cuticle of the adult
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c) Cuticle of the larva
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d) Salivary gland of the adult
Explanation
Answer:(a)
Q.2
Pseudocoelom develops from
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a) Blastopore lip
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b) Archenteron
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c) Embryonic mesoderm
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d) Blastocoel
Explanation
Answer:(d)
Q.3
A phylum with triploblastic acoelomate animal is
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a) Platyhelminthes
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b) Aschelminthes
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c) Annelida
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d) Arthropoda
Explanation
Answer:(a)
Q.4
Many molluscs have a water-testing organ present in the mantle cavity. This is called
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a) Statocyst
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b) Osphradium
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c) Tentaculocyst
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d) Amphid
Explanation
Answer:(b)
Q.5
Choanocytes are present in ….. of Leucosolenia
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a) Incurrent canals
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b) Radial canals
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c) Excurrent canals
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d) Spongocoel
Explanation
Answer:(d)
Q.6
In hemichordates the dorsal nerve cord is
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a) Absent
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b) Restricted to tongue region
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c) Present throughout
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d) Restricted to collar region
Explanation
Answer:(d)
Q.7
Which of the following is not a mollusca?
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a) Octopus
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b) Sea squirt
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c) Sea squid
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d) Nautilus
Explanation
Answer:(b)
Q.8
Pupa occurs in the life cycle of
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a) Grasshopper
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b) Cockroach
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c) Silverfish
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d) Butterfly
Explanation
Answer:(d)
Q.9
In leech, hirudin is secreted by
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a) Crop
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b) Pharynx
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c) Salivary glands
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d) Haemocoel
Explanation
Answer:(c)
Q.10
Match the following
Column I( Locomotory Organ)
Column II ( Phylum)
A. Pseudopodia
p. Mollusca
B. Parapodia
q. Chondrichthyes
C. Muscular feet
r. Protozoa
E. Fins
s. Annelida
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a) A- s, B- r , C-q, D-p
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b) A- r, B- s , C-p, D-q
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c) A- r, B- p , C-s, D-q
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d) A- p, B- r , C-s, D-q
Explanation
Answer:(b)
Q.11
Body having a meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum:
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a) Coelenterata
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b) Porifera
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c) Mollusca
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d) Protozoa.
Explanation
Answer:(b)
Q.12
Find out the mismatch:
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a) Sponges – Cellular level
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b) Coelenterates – Tissue level
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c) Platyhelminthes – Organ level
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d) Mollusca - Organ level
Explanation
Answer:(d)
Q.13
Spongilla is commonly called:
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a) Glass rope sponge
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b) Bath sponge
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c) Venus flower basket
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d) Fresh water sponge
Explanation
Answer:(d)
Q.14
A bilateral larva transforms to radial adult in
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a) Aurelia
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b) Hydra
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c) Sea urchin
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d) Sea anemone
Explanation
Answer:(c)
Q.15
In which of the animals rectum passes through pericardium?
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a) Unio
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b) Pila
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c) Sepia
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d) All
Explanation
Answer:(a)
Q.16
Amongst coelenterates, Hydra is one of the smallest
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a) Medusa
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b) Polyp
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c) Gastrozooid
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d) Gonozoid
Explanation
Answer:(b)
Q.17
Which molluscan group is primarily used in pearl production
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a) Pelecypoda
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b) Monoplacophora
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c) Cephalopoda
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d) Gastropoda
Explanation
Answer:(a)
Q.18
Triploblastic unsegmented, acoelomate, exhibiting bilateral symmetry and reproduction both asexually and sexually and asexually, with parasitic forms belong to phylum
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a) Porifera
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b) Platyhelminthes
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c) Annelida
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d) Ctenophora
Explanation
Answer:(b)
Q.19
Which of the following traits is not characteristic of echinoderms
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a) Water vascular system
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b) Trochophore larva
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c) Tube feet
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d) Enterocoel
Explanation
Answer:(b)
Q.20
For class cephalopoda which of the following statement is incorrect:
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a) Head distinct and large with well developed eyes, foot as tentacles with siphon
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b) Dioecious and direct development.
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c) Shell external, internal or absent
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d) Marine and sedentary
Explanation
Answer:(d)
Q.21
Level of structural organization found in Hydra and Jelly fish is
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a) Cellular
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b) Acellular
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c) Tissue
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d) Organ-system
Explanation
Answer:(c)
Q.22
Stomatochord is found in
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a) Balanoglossus
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b) Herdmania
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c) Pyrosoma
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d) Amphioxus
Explanation
Answer:(a)
Q.23
Choose the correct combination
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a) Annelida and Porifera – Phyla
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b) Oligochaete and Arthropoda – Phyla
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c) Mollusca and Hydrozoa – Classes
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d) Aves and Chordata - Classes
Explanation
Answer:(a)
Q.24
Match the following:
Column I
Column II
Statocysts
(a) Radiating plates
Radula
(b) Respiratory function
3.Gills
(c) Organ of balance
Cnidoblast
(d) Anchorage, defence
- - - -
(e) Organ of feeding
- - - -
(f) Organ of locomotion
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a) 1 →d ,2 →a ,3 →c ,4 →f ,
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b) 1 →c ,2 →e ,3 →b ,4 →d
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c) 1 →d ,2 →e ,3 →f ,4 →f
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d) 1 →b ,2 →c ,3 →e ,4 →d
Explanation
Answer:(b)
Q.25
Match the following:
Column I
Column II
a Physalia
1 Liver fluke
b Taenia
2 Sycon
c Fasciola
3 Tapeworm
d Scypha
4 Portuguese man of war
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a) a →2 ,b →1 ,c →3 ,d →4
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b) a →4 ,b →3 ,c →1 ,d →2
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c) a →1 ,b →3 ,c →2 ,d →4
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d) a →1 ,b →2 ,c →3 ,d →4
Explanation
Answer:(b)
Q.26
The diagram given below represents the two basic body forms of cnidarians (i) (a) represents polyp and (b) represents medusa. (ii) Polyp is sessile and cylindrical form while medusa is umbrella shaped and free swimming. (iii) Hydra and Adamsia represent poly form while Aurelia represents medusa form. (iv) Those cnidarians in which (b) body form is present alone belong to class Scyphozoa. (v) Obelia can show both (a) and (b) in their life cycle.
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a) (ii), (iii) and (iv) are false.
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b) (i) and (iv) are false.
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c) (i), (iii), (iv) are false
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d) Only (i) is false
Explanation
Answer:(b)
Q.27
atch list I with list II and select the correct answer with the help of answer code
List I (genus,phylum)
List II( Larcastage)
A. Aurelia
Parenchymula
B. Sponge
Ephyra
C. Mollusca
Trochopore
D. Plychaeta
4.Veliger
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a) A- 1, B- 2, C – 3, D – 4
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b) A- 2, B- 3, C – 4, D – 1
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c) A- 3, B- 4, C – 1, D – 2
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d) A- 2, B- 1, C – 4, D – 3
Explanation
Answer:(d)
Q.28
The infective stage of Ascaris is
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a) Fertilized egg
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b) Embryonated egg
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c) Rhabditoid larva
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d) Adults Ascaris
Explanation
Answer:(a)
Q.29
The germinal layers of Limulus consist of:
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a) Ectoderm, Mesoderm and Endoderm
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b) Ectoderm and mesoderm
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c) Endoderm and Mesoderm
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d) Endoderm and Ectoderm
Explanation
Answer:(d)
Q.30
Read the following statements: (i) Polyp is sessile and cylindrical form like Adamsia. (ii) Medusa is umbrella shaped and free-living like Aurelia. (iii) Polyp produces medusa sexually and medusa forms the polyp asexually in Obelia. (iv) Metagenesis is seen in jelly fish.
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a) (i), (iv)
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b) (i), (iii)
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c) (ii), (iii)
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d) (iii), (iv)
Explanation
Answer:(d)
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