Zoology
Amphibious respiration is seen in:
A.
Pila
B.
Unio
C.
Aplysia
D.
All of these
In scaphoda the foot is:
A.
Shoe-shaped
B.
Hatchet-shaped
C.
Dome-shaped
D.
Boat-shaped
Which of the following statements is incorrect in the case of class Cephalopoda?
A.
Head distinct and large with well developed eyes, foot as tentacles with siphon
B.
Dioceious, development direct
C.
Shell external, internal or absent
D.
Marine and sedentary
Gastropods are:
A.
Marine
B.
Fresh water
C.
Terrestrial
D.
All of these
In subclass dibranchia of class Pelycypoda there are:
A.
Three pairs of gills, two pairs of nephridia
B.
One pair of gills, one pair of nephridia
C.
Two pairs of gills, one pair of nephridia
D.
One pair of gills, two pairs of nephridia
Torison is a characteristic feature of class:
A.
Pelycypoda
B.
Scaphopoda
C.
Gastropoda
D.
Amphineura
Which of the following character is not typical to Arthropoda?
A.
Perivisceral cavity is a haemocoel
B.
Chitinous exoskeleton of movably articulated sclerites
C.
Jointed appendages
D.
Closed circulatory system
The common house-cricket, which produces the familiar sound with its stridulating organs is:
A.
Gryllus
B.
Locust
C.
Lepisma
D.
Praying mantis
Which of the following class is characterized by the absence of respiratory or excretory organs?
A.
Merostomata
B.
Arachnida
C.
Pycnogonida
D.
Crustacea
Which of the following statements is incorrect in the case of subclass Xiphosura?
A.
Presence of five pairs of six-joined walking legs
B.
Respiration by gills
C.
Genital openings paired
D.
Cephalothorax with convex, horseshoe-shaped carapace
Which of the following is not a crustacean larva?
A.
Phyllosoma
B.
Megalopa
C.
Trochophore
D.
Mysis
Which of the following is a parasite?
A.
Balanus
B.
Lepas
C.
Sacculina
D.
Cypris
Which of the following is known as "Water Flea"?
A.
Daphnia
B.
Cyclops
C.
Lucifer
D.
Mysis
Which of the following is referred to as "Living Fossil"?
A.
Sarcoptes
B.
Limulus
C.
Daphnia
D.
Balanus
Primitive wingless insects belong to the sub-class:
A.
Apterygota
B.
Pterygota
C.
Branchiura
D.
Copepoda
Shrimps, crayfish, lobster and crabs belong to class:
A.
Insecta
B.
Crustacea
C.
Arachnida
D.
Chilopoda
Subclass pterygota of class insect have insects with usually ___________ pairs of wings:
A.
One
B.
Two
C.
Three
D.
Four
Crustacean Arthropods have respiratory organs as:
A.
Tracheae
B.
Gills
C.
Book lungs
D.
General Body surface
Class Crustacea does not include:
A.
Palaemon
B.
Palamneus
C.
Eupagarus
D.
Sacculina
An animals with a pair of chelicerae, a pair of pedipalps and 4 pairs of walking legs belongs to class:
A.
Crustacea
B.
Arachnida
C.
Pauropoda
D.
Diplopoda
Convex, horseshoe-shaped cephalothorax is seen in the subclass:
A.
Ostracoda
B.
Cepopoda
C.
Cephalocarida
D.
Xiphosura
Chaetopoda as a super group includes both polychaeta and Oligochaeta on the basis of a similar character, that is:
A.
Presence of setae
B.
Equal segmentation
C.
Indistinct head
D.
Direct development
Fixed number of segments with each segment subdivided into annuli are present in:
A.
Oligochaeta
B.
Polychaeta
C.
Hirudinea
D.
None of these
All the annelids are:
A.
Prostomium
B.
Setea
C.
A fixed number of segments in the body of each species
D.
A spacious coelom
Which group does not have any ectoparasite?
A.
Echiurus, Boneilia, Pontobdella
B.
Branchellion, Nepheles, Pontobdella
C.
Myzostoma, Arenicola, Boneilia
D.
Boneilia, Echiurus, Arenicola