WorksheetsFenneropenaeus external characters and appendages
Total questions: 25
Worksheet time: 13mins
The body of Penaeus is divided into
Head, thorax and abdomen
head and abdomen
cephalothorax and Abdomen
Cephalothorax and Head
Number of segments in the head of Fenneropenaeus
5
8
6
Number of segments in the Thorax of Fenneropenaeus
5
8
6
The dorsal and lateral sides of the cephalothorax are covered by a single exoskeleton called
Carapace
Gill cover
Branchiostegite
sternal plate
On either side of the thorax, the carapace hangs down freely as
Brachiostegite
Sternal plate
Thelycum
sternum
What is Thelycum?
In the female Penaeus, the sternum of the last thoracic segment forms as an outgrowth
In the male Penaeus, the sternum of the last thoracic segment forms as an outgrowth
In the female Penaeus, the sternum of the first thoracic segment forms as an outgrowth
In the male Penaeus, the sternum of the first thoracic segment forms as an outgrowth
In Fenneropenaeus, the female genital openings lie at the
the base of the sixth thoracic legs
the base of fifth thoracic legs
the base of the fourth thoracic legs
the base of third thoracic legs
In male Fenneropenaeus , a pair of male genital apertures lie at the
the base of the last pair of thoracic legs
the base of the first pair of thoracic legs
the base of the second pair of thoracic legs
the base of the fifth pair of thoracic legs
Identify the correct order of labelling
1-epimeron, 2- protopodite, 3- exopodite,4- endopodite, 5- sternum. 6- tergum, 7- pleuron
1-tergum, 2- protopodite, 3- exopodite,4- endopodite, 5- sternum. 6- epimeron, 7- pleuron
1-tergum, 2- protopodite, 3- exopodite,4- endopodite, 5- sternum. 6- epimeron, 7- brachiostegite
1-tergum, 2- protopodite, 3- exopodite,4- endopodite, 5- sternum. 6- pleuron, 7- epimeron
Name the appendage
Uropod
Antenna
Antennule
Mandible
Squame is
present in 1st Antenna
modified exopodite
a balancing organ
modified endopodite
Statocyst is located in
1st Antennae
2nd Antennae
Mandible
1st Maxilla
Coxal gland is seen associated with
Antenna
Antennule
Mandible
Uropod
Scaphognathite is
present in second maxillae
modified exopodite
present in Antennae
produces water currents in gill chamber
Epipodite is present in
Antenna
Non-chelate leg
Chelate leg
Mandible
Function of Epipodite is
Respiration
Balancing
Sensory
Feeding
Select the odd one out
Maxilla
Mandible
Maxillipeds
Non-chelate leg
Select the odd one out
Maxilla
1 st Maxilliped
Chelate leg
2nd Maxilliped
Identify the appendage
Second Maxilla
First Maxilla
First Maxillipeds
Second Maxilliped
Identify the Appendage
First Maxilla
First Maxilliped
Second Maxilla
Second Maxilliped
Identify the Appendage
First maxilliped
Second maxilliped
Third maxilliped
Non- Chelate Leg
Identify the appendage
First Maxilliped
Second maxilliped
Third maxilliped
Non- Chelate leg
Function of Petasma
Feeding
Respiration
Transferring Sperms
Balancing
Petasma is
modified endopodite
modified exopodite
present in first abdominal appendage
present in typical appendage
Present in female prawn
Abdominal appendages are also called
Pleopods
Peraeopods
Walking legs
Chelate legs
