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Zoology Model Question Paper
Paper - I Zoology Sub Code - ZOO-111
I. Multiple choice questions (1 mark each) :
1) Pila is popularly called the …………….
a) apple snail b) pearl oyster c) sea horse d) sea lemon.
2) In Pila the shell is made up of ……………..
a) single piece b) two pieces c) 3 to 4 pieces d) several pieces
3) In the Pila, shell usually consists of …………….
a) 3.5 whorls. b) 5.5 whorls c) 6 whorls. d) 6.5 whorls
4) The whole series of whorls, exclusive of the body whorl in Pila is known as………
a) spire b) varinx. c) umbilicus d) suture.
5) The colour of the shell of Pila is ……………
a) green b) brown c) lemon yellow d) red
6) In Pila, on the inner surface of the operculum there is an area for the attachment of the opercular muscles, called……………..
a) nucleus b) boss c) peristome d) pallium
7) The foot in Pila is ……………
a) elongated b) flat leaf shaped c) well muscularised d) not found

II. Attempt the following (2 marks each) :
1) Mollusca 2) Shell of Pila 3) Columella 4) Tentacles 5) Mantle
6) Peristome 7) Boss 8) Foot of Pila 9) Visceral mass 10) Nuchal lobes

III. Attempt the following (4 marks each) :
a. Enlist any 6 characteristic features of Phylum Mollusca
b. Systematic position, habits and habitat of Pila.
c. Explain shell of Pila.
d. Describe microscopic structure of Pila shell.
e. Sketch and label shell of shell

IV. Attempt the following (3 marks each) :
i. Sketch and label outer view of operculum
ii. Sketch and label inner view of operculum
iii. Describe operculum in Pila
iv. Sketch and label microscopic structure of Pila shell

See more questions download here : http://nmu.ac.in/Portals/0/Question%...bsczoology.pdf