Name of the University : North Maharashtra University
Degree : B.Sc
Department : Zoology
Name Of The Subject : ZOO111 Non-Chordate
Document type : Question Bank
Website : nmu.ac.in
Download Model/Sample Question Papers : https://www.pdfquestion.in/uploads/nmu.ac.in/5246.-fybsczoology.pdf
NMU Non-Chordate Model Question Paper
F. Y. B. Sc. Zoology Sem-I.
P-I : ZOO-111 (Non-Chordate-I)
UNIT 1
Study of Pila globosa (5 Marks)
Question-1 : Multiple choice questions (1 mark each)
1) Pila is popularly called the …………….
a) apple snail b) pearl oyster c) sea horse d) sea lemon.
Related : North Maharashtra University Semiconductor Physics B.Sc Question Bank : www.pdfquestion.in/5254.html
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
7) The foot in Pila is ……………a) elongated b) flat leaf shaped c) well muscularised
Question- 2 and 4 b : 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
Question-3 : 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
Question – 4 : a 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
UNIT 2
Pallial complex and Torsion ( 12 Marks)
Question-1 : Multiple choice questions (1 mark each)
1) The floor of buccal cavity in Pila is raised to form the tongue mass which is …………..
a) radula b) ctenidium c) odontophore d) vestibule
2) In radular teeth are arranged in transverse rows, each one bears…………
a) 5 teeth b) 7 teeth c) 9 teeth d) 12 teeth.
3) The mantle cavity is divided into two chambers by …………
a) ctenidium b) genital duct c) rectum d) epitaenia
4) In Pila, epitaenia divides the mantle of pallial cavity into …………..
a) two equal chambersb) small branchial chamber and large pulmonary chamber
c) large pulmonary sac and small pulmonary chamber
d) small pulmonary sac and large pulmonary sac
5) In Pila the odontophore is associated with ……………..
a) olfaction b) vision c) hearing d) gustastion
Question- 2 : and 4 b : Attempt the following (2 marks each)
i. Mantle cavity ii. Pallial complexiii. Epitanea iv. Pulmonary chamber
v. Torsion in Pila. vi. Coelomvii. Radula of Pila. viii. Egestion.ix. Odontophore
Question-3: Attempt the following (4 marks each)
a. Describe Mantle of Pila
b. Describe structures and function of salivary gland in Pila
c. Describe digestive gland of Pila
d. Describe structure and function of Radula of Pila
e. Explain buccal mass in Pila
f. Food, feeding and digestion mechanism in Pila
Question 4 a. Attempt the following ( 3 marks each)
i. Sketch and label single row of radular teeth
ii. Sketch and label the radula of Pila
iii. Explain stomach of Pila
iv. Explain mechanism of digestion in Pila
Question- 5. Attempt the following (8 marks each)
1) Explain the Pallial complex of Pila
2) Sketch and label mantle cavity and Pallial complex of Pila
3) Sketch and label alimentary canal of Pila
4) What is digestion? Describe digestive system of Pila
5) Define torsion. With labeled diagram describe various stages of torsion in gastropod.
6) Describe the various digestive gland of Pila. Add a note on Food and Feeding mechanism.
UNIT 3
Respiratory system (5 Marks)
Question-1: Multiple choice questions (1 mark each)
1) The function of ctenidium is ………
a) digestion. b) respiration. c) reproduction. d) all.
2) Monopectinate ctenidium is found in ……………
a) Pila. b) Heliothis. c) Patella d) all.
3) The mode of respiration in Pila is ………….
a) aquatic b) aerial c) parasitic d) aquatic and aerial.
4) In Pila, Aquatic respiration is performed by………………..
a) ctenidium. b) genital duct. c) rectum. d) epitaenia.
5) In Pila, pulmonary respiration is performed by………………..
a) ctenidium. b) lung. c) rectum. d) epitaenia.