Past Paper Punjab University 2016 BSC Zoology Paper B

Past Paper Punjab University 2016 BSC Zoology Paper B Zoology

Welcome to Taleem E Pakistan BSC Zoology Paper B 2016 Zoology Punjab University Section, the largest collection of PU Zoology Past Papers, that provides to the educational needs of all students to enable them to study at their own way. Scroll down to watch Punjab University BSC Zoology Paper B 2016 Past Paper.

Punjab University B.Sc-2016 Time Allowed:lhr.
Zoology PAPER: B Max.Marks:25

Attempt Part-I on the Question sheet and Part-II on the Answer Sheet provided.

IMPORTANT NOTE: Attempt this Pail in the given time of 1 hour and handover to the Centre Superintendent. Who will provide you Answer sheet for Part-II.

Part – I OBJECTIVE PORTION

Tick the correct option from the MCQs given below: 1/2x 20=1 0

i) The nitrogenous excretory waste in mammals is
(A) Ammonia
(B) Uric acid.
(C) Urea

ii) In birds both the air sacs and bronchi are connected to
(A) Lungs
(B) Esophagous
(C) Bones
(D) All of these

iii) Locomotion in primitive reptiles is similar to
(A) Running birds
(B) Snakes
(C) Salamanders
(D) Rodents

iv) The hindlimb of amphibia are attached with
(A) Cervical region
(B) Sacral region
(C) Thoracic region
(D) Caudal region

v) Air bladder in fishes helps in
(A) Buoyancy regulation
(B) Sound production
(C) Respiration
(D) All of these

vi) There are no copulatory organs in
(A) Cockroach
(B) Ascaris
(C) Sea stars
(D) Mosquito

vii) There are four pairs of walking legs in adults of
(A) Scorpions
(B) Ticks and mites
(C) Spiders
(D) All of these

viii) The molluscs are most closely related to the
(A) Annelids
(B) Arthropods
(C) Echinoderms
(D) Chordates

ix) Trocophore larva is found in
(A) Cnidarians
(B) Cockroach
(C) Annelids
(D) Sponges

x) Excretory organs in Ascaris are
(A) Nephridia
(B) Flame cells
(C) Malpigian tubules
(D) Renette cells

xi) Anus is absent in
(A) Fasciola
(B) Cockroach
(C) Earthworm
(D) House fly

xii) Gemmules are formed for
(A) Asexual reproduction
(B) Body growth
(C) Sexual reproduction
(D) Digestion

xiii)Entamoeba histolytca differs from amoeba in not having a
(A) Nucelus
(B) Contractile vacuole
(C) Food vacuole
(D) None of these

xiv)”Trypanosomiasis” is transmitted by
(A) Sand-fly
(B) Dragon fly
(C) Tsetse-fly
(D) May-fly

xv) The blood of Acorn worms is
(A) Red
(B) Greenish blue
(C) Green
(D) Colorless

xvi)Feathers which cover the body wings and tail are called
(A) Down
(B) Contour
(C) Filoplume
(D) Dermal

xvii) In reptiles glandular regions of oviduct secrete
(A) Albumen
(B) Both of these
(C) Egg shell

xviii) The hindlimb of amphibia are attached with
(A) Cervical region
(B) Sacral region
(C) Thoracic region
(D) Caudal region

xix) Respiratory gases from swim bladder are reabsorbed into blood at
(A) Rete mirabile
(B) Glomerulus
(C) Ovate
(D) None of these

xx) Which of these is a balancing sense organ?
(A) Statocyst
(B) Osphradium
(C) Antenna
(D) Nuchal organ

Question # 2

Fill in the Blanks: 1/2×20=10

i) The similarity between the wings of birds and insects is an example of ……….
ii) In life cycle of Plasmodium, gametogony occurs in ………..
iii) Aurelia is a …… feeder.
iv) Most turbelarians have two simple eyespots called ………..
v) The adult hookworms feed on and tissue fluids ……….
vi) The excretory organs of annelids are called ……….
vii) Cephalopods have pigment cells called ………….
viii) The gut tract of arachnids is divided into ………… regions.
ix) The unattached end of sea lily is called ………..
x) The lung fishes show a distinction between a …….. circuit and a systemic circuit.
xi) Gas exchange across the skin is called ……..
xii) Most snake venoms are mixtures of neurotoxins and ……….
xiii) Hovering flight is best performed by ……..
xiv)The evolution of similar structures in different lineages is called …….. evolution.
xv) The tunicate heart lies at the base of the ………
xvi)Analogies are sometimes called …… evolution.
xvii) Amoeba engulf food by …………
xviii) In Obelia, the planula develops into a feeding polyp called ……….
xix)A hard capsule called ……… encloses many turbellarian eggs.
xx) Adult Ascaris live in the ……… of humans.

Question # 3

a) Assign the CLASSES of the following animals: 1/2×5=2.5
i) Hydra ……….
ii) Ticks ……….
iii) Dugesia ……….
iv) Nereis ……….
v) Octopus ……….

b) Name the DISEASES caused by the following animals: 1/2×5=2.5
i) Plasmodium ……….
ii) Taenia solium ……….
iii) Tsetse Fly ……….
iv) Trichinella ……….
v) Leishmania ……….

c) Label the following diagrams as indicated: 2.5+2.5

Zoology Paper B 2016 Question 3 Part 1

i) ……….
ii) ……….


Punjab University B.Sc-2016 Time Allowed:2hr.
Zoology PAPER: B Max.Marks:20

Attempt the questions of Part-II on Separate Answer Sheet Provided.

Part-II SUBJECTIVE PORTION

Question # 4

Give brief answer to any TEN of the followings: 1×10=10

i) Why is it difficult to find Protozoan fossils?
ii) What are Coloblasts?
iii) How does a turbellarian move and feed?
iv) In what way Oligochaete development different from Polychaete development?
v) How Pearl forms in Oysters?
vi) What is Metamorphosis?
vii) Distinguish Autotomy and Regeneration.
viii) In what ways amniotic eggs adaptive for life on land?
ix) Why is monogamy advantageous for most birds?
x) What are two ways that mammals can generate metabolic heat?
xi) What are the advantages of Scientific names?
xii) What are the two methods which fishes use for gill ventilation?
xiii) What adaptations for burrowing do worm lizards show?
xiv) What do you know about Trilobites?
xv) What are the distinguished characters of Amphioxus?

Question # 5

a) Compare the characteristics of Protostomes and Deuterostomes. 5
b) Describe the Water vascular system in Sponges. 5

OR

a) Classify the class Reptilia 5
b) Discuss respiratory system of a Bird. 5

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