Zoology MCQs Notes for PMS Examination

(i) Chano cysts are found in?
(a) Coelentrate
(b) Annelida
(c) Porifera
(d) Arthropoda
(e) All of these

(ii) House fly is a common insect having ______ legs.
(a) 4
(b) 6
(c) 8
(d) None of these

(iii) Silver fish is included in:
(a) Pisces
(b) Arthropoda
(c) Annelida
(d) None of these

(iv) Number of vertebrae in neck of a giraffe are:
(a) 10
(b) 5
(c) 7
(d) None of these

(v) Flame cell is typical of:
(a) Annelida
(b) Chordata
(c) Porifera
(d) Platyhelminthes
(e) None of these

(vi) Nervous system originates from:
(a) Epidermis
(b) Mesodermis
(c) Endodermis
(d) None of these
(e) All of these

(vii) Mammals are characterized by:
(a) Mammary Glands
(b) Hair
(c) All of these
(d) None of these

(viii) Nucleus is not present in RBC of:
(a) Fish
(b) Snake
(c) Bird
(d) Mammal
(e) None of these

(ix) Scales in fish derive their origin from:
(a) Epidermis
(b) Mesodermis
(c) Endodermis
(d) None of these

(x) Sound in insect is produced through:
(a) Mouth
(b) Tracheal movements
(c) Wing beat
(d) None of these

(xi) Sole of foot in man has ______ location:
(a) Dorsal
(b) Ventral
(c) lateral
(d) None of these

(xii) Coelome in adult mammals is represented by:
(a) Visceral cavity
(b) Cavity in brain
(c) Both of these
(d) None of these

(xiii) The Skelton in insects is:
(a) Exoskeleton
(b) Endoskeleton
(c) None of these
(d) Both of these

(xiv) Sea horse is included in:
(a) Mammals
(b) Fish
(c) Reptiles
(d) None of these

(xv) Circulatory system is open type in:
(a) Annelida
(b) Insecta
(c) Mammals
(d) None of these

(xvi) The body cavity is regarded as pseudocoele in Nematodes because:
(a) Has ectodermal origin
(b) Not completely lined by Mesodermal epithelium
(c) Has endodermal origin
(d) None of these
(e) All of these

(xvii) True metaneric segmentation is characteristic of:
(a) Molluses
(b) Annelida
(c) Arthropoda
(d) None of these

(xviii) Hollow dorsal nervous system is present in:
(a) Amphiexus
(b) Fish
(c) Mammals
(c) None of these
(e) All of these

(xix) Contractile vacuole in protozoa is mainly responsible for:
(a) Excretion
(b) Osmoregulation
(c) respiration
(d) None of these

(xx) Scorpion is included in:
(a) Insecta
(b) Arachnida
(c) Echinodermata
(d) None of these

(i) Cell membrane is formed of:
(a) Carbohydrate
(b) Lipid
(c) Protein
(d) Lipoprotein
(e) None of these

(ii) Electron transport chain reaction occur in:
(a) Cell membrane
(b) Cell wall
(c) Endoplasm
(d) Mitochondrion
(e) None of these

(iii) Ribosomes in cell are responsible for:
(a) Protein formation
(b) Glycolysis
(c) Lipid breakdown
(d) All of these
(e) None of these

(iv) Golgi complex is responsible for:
(a) Carbohydrate metabolism
(b) Protein synthesis
(c) Lipid synthesis
(d) None of these
(e) All of these

(v) Basic excretory chemicals in all the cells is:
(a) Urea
(b) Uric acid
(c) Ammonia
(d) None of these
(e) All of these

(vi) Oxygen transport from lungs to tissue occurs through:
(a) Difference in pressure
(b) Solubility in plasma
(c) Attachment with RBC surface
(d) None of these
(e) All of these

(vii) FSH (Follicle Stimulating Hormone) is produced in:
(a) Ovary
(b) Hypothalamus
(c) Pituatary
(d) None of these
(e) All of these

(viii) Lipase is an enzyme responsible for:
(a) Carbohydrate metabolism
(b) Lipid breakdown
(c) Protein breakdown
(d) None of these

(ix) Law of segregation is applicable to:
(a) Homozygous individual
(b) Heterozygous individual
(c) Both Homozygous and heterozygous
(d) None of these

(x) Sex linked genes concern:
(a) Sex characters
(b) Somatic character
(c) Mostly somatic character
(d) None of these

(xi) XXY individual in man is a phenotypic male, because:
(a) Two X chromosomes are present
(b) Y-chromosome is present
(c) Both X and Y chromosomes are present
(d) None of these

(xii) Trisomic condition can be produced through:
(a) Primary Non-disjunction
(b) Secondary non-disjunction
(c) Both a and b
(d) None of these

(xiii) First living organism on this planet was:
(a) A protozoan
(b) An algae
(c) Bacteria
(d) A virus
(e) None of these

(xiv) Theory of Natural Selection was proposed by:
(a) Charles Darwin
(b) A.R. Wallace
(c) Both a and b
(d) None of these

(xv) Lamarck’s theory of inheritance of acquired characters says:
(a) Environment forces a character
(b) Environment selects a character
(c) Environment has no effect
(d) None of these

(xvi) Orthoselection means:
(a) Selection occurring at different times
(b) Selection occurring at different rates
(c) Selection occurring in one direction
(d) None of these
(e) All of these

(xvii) Haeckle’s biogenetic law says:
(a) Ontogeny repeats phylogeny
(b) Phylogeny repeats ontogeny
(c) None of these
(d) Both a and b together

(xviii) Ecosystem is a system involving biotic and abiotic components which:
(a) Interact
(b) Interact for energy flow
(c) No interaction
(d) None of these

(xix) Nitrogen biogeochemical cycle is regarded as gasous cycle because:
(a) Nitrogen is a gas
(b) Recycling is almost complete
(c) Major part of cycle is in gasous state
(d) None of these

(xx) Raw material for evolution are variation, which are produced through:
(a) Gene mutation
(b) Chromosomal aberration
(c) Both a and b
(d) None of these

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