Q1) Which among these is the correct combination of aquatic mammals? (NEET 2017)

Seals, Dolphins, Sharks
Dolphins, Seals, Trygon
Whales, Dolphins, Seals
Trygon, Whales, Seals

Q2) An important characteristic that hemichordates share with chordates is(NEET 2017)

Absence of notochord
Ventral tubular nerve chord
Pharynx with gill slits
Pharynx without gill slits

Q3) In case of poriferans, the spongocoel is lined with flagellated cells called (NEET 2017)

Mesenchymal cells

Q4) Which of the following characteristic features always holds true for the corresponding group of animals? (NEET 2016, PHASE I)

Possess a mouth with an upper & a lower jawChordata
3-chambered heart with one incompletely divided  ventricleReptilia
Cartilaginous endoskeletonChondrichthyes


Q5) Which one of the following characteristics is not shared by birds & mammals? (NEET 2016, PHASE I)

  1. Breathing using lungs
  2. Viviparity
  3. Warm-blooded nature
  4. Ossified endoskeleton

Q6) Which of the following features is not present in the phylum-Arthropods? (NEET 2016, PHASE I)

Metameric segmentation
Jointed appendages
Chitinous exoskeleton

Q7) Choose the correct statement. (NEET 2016, PHASE II)

All mammals are viviparous
All cyclostomes do not possess jaws & paired fins
All reptiles have a three-chambered heart
All Pisces have gills covered by an operculum

Q8) Match Column I with Column II for house fly classification & select the correct option using the codes given below. (NEET 2016, PHASE II)

          Column I                        Column II

Family                              1. Diptera
Order                               2. Arthropoda
Class                                3. Muscidae
Phylum                           4. Insecta

 A B C D
 3 1  4 2
 3 2  4 1
 4 3  2 1
 4 2  1 3

Q9) Body having meshwork of cells, internal cavities lined with food filtering flagellated cells & indirect development are the characteristics of a phylum (CBSE AIPMT 2015)


Q10) Metagenesis refers to (CBSE AIPMT 2015)

The presence of different morphic forms
Alternation of generation between asexual & sexual phases of an organism
An occurrence of a drastic change in form during post-embryonic development
The presence of a segmented body & parthenogenetic mode of reproduction

Q11) A jawless fish, which lays eggs in fresh water & whose ammoncoetes larvae after metamorphosis return to the ocean is (CBSE AIPMT 2015)


Q12) Which one of the following living organisms completely lacks a cell wall? (CBSE AIPMT 2014)

Sea-fan (Gorgonia)
Blue-green algae

Q13) Planaria possess a high capacity of (CBSE AIPMT 2014)

Alternation of generation

Q14) A marine cartilaginous fish that can produce electric current is (CBSE AIPMT 2014)


Q15) Select the taxon mentioned that represents both marine & fresh water species (CBSE AIPMT 2014)


Q16) Match the name of the animal (column I) with one characteristic (column II) & the phylum/class (column III) to which it belongs (NEET 2013)

       Column I          Column II  Column III

Petromyzon    Ectoparasite  Cyclostomata
Ichthyophis    Terrestrial    Reptilia
Limulus           Body covered               Pisces
               by chitinous exoskeleton

Adamsia             Radially
                          Symmetrical Porifera

Q17) Which group of animals belong to the same phylum? (NEET 2013)

Malarial parasite, Amoeba, mosquito
Earthworm, pinworm, tapeworm
Prawn, scorpion, Locusta
Sponge, sea anemone, starfish

Q18) One of the representatives of Phylum-Arthropoda is  (NEET 2013)

Silver fish
Puffer fish
Flying fish

Q19) Which of the following are correctly matched with respect to their taxonomic classification? (NEET 2013)

Flying fish, cuttle fish, silver fish- Pisces
Centipede, millipede, spider, scorpion-Insecta
House fly, butterfly, tse-tse fly, silver fish-Insecta
Spiny anteater, sea urchin, sea cucumber- Echinodermata

Q20) Pheretima & its close relatives derive nourishment from (CBSE AIPMT 2012)

Sugarcane roots
Decaying fallen leaves & soil organic matter
Soil insects
Small pieces of freshly fallen leaves of maize

Q21) In which one of the following, the genus name, its two characters & its phylum are not correctly matched, whereas the remaining three are correct? (CBSE AIPMT 2012)

Genus Name        Two characters                          Phylum

 Pila                      i)Body segmented                   Mollusca
                             ii)Mouth with Radula

Asterias               i)Spiny skinned                       Echinodermata
                            ii)Water vascular system

Sycon                  i)Pore bearing                         Porifera
                          Ii)Canal system

Periplaneta      i)Joined appendages                 Arthropoda
                          ii)Chitinous exoskeleton

Q22) Compared to those of humans, the erythrocytes in frog are (CBSE AIPMT 2012)

Without nucleus but with haemoglobin
Nucleated & with haemoglobin
Very much smaller & fewer
Nucleated & without haemoglobin

Q23) Which one of the following have the highest number of species in nature? (CBSE AIPMT 2011)


Q24) One very special feature in the earthworm Pheretima is that (CBSE AIPMT 2011)

The typhlosole greatly increases the effective absorption area of the digested food in the intestine
The S-shaped setae embedded in the integument are the defensive weapons used against the enemies
It has a long dorsal tubular heart
Fertilisation of eggs occurs inside the body

Q25) Which of the following is correctly states as it happens in the common cockroach? (CBSE AIPMT 2011)

Oxygen is transported by haemoglobin in a blood
A nitrogenous excretory product is a urea
The food is ground by mandibles & gizzard
Malphigian tubules are excretory organs projecting out from the colon

Q26) Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception (CBSE AIPMT 2011)

Chordata            – Possess a mouth provided with an upper
                                       & a lower jaw

Chondrichthyes  – Possess cartilaginous endoskeleton
Mammalia          – Give birth to young ones
Reptilia                – Possess 3-chambered heart with one
                                Incompletely divided ventricle

Q27) In which of the following the genus name, its two characters & its class/phylum are correctly matched? (CBSE AIPMT 2011)

Genus                       Two characters           Class/Phylum

Salamandra  i) A tympanum                          Amphibia
                       represents ear
                      ii) Fertilisation is external

Pteropus       i)Skin possesses                    Mammalia
Aurelia          i)Cnidoblast                         Coelenterata
                      ii)Organ level of

Ascaris           i)Body segmented               Annelida
                       ii)Males & females

Q28) What will you look for to identify the sex of the following? (CBSE AIPMT 2011)

Male frog – A copulatory pad on the first digit of the hindlimb
Female cockroach- Anal cerci
Male shark-Claspers borne on pelvic fins
Female ascaris-Sharply curved posterior end

Q29) One example of animal having a single opening to the outside that serves both as mouth as well as anus is (CBSE AIPMT 2010)


  b) Asterias    

c) Ascidia

d) Fasciola

Q30) Which one of the following statements about all the four Spongilla, leech, dolphin, & penguin is correct? (CBSE AIPMT 2010)

Penguin is homeothermic, while the remaining three are poikilothermic
Leech is a freshwater form, while all others are marine
Spongilla has special collared cells called choanocytes, not found in the remaining three
All are bilaterally symmetrical

Q31) Which one of the following kinds of animals are triploblastic? (CBSE AIPMT 2010)


 b) Sponges

c) Ctenophores   

 d) Corals


Q32) Which one of the following statements about certain given animals is correct? (CBSE AIPMT 2010)

Round worms (Aschelminthes) are pseudocoelomates
Molluscs are acoelomates
Insects are pseudocoelomates
Flatworms (Platyhelminthes) are coelomates

Q33) Which one of the following groups of animals is bilaterally symmetrical & triploblastic? (CBSE AIPMT 2009)

Coelentrates (cnidarians)
Aschelminthes (roundworms)

Q34) Which one of the following pairs of an animal comprises ‘jawless fishes’? (CBSE AIPMT 2009)

Lampreys & eels
Mackerals & rohu
Lampreys & hagfishes
Guppies & hagfishes

Q35) If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is (CBSE AIPMT 2009)

Excretory fluid
Coelomic fluid
Slimy mucus

Q36) Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature? (CBSE AIPMT 2008)

              Animals                        Morphological feature

Liver fluke, sea anemone,     –      Bilateral symmetry
Sea cucumber
Centipede, prawn, sea         –   Jointed appendages
Scorpion, spider, cockroach  –  Ventral slid central nervous
Cockroach, locust, Taenia    – Metameric segmentation

Q37) Which one of the following is the true description about an animal concerned? (CBSE AIPMT 2008)

Earthworm – The alimentary canal consists of a sequence of Pharynx, oesophagus, stomach, gizzard & Intestine
Frog – Body divisible into three regions- head, neck & trunk
Rat – Left kidney is slightly higher in position than the right One
Cockroach – 10 pairs of spiracles (2pairs on thorax & 8 pairs on the abdomen)

Q38) Ascaris is characterised by (CBSE AIPMT 2008)

An absence of true coelom but presence of metamerism
Presence of neither true coelom nor metamerism
Presence of true coelom but absence of metamerism
Presence of true coelom & metamerism (metamerisation)

Q39) Which one of the following is not a characteristic of phylum-Annelida? (CBSE AIPMT 2008)

Closed circulatory system
Ventral nerve cord

Q40) Earthworms have no skeleton but during burrowing, the anterior end becomes turgid & acts as a hydraulic skeleton. It is due to (CBSE AIPMT 2008)

Coelomic fluid
Gut peristalsis

Q41) Which one of the following in birds, indicates their reptilian ancestry? (CBSE AIPMT 2008)

Scales on their hindlimbs
Four-chambered heart
Two special chambers crop & gizzard in their digestive tract
Eggs with a calcareous shell

Q42) Which one of the following phyla is correctly matched with its two general characteristics? (CBSE AIPMT 2008)

Arthropoda – Body divided into head, thorax & abdomen &
                          Respiration by tracheae

Chordate – Notochord at some stage & separate anal &
                        Urinary openings to the outside

Echinodermata – Pentamerous radial symmetry & mostly
                                   internal fertilisation

Mollusca – Normally oviparous & development through a
                        trochophore or veliger larva

Q43) What is common between parrot, platypus & kangaroo?  (CBSE AIPMT 2007)

Toothless jaws
Functional post-anal tail

Q44) Which one of the following is a correct matching pair of a body feature & the animal possessing it? (CBSE AIPMT 2007)

Post-anal tail – Octopus
Ventral central nervous system – Leech
Pharyngeal gills slits – Chameleon absent in embryo
Ventral heart – Scorpion

Q45) Which of the following pairs are correctly matched? (CBSE AIPMT 2007)

       Animals                   Morphological features

Crocodile              Four-chambered heart
Sea urchin            Parapodia
Obelia                  Metagenesis
Lemur                 Theocodont
i  ii &  iv
ii  iii &  iv
only i & iv
only i & ii

Q46) What is true about Nereis, scorpion, cockroach & starfish? (CBSE AIPMT 2007)

They all have jointed paired appendages
They all possess a dorsal heart
None of them is aquatic
They all belong to the same phylum

Q47) Which one of the following is a matching set of phylum & its three examples? (CBSE AIPMT 2006)

Cnidaria – Bonellia, Physalia, Aurelia
Platyhelminthes – Planaria, Schistosoma, Entrerobius
Mollusca – Loligo, Teredo, Octopus
Porifera – Spongilla, Euplectella, Pennatula

Q48) Biradial symmetry & lack of cnidoblasts are the characteristics of (CBSE AIPMT 2006)

Starfish & sea anemone
Ctenoplana & Beroe
Aurelia & Paramecium
Hydra & starfish

Q49) In which one of the following sets of animals do all the four give birth to young ones? (CBSE AIPMT 2006)

Lion, bat, whale, ostrich
Platypus, penguin, bat, hippopotamus
Shrew, bat, cat, kiwi
Kangaroo, hedgehog, dolphin, loris

Q50) Two common characters found in centipede, cockroach & crab are (CBSE AIPMT 2006)

Compound eyes & anal cerci
Jointed legs & chitinous exoskeleton
Green gland & tracheae
Book lungs & antennae

Q51) Which of the following unicellular organism has a macro-nucleus for trophic function & one or more macro-nuclei for reproduction? (CBSE AIPMT 2005)


Q52) From the following statements select the wrong one. (CBSE AIPMT 2005)

Millipedes have two pairs of appendages in each segment of the body
Prawn has two pairs of antennae
Animals belonging to phylum-Porifera are exclusively marine
Nematocysts are characteristic of the phylum-Cnidaria

Q53) Which one of the following characters is not typical of the Class-Mammalia? (CBSE AIPMT 2005)

Seven cervical vertebrae
Thecodont dentition
Ten pairs of cranial nerves
Alveolar lungs

Q54) The animal with bilateral symmetry in young stage & radial pentamerous symmetry in the adult stage belong to the phylum (CBSE AIPMT 2004)


Q55) In Arthropoda, head & thorax are often fused to form a cephalothorax, but in which one of the following classes, is the body divided into head, thorax & abdomen? (CBSE AIPMT 2004)

Arachnida & Crustacea

Q56) The presence of gills in the tadpole of frog indicates that (CBSE AIPMT 2004)

Fishes were amphibious in the past
Fishes evolved from frog-like ancestors
Frogs will have gills in future
Frogs evolved from gilled ancestors

Q57) A terrestrial animal must be able to (CBSE AIPMT 2004)

Excrete large amounts of water in urine
Conserve water
Actively pump salts out through the skin
Excrete large amounts of salts in urine

Q58) During its life cycle, Fasciola hepatica (liver fluke) infects its intermediate host & primary host at the following larval stages respectively (CBSE AIPMT 2003)

Metacercaria & cercaria
Miracidium & metacercaria
Redia & miracidium
Cercaria & redia

Q59) Sycon belongs to a group of animals which are best described as (CBSE AIPMT 2003)

Multicellular with a gastrovascular system
Multicellular having tissue organisation, but no body cavity
Unicellular or acellular
Multicellular without any tissue organisation

Q60) Which one of the following is a correct matching pair of an animal & a certain phenomenon it exhibits? (CBSE AIPMT 2003)

Chameleon – Mimicry
Taenia – Polymorphism
Pheretima – Sexual dimorphism
Musca – Complete metamorphosis

Q61) Given below are four matchings of an animal & its kind of respiratory organ (CBSE AIPMT 2003)
Silverfish – trachea
Scorpion – book lung
Sea squirt – pharyngeal gills
Dolphin – skin
The correct matchings are

ii & iv
iii & iv
i & iv
i, ii & iii

Q62) In which animal, a dimorphic nucleus is found? (CBSE AIPMT 2002)

Trypanosome gambiense
Plasmodium vivax
Paramecium caudatum

Q63) In which of the following notochord is present in embryonic stage? (CBSE AIPMT 2002)

All chordates
Some chordates

Q64) In which of the following chlorocruorin pigment is found? (CBSE AIPMT 2001)

Lower chordate

Q65) In which of the following animal, a post-anal tail is found? (CBSE AIPMT 2001)

Lower invertebrate



  1. C
  2. C
  3. C  
  4. D  
  5. B  
  6. B
  7. B
  8. A
  9. B  
  10. D  
  11. B
  12. B  
  13. B
  14. D
  15. A
  16. C
  17. B
  18. C
  19. B
  20. A
  21. B
  22. A
  23. A
  24. C
  25. B
  26. A
  27. C
  28. D
  29. C
  30. A
  31. A
  32. B
  33. C
  34. B
  35. C
  36. D
  37. B
  38. C
  39. A
  40. D
  41. A
  42. A
  43. B
  44. A
  45. C
  46. C
  47. B
  48. D
  49. B
  50. B
  51. C
  52. B
  53. C
  54. D
  55. A
  56. D
  57. B
  58. B
  59. D
  60. D
  61. D
  62. D 
  63. A 
  64. A
  65. D