Avi biology

Delhi

BIOLOGYTEST
Entrance Exam - NEET-UG
Time Allowed: 1 hour Maximum Marks: 240
1. The organ system of level of organisation is not found in: [4]

a) Annelids b) Echinoderms

c) Chordates d) Ctenophores

2. How many statements are true for level of organisation of animals? [4]
i. Sponges exhibit cellular level of organisation.
ii. Coelenterates exhibit tissue level of organisation.
iii. Organ level is exhibited by members of Platyhelminthes.
iv. Annelids, Arthropods, Molluscs, Echinoderms and Chordates exhibited organ
system level of organisation.
v. Hemichordates exhibit organ level of organisation.

a) Three b) One

c) Five d) Four

3. The digestive system is incomplete in: [4]

a) Platyhelminthes b) Chordata

c) Ctenophora d) Porifera

4. The organ system of level of organisation is found in: [4]

a) Arthropods b) All of these

c) Annelids d) Molluscs

5. Choose the wrong statement/s for the symmetry of animals. [4]

i. Sponges are mostly asymmetrical
ii. When any plane passing through the central axis of the body divides the
organism into two identical halves, it is called radial symmetry.
iii. Coelenterates, ctenophores and echinoderms have bilateral symmetry.
 iv. Animals like annelids, arthropods, etc., have radial symmetry.
v. The body can be divided into identical left and right halves in only one plane,
exhibit bilateral symmetry.

a) (ii), (iv) and (v) b) (iii) and (iv)

c) (iii), (iv) and (v) d) (i), (ii), (iii) and (iv)

6. Organisms in which body can be divided into identical left and right halves in only [4]
one plane, are:

a) All of these b) Echinoderms

c) Annelids d) Arthropods

7. Radial symmetry is usually exhibited in animals, which [4]

a) Have ciliary mode of feeding b) Are aquatic

c) Are attached to some d) Are not aquatic

substratum (sedentary)

8. Which of the following is diploblastic animals? [4]

a) Chordates b) Coelenterates

c) Arthropods d) Molluscs

9. Animals in which the developing embryo has a third germinal layer, mesoderm, in [4]
between the ectoderm and endoderm present in:

a) Annelids b) Platyhelminthes

c) Echinoderms d) All of these

10. Assertion (A): Cnidoblasts are present on the tentacles and the body in cnidarians. [4]
Reason (R): Cnidoblasts are used for anchorage, defence and capture of the prey.

a) Both A and R are true and R is b) Both A and R are true but R is
the correct explanation of A. not the correct explanation of
A.

c) A is true but R is false. d) A is false but R is true.

11. Which phyla does not possess a coelom? [4]

 a) Mollusca b) Annelida

c) Echinodermata d) Platyhelminthes

12. Given diagrams shows the coelom of animals. Which of the following option is [4]
correct regarding coelom with examples?

a) I-Hookworm, II-Pleurobrachia, b) I-Ascaris, II-Snail, III-Taenia

III-Fasciola

c) I-Wuchereria, II-Locust, III-Sycon d) I-Ancylostoma, II-Earthworm, III-

Aurelia

13. The organisms belonging to following phylum are coelomate (true): [4]

a) Aschelminthes b) Arthropoda

c) Ctenophora d) Platyhelminthes

14. Refer the given figure showing types of coelom and answer the following questions. [4]

Identify the correct figure from the given options.

a) A - Coelomate, B - Pseudo- b) A - Coelomate, B -

coelomate, C - Acoelomate Acoelomate, C - Pseudo-
coelomate

c) A - Pseudo-coelomate, B - d) A - Coelomate, B -
Coelomate, C - Acoelomate Acoelomate, C - Eucoelomate

15. In some animal groups, the body is found divided into compartments with a serial [4]
repetition of at least some organs. This characteristic feature is called:

a) Metagenesis b) Metamerism

c) Metamorphosis d) Segmentation
16. In amphibians syngamy occurs in: [4]

a) In Uterus b) Outside the body

c) Inside the body d) In oviduct

17. Which one of the following statements about certain given animals is correct? [4]
a. Round worms (aschelminthes) are pseudo-coelomates.
b. Molluscs are acoelomates.
c. Insects are pseudo-coelomates.
d. Flat worms (platyhelminthes) are coelomates.

a) Statement a is correct b) Statement b is correct

c) Statement d is correct d) Statement c is correct

18. Flame cells and Malpighian tubules are the analogous organ in [4]

a) Helminths and arthropods with b) Arthropods and other insect

other insect respectively with helminths respectively

c) Insects and arthropods d) Arthropods and

respectively echinodermates respectively

19. Match List - I with List - II [4]

List-I List-II
(a) Physalia (i) Pearl oyster
(b) Limulus (ii) Portuguese Man of War
(c) Ancylostoma (iii) Living fossil
(d) Pinctada (iv) Hookworm

Choose the correct answer from the options given below:

a) (a) - (i), (b) - (iv), (c) - (iii), (d) - b) (a) - (ii), (b) - (iii), (c) - (iv), (d) -
(ii) (i)

c) (a) - (iv), (b) - (i), (c) - (iv), (d) - d) (a) - (ii), (b) - (iii), (c) - (i), (d) -
(i) (iv)

20. The given figures(A and B)show the germinal layer. The animals having structures [4]
shown in the figures are respectively called
 a) Triploblastic, Triploblastic b) Triploblastic, Diploblastic

c) Diploblastic, Triploblastic d) Diploblastic, Diploblastic

21. Which one of the following groups of animals is bilaterally symmetrical and [4]
triploblastic?

a) Sponges b) Coelenterates (cnidarians)

c) Aschelminthes (round worms) d) Ctenophores

22. The members of the following phylum are mostly marine and asymmetrical: [4]

a) Ctenophora b) Coelenterata

c) Porifera d) Echinodermata

23. In Leucosolenia, food is stored in [4]

a) Choanocytes b) Archaeocytes

c) Porocytes d) Amoebocytes

24. In Porifera, water enters into central cavity spongocoel through minute pores in the [4]
body wall called:

a) Ostia b) Osculm

c) Both Ostia and Osculum d) Medriporite

25. Match the entities in Column I with their character in Column II. [4]

Column I Column II
(a) Physalia (i) Sea-pen
(b) Adamsia (ii) Sea-fan
(c) Pennatula (iii) Sea anemone
(d) Gorgonia (iv) Brain coral
 (e) Meandrina (v) Portuguese man of war

a) (a)-(v), (b)-(iii), (c)-(i), (d)-(iv), b) (a)-(iii), (b)-(i), (c)-(ii), (d)-(v), (e)-

(e)-(ii) (iv)

c) (a)-(v), (b)-(iii), (c)-(i), (d)-(ii), (e)- d) (a)-(v), (b)-(i), (c)-(ii), (d)-(iii), (e)-
(iv) (iv)

26. Which of the following is correct about nematocyst? [4]

a) Its ejection is conditioned reflex b) It is ejected on contact and

pierce the prey

c) It is an organ of only defence d) It can be re-used

27. Budding is a common method of asexual reproduction. It is found in: [4]

a) Star fish and Hydra b) Hydra and sponge

c) Sponge and star fish d) Tapeworm and Hydra

28. Which of the following statements about Ctenophores is true? [4]

i. Ctenophores, commonly known as sea walnuts or comb jellies.
ii. Ctenophores are exclusively marine.
iii. The body bears six external rows of ciliated comb plates, which help in
locomotion.
iv. Bioluminescence is well-marked in ctenophores.
v. Sexes are separate and fertilisation is external.

a) (i), (ii), (iii) and (v) b) (iii) and (v)

c) (i), (ii) and (iv) d) (i), (ii), (iii) and (iv)

29. Comb jellies or sea walnuts belongs to: [4]

a) Ctenophora b) Corals

c) Cnidaria d) Porifera

30. Extracellular and intracellular digestion is found in: [4]

a) Ctenoplana b) Meandrina

c) Snail d) More than one are correct

31. Select the wrong statements for Platyhelminthes. [4]
i. These are mostly endoparasites found in animals including human beings.
ii. Hooks and suckers are present in the parasitic forms.
iii. Some absorb nutrients from the host directly through their suckers.
iv. Specialised cells called flame cells help in osmoregulation and excretion.
v. Sexes are separate, fertilisation is internal and development is through many
larval stages.

a) (iii) and (v) b) (iii), (iv) and (v)

c) (ii), (iv) and (v) d) (i), (iii) and (v)

32. Which of the following is an incorrect statement regarding flatworms? [4]

a. They are acoelomates.
b. They are bilaterally symmetrical.
c. They lack a digestive system.
d. They have a circulatory system.

a) Statement c is incorrect b) Statement b is incorrect

c) Statement d is incorrect d) Statement a is incorrect

33. The correct sequence of various larvae in liver fluke is: [4]

a) Sporocyst, redia, miracidium, b) Miracidium, sporocyst, cercaria,

cercaria, metacercaria redia, metacercaria

c) Miracidium, sporocyst, redia, d) Miracidiun, cercamia, redia,

cercaria, metacercaria metacercaria, sporocyst

34. One of the following organisms can be traced in lymph nodes: [4]

a) Diplococcus b) Taenia

c) Wuchereria d) Plasmodium

35. Alimentary canal is complete with a well developed muscular pharynx in: [4]

a) Ancylosyoma b) Wuchereia

c) Ascaris d) All of these

36. Select true statements for Aschelminthes. [4]

 i. The alimentary canal is complete with a well developed muscular pharynx.
ii. An excretory tube removes body wastes from the body cavity through the
excretory pore.
iii. They may be free-living, aquatic and terrestrial or parasitic in plants and animals.
iv. They are monoecious, fertilisation is internal and development may be direct or
indirect.
v. Ancylostoma is bilaterally symmetrical, triploblastic and pseudocoelomate
animals.

a) (i), (ii), (iii) and (v) b) (i), (ii) and (iii)

c) (i), (ii), (iii) and (iv) d) All of these

37. Segmentation in the body is first observed in which of the following: [4]

a) Aschelminthes b) Arthropoda

c) Platyhelminthes d) Annelida

38. In which of the following organisms sexes are not separate? [4]

a) Ascaris b) Pheretima

c) Pila d) Cockroach

39. Botryoidal tissue is found in: [4]

a) Alimentary canal of earthworm b) Haemocoel of cockroach

c) Coelomic space of leech d) Coelomic cavity of earthworm

40. Which of the following options does correctly represent the characteristic features [4]
of phylum Annelida?

a) Triploblastic, flattened body b) Triploblastic, unsegmented

and acoelomate condition. body and bilaterally
symmetrical.

c) Diploblastic, mostly marine and d) Triploblastic, segmented body

radially symmetrical. and bilaterally symmetrical.

41. Which one of the following has the highest number of species in nature? [4]

a) Fungi b) Mammals
 c) Birds d) Insects

42. What is the main excretory organ in insects? [4]

a) Excretory pore b) Gills

c) Malphighian tubules d) Proboscis gland

43. Which of the following happens in the common cockroach? [4]

a) Oxygen is transported by b) The food is ground by

haemoglobin in blood. mandibles and gizzard.

c) Malpighian tubules are d) Nitrogenous excretory product

excretory organs projecting out is urea.
from the colon.

44. The terga, sterna, and pleura of cockroach body are joined by: [4]

a) Cementing glue b) Cartilage

c) Arthrodial membrane d) Muscular tissue

45. Which animal is called as living fossil? [4]

a) Flying fish b) Coelocantha

c) Dodo d) Dog fish

46. Match the animals given in column I with their locomotory organs given in column II [4]
and select the correct option.

Column I (Animals) Column II (Locomotory organ)

A. Octopus (i) Limbs
B. Crocodile (ii) Comb plates
C. Catla (iii) Tentacles
D. Ctenoplana (iv) Fins

a) A-(iv), B-(ii), C-(i), D-(iii) b) A-(i), B-(iii), C-(ii), D-(iv)

c) A-(iii), B-(i), C-(iv), D-(ii) d) A-(ii), B-(i), C-(iii), D-(iv)

47. Assertion (A): All Pila are ammonotelic. [4]

Reason (R): Pila excretes uric acid.
 a) Both A and R are true and R is b) Both A and R are true but R is
the correct explanation of A. not the correct explanation of
A.

c) A is true but R is false. d) A is false but R is true.

48. In which of the following adults are radially symmetrical but larvae are bilaterally [4]
symmetrical?

a) Echinoderms b) Molluscs

c) Annelids d) Hemichordates

49. Which character is common in phylum Echinodermata and Chordata? [4]

a) Mouth arises from blastopore or b) Presence of notochord

anterior margin of blastopore
(Protostomial)

c) Mouth arises some distance d) Presence of pharyngeal gill slits

away from blastopore
(Deuterostomial)

50. Assertion (A): The most distinctive feature of echinoderms is the presence of the [4]
water vascular system.
Reason (R): The water vascular system helps in locomotion, capture, and transport
of food and respiration.

a) Both A and R are true and R is b) Both A and R are true but R is
the correct explanation of A. not the correct explanation of
A.

c) A is true but R is false. d) A is false but R is true.

51. Which of the following organisms is triploblastic, bilaterally symmetrical and marine [4]
and respires through gills?

a) Hirudinaria b) Balanoglossus

c) Echinus d) Physalia

52. The body of Hemichordates is cylindrical and is composed of which of the following [4]
structures?

a) Collar b) Proboscis
 c) All of these d) Trunk

53. Which one of the following does not belonging to Urochordata? [4]

a) Lancelet b) Ascidia

c) Doliolum d) Salpa

54. Which of the following pairs of animals has non-glandular skin? [4]

a) Frog and Pigeon b) Snake and Frog

c) Crocodile and Tiger d) Chameleon and Turtle

55. Which exhibits relationship similar to mammalia in respect to chordata? [4]

a) Periplanata to insects b) Ophidia to snakes

c) Trematoda to platyhelminthes d) Cataceae to vertebrate

56. Which of the following is known as sting ray? [4]

a) Trygon b) Torpedo

c) Carcharodon d) Scoliodon

57. An example of class mammalia: [4]

a) planorbids b) Manis

c) Plenorbis d) Hydrophis

58. In addition to annelida and arthropoda segmentation is found in: [4]

a) Chordata b) Mollusca

c) Acanthocephala d) Cestoda

59. Which one of the following pairs of animals comprises jawless fishes? [4]

a) Mackerals and Rohu b) Lampreys and eels

c) Guppies and hagfishes d) Lampreys and hagfishes

60. Assertion (A): Psittacula and Struthio are a member of Aves. [4]
Reason (R): The forelimbs are modified into wings and both of them can fly.
a) Both A and R are true and R is b) Both A and R are true but R is
the correct explanation of A. not the correct explanation of
A.

c) A is true but R is false. d) A is false but R is true.