Q.1
Match the following columns and select the correct option. [NEET 2020]
Column-I Column-II
(a) Gregarious, polyphagous pest (i) Asterias
(b) Adult with radial symmetry and larva with bilateral symmetry (ii) Scorpion
(c) Book lungs (iii) Ctenoplana
(d) Bioluminescence (iv) Locusta
  • a) a → iii; b → ii; c → i; d → iv;
  • b) a → ii; b → i; c → iii; d → iv;
  • c) a → i; b → iii; c → ii; d → iv;
  • d) a → iv; b → i; c → ii; d → iii;
Q.2
Which one of these animals is not a homeotherm ? [NEET 2018]
  • a) Camelus
  • b) Chelone
  • c) Macropus
  • d) Psittacula
Q.3
Which of the following is false regarding sponges?
  • a) Digestion is intracellular.
  • b) They are generally unsymmetrical and marine.
  • c) Fertilization is external.
  • d) Development is indirect having a larval stage which is morphologically distinct from the adult.
Q.4
Pseudocoelom develops from
  • a) Blastopore lip
  • b) Archenteron
  • c) Embryonic mesoderm
  • d) Blastocoel
Q.5
Phylum Arthropoda is the largest phylum in the animal kingdom. Which is the second largest phylum:
  • a) Mollusca
  • b) Annelida
  • c) Hemichordata
  • d) Echinodermata
Q.6
Arms are absent in
  • a) Sea uricin
  • b) Sea cucumber
  • c) Both (a) and (b)
  • d) Human
Q.7
Pseudo metamerism occur in
  • a) Turbellaria
  • b) Trematoda
  • c) Cestoda
  • d) All of these
Q.8
Sponges reproduce asexually by:
  • a) Binary fission
  • b) Multiple fission
  • c) Fragmentation
  • d) Sporulation
Q.9
Which of the following phyla is correctly matched with its two general characters:
  • a) Mollusca – Oviparous and indirect development
  • b) Arthropoda – Chitinous exoskeleton and closed type of circulatory system.
  • c) Cnidaria – Triploblasty, radial symmetry and gastrovascular cavity.
  • d) Echinodermata – Water vascular system and internal fertilization.
Q.10
Which of the following is not an annelidian character?
  • a) Tripploblastic body
  • b) Enterocoel
  • c) Metamerism
  • d) Bilateral symmetry
Q.11
Give the correct matching of causative agent/germ and disease
  • a) Anopheles – Malaria
  • b) Leishmania –Sleeping sickness
  • c) Glossina – Kala-azar
  • d) Wuchereria – Filariasis
Q.12
The young of some insects resemble the adult in general structure but lack the wings and lack the wings and mature reproductive organs. Such a young one is called
  • a) Nymph
  • b) Grub
  • c) Caterpillar
  • d) Maggot
Q.13
Intermediate between diploblastic and triploblastic body structure is found in
  • a) Porifers
  • b) Coelenterates
  • c) Ctenphores
  • d) Platyhelmintes
Q.14
In which of the following groups all animals are triploblastic:
  • a) Annelida, Mollusca, Porifera
  • b) Arthropoda, Cnidaria, Annelida.
  • c) Mollusca, Echinodermata, Annelida.
  • d) Mollusca, Ctenophora, Arthropoda.
Q.15
Of the following which is not a deuterostome
  • a) Pila
  • b) Asterias
  • c) Scoliodon
  • d) Balanoglossus
Q.16
If Hydra is broken into two pieces
  • a) Hydra will undergo sexual reproduction
  • b) Every fragment will grow into complete Hydra
  • c) Some fragments will form complete Hydra
  • d) Hydra will die
Q.17
Development of blastopore into anus is seen in
  • a) Hydra
  • b) Octopus (Mollusca)
  • c) Nereis
  • d) Ophiothrix
Q.18
A sectorial mouth is present in
  • a) Tapeworm
  • b) Earthworm
  • c) Ascaris
  • d) Leech
Q.19
In hydra:
  • a) Egestion occurs through general body surface and excretion through hypostome.
  • b) Egestion occurs through basal disc and excretion through general body surface.
  • c) Egestion and excretion occurs through general body surface
  • d) Egestion occurs through hypostome and excretion through general body surface
Q.20
An enterocoelomate invertebrate group is
  • a) Annelida
  • b) Echinodermata
  • c) Arthropoda
  • d) Mollusca
Q.21
Eye of the molluscan group that resembles vertebrate eyes
  • a) Pelecypoda
  • b) Cephalopoda
  • c) Gastropoda
  • d) Scaphopoda
Q.22
Fresh water polyp is
  • a) Hydra
  • b) Aurelia
  • c) Physalia
  • d) Obelia
Q.23
Heart of hemichordates is
  • a) Ventral
  • b) Dorsal
  • c) Lateral
  • d) Absent
Q.24
Hemichordata was earlier considered as a sub-phylum under phylum chordata because:
  • a) Presence of stomochord which appeared similar to notochord.
  • b) Presence of epidermal nervous system.
  • c) Presence of external fertilization and indirect development.
  • d) Presence of notochord which is endodermally derived.
Q.25
Simplest type of canal system is
  • a) Asconoid
  • b) Sycanoid
  • c) Leuconoid
  • d) Rhagon type
Q.26
Which of the following is a matching set of animals regarding their symmetry?
  • a) Sycon, Pila, Loligo.
  • b) Aplysia, Echinus, Ascaris.
  • c) Dentalium, Laccifer, Taenia.
  • d) Adamsia, Chaetopleura, Fasciola.
Q.27
In which of the following, the genus name, its two characteristics and its phylum are correctly matched:
(A)Adamsia Cnidoblast
Medusa		 Coelenterata
(B) Pleurobranchia Comb plates
Bilateral symmetry		 Ctenophores
(C) Locusta Closed circulation
Radula		 Mollusca
(D) Ancylostoma Pseudocoelomates
Dioecious		 Aschelminthes
  • a) A
  • b) B
  • c) C
  • d) D
Q.28
Alimentary canal is absent in
  • a) Taenia and Schistosoma
  • b) Ascaris and Fasciola
  • c) Taenia and Echinococcus
  • d) Tricuris and Fasciola
Q.29
Neural system of annelids is:
  • a) Paired ganglia connected by dorsal nerve to a double ventral nerve cord.
  • b) An unpaired ganglia connected by lateral nerves to a single ventral nerve cord.
  • c) Paired ganglia connected by lateral nerves to a single dorsal nerve cord.
  • d) Paired ganglia connected by lateral nerves to a double ventral nerve cord.
Q.30
Which of the following are the true secretions of silkworm And honeybee ?
  • a) Lac only
  • b) Silk and honey
  • c) Honey and silk
  • d) Silk and Wax
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