NEET Biology MCQ - Biological Classification Animals II MCQ - Quiz-1 Solution

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

29%
a) a → iii; b → ii; c → i; d → iv;
27%
b) a → ii; b → i; c → iii; d → iv;
19%
c) a → i; b → iii; c → ii; d → iv;
24%
d) a → iv; b → i; c → ii; d → iii;

Explanation

Q.2.

Which one of these animals is not a homeotherm ? [NEET 2018]

20%
a) Camelus
32%
b) Chelone
30%
c) Macropus
18%
d) Psittacula

Explanation

Q.3.

Which of the following is false regarding sponges?

18%
a) Digestion is intracellular.
19%
b) They are generally unsymmetrical and marine.
37%
c) Fertilization is external.
26%
d) Development is indirect having a larval stage which is morphologically distinct from the adult.

Explanation

Q.4.

Pseudocoelom develops from

13%
a) Blastopore lip
23%
b) Archenteron
43%
c) Embryonic mesoderm
21%
d) Blastocoel

Explanation

Q.5.

Phylum Arthropoda is the largest phylum in the animal kingdom. Which is the second largest phylum:

38%
a) Mollusca
27%
b) Annelida
23%
c) Hemichordata
12%
d) Echinodermata

Explanation

Q.6.

Arms are absent in

15%
a) Sea uricin
16%
b) Sea cucumber
61%
c) Both (a) and (b)
8%
d) Human

Explanation

Q.7.

Pseudo metamerism occur in

13%
a) Turbellaria
19%
b) Trematoda
26%
c) Cestoda
42%
d) All of these

Explanation

Q.8.

Sponges reproduce asexually by:

26%
a) Binary fission
17%
b) Multiple fission
40%
c) Fragmentation
17%
d) Sporulation

Explanation

Q.9.

Which of the following phyla is correctly matched with its two general characters:

24%
a) Mollusca – Oviparous and indirect development
33%
b) Arthropoda – Chitinous exoskeleton and closed type of circulatory system.
25%
c) Cnidaria – Triploblasty, radial symmetry and gastrovascular cavity.
18%
d) Echinodermata – Water vascular system and internal fertilization.

Explanation

Q.10.

Which of the following is not an annelidian character?

24%
a) Tripploblastic body
37%
b) Enterocoel
25%
c) Metamerism
14%
d) Bilateral symmetry

Explanation

Q.11.

Give the correct matching of causative agent/germ and disease

30%
a) Anopheles – Malaria
26%
b) Leishmania –Sleeping sickness
23%
c) Glossina – Kala-azar
21%
d) Wuchereria – Filariasis

Explanation

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

29%
a) Nymph
17%
b) Grub
42%
c) Caterpillar
12%
d) Maggot

Explanation

Q.13.

Intermediate between diploblastic and triploblastic body structure is found in

21%
a) Porifers
30%
b) Coelenterates
29%
c) Ctenphores
20%
d) Platyhelmintes

Explanation

Q.14.

In which of the following groups all animals are triploblastic:

16%
a) Annelida, Mollusca, Porifera
22%
b) Arthropoda, Cnidaria, Annelida.
46%
c) Mollusca, Echinodermata, Annelida.
16%
d) Mollusca, Ctenophora, Arthropoda.

Explanation

Q.15.

Of the following which is not a deuterostome

29%
a) Pila
23%
b) Asterias
31%
c) Scoliodon
17%
d) Balanoglossus

Explanation

Q.16.

If Hydra is broken into two pieces

26%
a) Hydra will undergo sexual reproduction
48%
b) Every fragment will grow into complete Hydra
16%
c) Some fragments will form complete Hydra
11%
d) Hydra will die

Explanation

Q.17.

Development of blastopore into anus is seen in

17%
a) Hydra
38%
b) Octopus (Mollusca)
27%
c) Nereis
17%
d) Ophiothrix

Explanation

Q.18.

A sectorial mouth is present in

16%
a) Tapeworm
28%
b) Earthworm
19%
c) Ascaris
37%
d) Leech

Explanation

Q.19.

In hydra:

22%
a) Egestion occurs through general body surface and excretion through hypostome.
26%
b) Egestion occurs through basal disc and excretion through general body surface.
25%
c) Egestion and excretion occurs through general body surface
26%
d) Egestion occurs through hypostome and excretion through general body surface

Explanation

Q.20.

An enterocoelomate invertebrate group is

20%
a) Annelida
39%
b) Echinodermata
22%
c) Arthropoda
19%
d) Mollusca

Explanation

Q.21.

Eye of the molluscan group that resembles vertebrate eyes

17%
a) Pelecypoda
44%
b) Cephalopoda
27%
c) Gastropoda
12%
d) Scaphopoda

Explanation

Q.22.

Fresh water polyp is

39%
a) Hydra
25%
b) Aurelia
23%
c) Physalia
12%
d) Obelia

Explanation

Q.23.

Heart of hemichordates is

34%
a) Ventral
32%
b) Dorsal
20%
c) Lateral
14%
d) Absent

Explanation

Q.24.

Hemichordata was earlier considered as a sub-phylum under phylum chordata because:

32%
a) Presence of stomochord which appeared similar to notochord.
28%
b) Presence of epidermal nervous system.
24%
c) Presence of external fertilization and indirect development.
17%
d) Presence of notochord which is endodermally derived.

Explanation

Q.25.

Simplest type of canal system is

31%
a) Asconoid
27%
b) Sycanoid
26%
c) Leuconoid
17%
d) Rhagon type

Explanation

Q.26.

Which of the following is a matching set of animals regarding their symmetry?

35%
a) Sycon, Pila, Loligo.
24%
b) Aplysia, Echinus, Ascaris.
25%
c) Dentalium, Laccifer, Taenia.
15%
d) Adamsia, Chaetopleura, Fasciola.

Explanation

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

20%
a) A
31%
b) B
31%
c) C
17%
d) D

Explanation

Q.28.

Alimentary canal is absent in

19%
a) Taenia and Schistosoma
34%
b) Ascaris and Fasciola
29%
c) Taenia and Echinococcus
18%
d) Tricuris and Fasciola

Explanation

Q.29.

Neural system of annelids is:

23%
a) Paired ganglia connected by dorsal nerve to a double ventral nerve cord.
28%
b) An unpaired ganglia connected by lateral nerves to a single ventral nerve cord.
33%
c) Paired ganglia connected by lateral nerves to a single dorsal nerve cord.
16%
d) Paired ganglia connected by lateral nerves to a double ventral nerve cord.

Explanation

Q.30.

Which of the following are the true secretions of silkworm And honeybee ?

13%
a) Lac only
41%
b) Silk and honey
22%
c) Honey and silk
25%
d) Silk and Wax

Explanation

Support mcqgeeks.com by disabling your adblocker.