NEET Biology MCQ - Biological Classification Animals II MCQ - Quiz-3 Solution

Q.1.

Sea Anemone is member of calss

25%
a) Hydrozoa
23%
b) Scyphozoa
23%
c) Anthozoa/Actonozoa
29%
d) All of the above

Explanation

Q.2.

Which of the following molluscs have asymmetry due to torsion?

34%
a) Pila
27%
b) Teredo
21%
c) Dentalium
18%
d) Octopus

Explanation

Q.3.

Which of the following is not associated with Hemichordata?

28%
a) Anterior region consists of proboscis.
28%
b) Indirect development.
28%
c) Organ system level of organization.
17%
d) They are monoecious.

Explanation

Q.4.

Prawn and cockroach belong to same

10%
a) Order
25%
b) Family
23%
c) Class
42%
d) Phylum

Explanation

Q.5.

Chalina is

12%
a) Porifera
29%
b) DeadMan’s fingure
29%
c) Mermaid’s Glove
31%
d) All of the these

Explanation

Q.6.

In how many of the following animals is bioluminescence visible: Aurelia, Fasciola, Pleurobranchia, Ctenoplana, Pyrosoma, Ascaris, Pheretima.

17%
a) 4
15%
b) 7
44%
c) 3
24%
d) 2

Explanation

Q.7.

Green glands present in some arthropods help in

32%
a) Respiration
17%
b) Digestion
12%
c) Excretion
39%
d) Provide green colour to body

Explanation

Q.8.

The green colour of Hydra viridis (Chlorohydra viridissima) is due to

19%
a) Chloroplasts
22%
b) Pigment
25%
c) Zoochlorella
34%
d) All of the above

Explanation

Q.9.

Coxal glands are excretory organs in

15%
a) Birds
30%
b) Porifera
42%
c) Scorpions
12%
d) Annelida

Explanation

Q.10.

Name the worm-like mollusc with tube like shell and no respiratory organ

25%
a) Chiton
28%
b) Chaetoderma
25%
c) Neopilina
22%
d) Dentalium

Explanation

Q.11.

Find the incorrect matching:

13%
a) Choanocytes – cells that line the canals and Spongocoel of sponges.
35%
b) Cnidoblast – Defensive weapons mostly found in the tentacles of comb jellies
26%
c) Comb plates – Ciliated plates that aid in locomotion in sea walnuts.
26%
d) Radula – Rasping tongue that aids in feeding in Mollusca.

Explanation

Q.12.

Centipedes and millipedes belongs to the class

25%
a) Insecta
31%
b) Myriapoda
22%
c) Crustacea
22%
d) Arachnida

Explanation

Q.13.

The characters like hard exoskeleton, cephalothorax, gills for respiration are present in which of the following

30%
a) Insecta
33%
b) Myriapoda
19%
c) Crustacea
19%
d) Polychaeta

Explanation

Q.14.

Which of the following groups of systems are absent in Platyhelminthes:

15%
a) Skeletal, circulatory, digestive
33%
b) Respiratory, excretory, digestive.
30%
c) Digestive, nervous, reproductive.
22%
d) Skeletal, respiratory, circulatory.

Explanation

Q.15.

Which group of animals belongs to the same phylum:

17%
a) Limulus, Sepia, Aplysia.
21%
b) Cucumaria, Antedon, Ophiura.
45%
c) Sepia, Aplysia, Taenia.
17%
d) Euplectella, Pleurobranchia, Euspongia.

Explanation

Q.16.

Nervous system of Hydra is made up of

21%
a) Ganglionated nerve cords
25%
b) Well-defined nerves
39%
c) Polarized nerve cells
14%
d) Non-polar nerve cells

Explanation

Q.17.

Select the phylum with wrong examples:

18%
a) Aschelminthes – Wuchereria.
36%
b) Arthropoda – Locusta.
32%
c) Platyhelminthes – Pleurobranchia.
14%
d) Coelenterata – Physalia.

Explanation

Q.18.

Sponges with skeleton of only spongin fibres occur in

15%
a) Calcarea
12%
b) Demospongiae
27%
c) Hexactinellida
46%
d) All the above

Explanation

Q.19.

Euplectella belongs to class

16%
a) Homocoela – calcarea
32%
b) Hexactinellida
28%
c) Demospongiae
24%
d) Hydrozoa

Explanation

Q.20.

The female of Ascaris worms are:

21%
a) Longer than males
42%
b) Shorter than males.
8%
c) Of same size of males
29%
d) Round in shape

Explanation

Q.21.

Which of the following statements about molluscs are true/false: (i) In Molluscs gills have respiratory and excretory function. (ii) They are basically oviparous. (iii) In Molluscs the posterior region has sensory tentacles. (iv) Mantle cavity contains file like rasping organ for feeding called Radula. (v) They are triploblastic coelomates and usually with bilateral symmetry.

14%
a) (i), (ii) and (iii) are true but (iv) and (v) are false.
46%
b) (ii), (iii) and (iv) are true but (i) and (v) are false.
25%
c) (i), (ii) and (v) are true but (iii) and (iv) are false.
14%
d) (ii) and (iv) are true but (i), (iii) and (v) are false.

Explanation

Q.22.

Which of the following characters distinguish a hemichordate from a chordate?

16%
a) Presence of external fertilization and indirect development
24%
b) Absence of paired pharyngeal gill slits and post anal tail.
40%
c) Presence of epidermal nervous system
20%
d) Absence of bilateral symmetry and open circulation.

Explanation

Q.23.

The body of arthropods is covered by:

26%
a) Calcareous shell
43%
b) Chitinous exoskeleton
17%
c) Calcium carbonate
13%
d) Calcium phosphate

Explanation

Q.24.

Flame cells are the excretory organs in:

13%
a) Protozoans
13%
b) Cnidarians
61%
c) Flatworms
13%
d) Amphibians

Explanation

Q.25.

Cnidarians among the following list are: (i) Physalia (ii) Fasciola (iii) Sycon (iv) Branchiostoma (v)Meandrina (vi) Antedon (vii) Pennatula (viii) Pinctada.

12%
a) (i), (iv), (v), (viii)
33%
b) (i), (v), (vii)
46%
c) (ii), (vi), (v), (vii)
8%
d) (i), (v), (vi), (viii)

Explanation

Q.26.

Match the phyla given in column I with their characteristics features in column II.

Column I	Column II
a. Porifera	Segments as rings
b. Cnidaria	Presence of comb plates with cilia
c. Ctenophora	Appear to be rounded in cross section
d. Platyhelminthes	Presence of stinging cells
e. Aschelminthes	Presence of tiny ostia and wide osculum as opening
f. Annelida	Dorsoventrally flattened animals

22%
a) a →5 ,b →4 ,c → 2,d →6 ,e →3 ,f →
26%
b) a →5 ,b →4 ,c →2 ,d →1 ,e →3 ,f →6
35%
c) a →5 ,b →3 ,c →2 ,d → 1 ,e →4 ,f → 6
17%
d) a →5 ,b →6 ,c → 2 ,d →4 ,e →3 ,f → 1

Explanation

Q.27.

The larvae of echinoderms are

40%
a) Brachiolaria and Auricularia
20%
b) Trochophore and Pluteus
28%
c) Veliger and Ephyra
12%
d) Parenchymula and Cercaria

Explanation

Q.28.

The intercommunication cavities in the body of a sponge constitute

27%
a) Water vascular system
31%
b) Canal system
12%
c) Circulating system
31%
d) All of these

Explanation

Q.29.

Select the correct statements from the following; (i) All sponges are showing asymmetry and calcareous Spicules. (ii) Calcareous ossicles are endoskeleton in Antedon, Asteropecten and Neopilina. (iii) Osphradium in shelled organisms help for testing the chemical nature of water. (iv) Fasciola infects its primary host and intermediate host in onchosphere and cysticercus larva respectively. (v) Most of the triploblastic animals are protostomes and enterocoelomates.

20%
a) (i), (ii) and (iii) are correct.
36%
b) (iii) alone is correct
24%
c) (iii) and (iv) are correct
20%
d) All are correct.

Explanation

Q.30.

If the skin of the earthworm dries, it dies due to

30%
a) Dehydration
22%
b) Toxicity
37%
c) Starvation
11%
d) Asphyxia

Explanation

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