NEET Biology MCQ - Biological Classification Animals II MCQ - Quiz-5 Solution

Q.1.

Tape worms obtain their food from the host by

34%
a) Sucking
16%
b) Scraping
30%
c) Absorption through integument
19%
d) Autotrophic

Explanation

Q.2.

Which of the following is the incorrect match with respect to larva:

20%
a) Asterias – Bipinnaria Larva
18%
b) Holothuria – Auricularia larva
30%
c) Antedon – Doliolaria larva
32%
d) Echinoidea – Trochophore larva

Explanation

Q.3.

Given below five different animals and some characteristics. From these identify the correct option: Animals: (i) Sea hare. (ii) Acorn worm (iii) Locust. (iv) Pinctada (v) Hook worm. Characteristics: (a) Symmetry (b) Pseudocoelom (c) Ctenidia for respiration. (d) Proboscis gland for excretion (e) Joint appendages.

14%
a) (a) is related to (i) and (v)
38%
b) (a) and (c) are related with (i), (iv) and (v)
31%
c) (d) is related with (ii) and (iii).
17%
d) (a) and (c) related with (i) and (iv)

Explanation

Q.4.

Select the incorrect pair:

19%
a) Metagenesis – Obelia.
14%
b) Metamerism – Pheretima.
36%
c) Diploblastic – Pleurobranchia
31%
d) Monoecious – Neries.

Explanation

Q.5.

Annelids have

24%
a) Tube-within-a-tube plan, unsegmented body and haemocoel
9%
b) Blind sac plan, segmented body and true coelom
30%
c) Tube-within-a-tube plan, metameric segmentation and true coelom
36%
d) Tube-within-a-tube plan, metameric segmentation and enterocoelom

Explanation

Q.6.

Which is not true of Ascaris infection?

20%
a) More common is children
13%
b) Does not produce tonsillitis
27%
c) Number can be 500 – 5000
40%
d) Infection is cured even without medication, if reinfection does not occur

Explanation

Q.7.

Ascaris lumbricoides is

29%
a) Hermaphrodite
21%
b) Sexually dimorphic
21%
c) Polymorphic
29%
d) Sexual undifferentiated

Explanation

Q.8.

The infective stage of Fasciola hepatica is

12%
a) Sporocyst
50%
b) Redia
17%
c) Cercaria
21%
d) Metacercaria

Explanation

Q.9.

Nematocysts of Hydra are important for

23%
a) Digestion of food
18%
b) Testing the quality of food
32%
c) Catching and paralyzing preys
27%
d) Only locomotion

Explanation

Q.10.

Two common character found in centipede, cockroach and crab are

24%
a) Book lungs and antennae
19%
b) Green gland and tracheae
38%
c) Compound eye and anal cerci
19%
d) Jointed legs and chitinous exoskeleton

Explanation

Q.11.

Locomotary structure in Nereis are

28%
a) Pseudopodia
22%
b) Setae
22%
c) Legs
28%
d) Parapodia

Explanation

Q.12.

Euplectella is

18%
a) Shallow sea water sponge
18%
b) Deep sea water sponge
47%
c) Fresh water sponge
18%
d) Terrestrial sponge

Explanation

Q.13.

Veliger is the larval stage in

21%
a) Annelids
29%
b) Molluscs
36%
c) Arthropoda
14%
d) Echinoderms

Explanation

Q.14.

Cockroach, housefly and mosquitoes are insects because they have

20%
a) Chitinous exoskeleton and body divided into head thorax and abdomen
27%
b) Six legs, ocelli and body divided into head, thorax and abdomen
33%
c) Segmented body with jointed feet and chitinous exoskeleton
20%
d) Three pairs of legs, one pair of antennae and flame cells

Explanation

Q.15.

Echinoderms show following characteristics

21%
a) Spiny skin,radial symmetry
36%
b) Smooth skin, radial symmetry
36%
c) Spiny skin , bilateral symmetry
7%
d) Spiny skin, asymmetry

Explanation

Q.16.

Housefly differs from mosquito in having

40%
a) Only three pairs of jointed legs
20%
b) Compound eye
20%
c) Head and thorax fused to form cephalothorax
20%
d) All legs resting upon surface while sitting

Explanation

Q.17.

Which of the following have a radially symmetrical body?

29%
a) Starfish
29%
b) Frog
21%
c) Pigeon
21%
d) Apple snail

Explanation

Q.18.

Most primitive among following mollusc is

27%
a) Nautilus
33%
b) Neopilina
13%
c) Chiton
27%
d) Patella

Explanation

Q.19.

Glass Rope Sponge is

7%
a) Hyalonema
57%
b) Spongia
21%
c) Grantia
14%
d) Leucosolenia

Explanation

Q.20.

Ctenidia in molluscs are

29%
a) Excretory organs
43%
b) Respiratory organs
14%
c) Protective organs
14%
d) Reproductive organs

Explanation

Q.21.

Sponge dispersal occur through

15%
a) Ciliated larva
31%
b) Gemmules
23%
c) Reduction bodies
31%
d) All of these

Explanation

Q.22.

Given are four matched of phyla and their characteristic cells. (1) Coelenterata – Nematocysts. (2) Ctenophora – Solenocytes. (3) Porifera – Choanocytes. (4) Platyhelminthes – Nephrocytes. Mark the option that has both correct matches:

21%
a) (i), (ii)
36%
b) (i), (iii)
21%
c) (ii), (iii)
21%
d) (ii), (iv)

Explanation

Q.23.

Sycon belongs to a group of animals which are best described as:

14%
a) Unicellular or multicellular
21%
b) Multicellular without a gastrovascular cavity
21%
c) Multicellular having no tissue organization
43%
d) Multicellular having tissue organization but no body cavity

Explanation

Q.24.

Find out the incorrect statement about the phylum Arthropoda: (i) They have organ system level of organisation. (ii) The exoskeleton is made up of calcium carbonate. (iii) Development may be direct or indirect. (iv) Fertilization is usually external. (v) They are mostly oviparous.

36%
a) (ii) and (iii) are incorrect.
43%
b) (v) only is incorrect.
14%
c) (iii) and (iv) are incorrect
7%
d) (ii) and (iv) are incorrect

Explanation

Q.25.

Match the following and choose the right option:

Column I	Column II
a) Arthropods	Bilateral symmetry + Acoelom
b) Annelids	Radial symmetry + Enterocoelom
c) Platyhelminthes	Bilateral symmetry + Eucoelom
d) Echinoderms	Bilateral symmetry + Haemocoel
e) Coelenterates	Bilateral symmetry + Pseudocoelom
f) Aschelminthes	Radial symmetry + Acoelom

54%
a) a -1, b - 2, c -3, d - 4, e - 5, f - 6
15%
b) a -3, b - 2, c -1, d - 6, e - 4, f -5
8%
c) a -4, b - 3, c -1, d - 2, e - 6, f - 5
23%
d) a -4, b - 3, c -2, d - 1, e - 6, f - 5

Explanation

Q.26.

Choose the correct character applicable to Ctenophora?

23%
a) Organ system level of organisation
15%
b) Choanocytes are present
38%
c) Triploblastic and bilateral symmetry
23%
d) Bioluminescence is well marked

Explanation

Q.27.

ind out the incorrect statement about the phylum Arthropoda.

7%
a) They are mostly dioecious.
7%
b) Segmented and coelomate animals.
43%
c) Over two-thirds of all named species on earth are arthropods
43%
d) Statocysts or balance organs are absent.

Explanation

Q.28.

The hypnotoxin of Hydra is chemically

17%
a) Steroid
50%
b) Protein + Ascorbic acid
25%
c) Protein + Phenol
8%
d) Proteins + Formic acid

Explanation

Q.29.

habditoid/rhabditiform larva occurs in life cycle of

33%
a) Liver fluke
17%
b) Ascaris
42%
c) Tapeworm
8%
d) Planaria

Explanation

Q.30.

Number of tentacles in a polyp of Obelia is

14%
a) 5-10
43%
b) 10-15
21%
c) 10-20
21%
d) 20-30

Explanation

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