Animal Classification and Phylogenetics - Animal Diversity - Life Sciences Previous Year Questions

1

2007 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2007

Which of the following fish is considered to be a ‘living fossil’ ?

A

Protopterus

B

Lepidosiren

C

Latimeria

D

Neoceratodus

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2

2007 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2007

Many fishes are able to live outside water with the help of special air chambers above the gills. Which one of the following fish does not have same adaptation?

A

Anabas

B

Sacobranchus

C

Gobius

D

Clarias

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3

2010 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2010

Acoelomates are characterized by

A

The absence of cavity surrounding the internal organs

B

The presence of huge body cavity, as in case of terrestrial animals

C

The presence of air sacs, as in case of birds

D

the absence of brain in a group of extinct species

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4

2010 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2010

Identify the phylum that is characterized by the animals that have segmented appendages.

A

Cnidaria

B

Porifera

C

Arthropoda

D

Mollusca

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5

2011 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2011

Which one of the following is an example of eumetazoans?

A

Dictyostelium

B

Hydra

C

Sponges

D

Volvox

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6

2011 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2011

Which one of the following is characteristic of deuterostomes?

A

Radially symmetric body

B

Bilaterally symmetric body

C

Presence of well-defined digestive system

D

Formation of anus from blastopore

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7

2012 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2012

Match the Phylum in Group I with their characteristic motility appendage listed in Group II
Group I
P. Archaezoa
Q. Amoebozoa
R. Ciliophora
S. Apicomplexa
Group II
I. Flagella
II. Fimbriae
III. Pseudopods
IV. Cilia
V. Pili

A

P-V, Q-II, R-IV, S-IV

B

P-II, Q-I, R-IV, S-III

C

P-I, Q-III, R-IV, S-I

D

P-III, Q-II, R-IV, S-V

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8

2012 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2012

Lamprey, a jawless fish, belongs to which one of the following ‘Classes’?

A

Myxini

B

Cephalaspidomorphi

C

Conodonta

D

Anaspida

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9

2013 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2013

Which of the following most accurately states the goal of systematics?

A

Classification scheme should reflect phylogenetic relationship

B

All animals should be classified based on the relatedness at the early embryonic stage

C

All animals should be grouped based on DNA sequence data

D

Classification of animals should be based on morphological characters

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10

2014 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2014

Which ONE of the following animals has "Osculum" as an excretory structure?

A

Hydra

B

Sponge

C

Jelly Fish

D

Sea pen

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11

2015 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2015

The classical way of representing taxonomic hierarchy of living organisms in ASCENDING ORDER is

A

genus, species, class, order, family

B

species, genus, order, family, class

C

species, genus, family, order, class

D

genus, species, order, class, family

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12

2015 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2015

Match the species names with class names
P. Calotes versicolor      i. Insecta
Q. Periplaneta americana      ii. Reptilia
R. Glyphidrilus birmancus      iii. Actinopterygii
S. Clarias batracus      iv. Clitellata

A

P-ii; Q-i; R-iv; S-iii

B

P-i; Q-ii; R-iii; S-iv

C

P-ii; Q-i; R-iii; S-iv

D

P-iii; Q-i; R-ii; S-iv

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13

2016 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2016

Acorn worms (Saccoglossus sp.) belong to which ONE of the following Phyla?

A

Platyhelminthes

B

Achelminthes

C

Hemichordata (Chordata)

D

Annelida

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14

2016 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2016

Given below is the list of animals and their respective characteristics.

Animals	Characteristics
I. Sea anemone	i. Three pairs of jointed legs
II. Bluefly	ii. Diploblastic acoelomate
III. Starfish	iii. Collar cells
IV. Sponge	iv. Tube feet

Which ONE of the following represents the correct match?

A

I-iv; II-i; III-ii; IV-iii

B

I-iii; II-i; III-iv; IV-ii

C

I-ii; II-i; III-iv; IV-iii

D

I-ii; II-i; III-iii; IV-iv

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15

2017 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2017

Unicellular eukaryotic organisms belong to which one of the following kingdoms of classification?

A

Monera

B

Plantae

C

Protista

D

Animalia

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16

2017 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2017

The characteristic feature of deuterostomes is depicted by

A

coelom formed by the hollowing out of a previously solid cord of mesodermal cells

B

spiral and determinate cleavage

C

formation of mouth from blastopore

D

formation of anus from blastopore

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17

2018 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2018

Animals belonging to phylum Echinodermata are closer to chordates than other invertebrate phyla. Which ONE of the following reasons can account for this relatedness?

A

Highly evolved nervous system

B

Radially symmetric body plan

C

Deuterostomic development

D

Well-developed muscles

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18

2018 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2018

Match the organisms listed in Column I with the features listed in Column II

Column I	Column II
I) Tapeworm	(i) Bioluminescence
II) Jellyfish	(ii) Viviparous
III) Trichinella	(iii) Lateral heart
IV) Earthworm	(iv) Microvilli on the body surface

A

I-iii; II-i; III-iv; IV-ii

B

I-ii; II-iv; III-i; IV-iii

C

I-iv; II-i; III-ii; IV-iii

D

I-iv; II-iii; III-ii; IV-i

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19

2019 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2019

The phylum that is characterized by the animals having a “water vascular system” is

A

Cnidaria

B

Annelida

C

Mollusca

D

Echinodermata

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20

2019 · Life Sciences · Animal Diversity · Animal Classification and Phylogenetics

Life Sciences (XL) 2019

Which one of the following animals is named as a “living fossil”, where the animal is persisting above 400 million years without further major morphological evolution?

A

King crabs

B

Porcelain crabs

C

Horseshoe crabs

D

Hermit crabs

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