Which one of the following statements about all the four of Spongilla, leech, dolphin and penguin is correct?

1. Penguin is homeothermic while the remaining three are poikilothermic
2. leech is a fresh water form while all others are marine
3. Spongilla has special collared cells called choanocytes, not found in the remaining three
4. All are bilaterally symmetrical

Subtopic:  Phylum Porifera |
 82%
From NCERT
NEET - 2010
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Which one of the following kinds of animals are triploblastic?

(1) Flat worms

(2) Sponges

(3) Ctenophores

(4) Corals

Subtopic:  Phylum Ctenophora & Platyhelminthes |
 86%
From NCERT
NEET - 2010
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Which one of the following statements about certain given animals is correct?

1. Round worms (Aschelminthes) are pseudocoelomates

2. Molluscs are acoelomates

3. Insects are pseudocoelomates

4. Flat worms (Platyhelminthes) are coelomates

Subtopic:  Phylum Aschelminthes |
 90%
From NCERT
NEET - 2010
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Which one of the following groups of animals is bilaterally symmetrical and triploblastic?

(1) Coelenterates (cnidarians)

(2) Aschelminthes (round worms)

(3) Ctenophores

(4) Sponges

Subtopic:  Phylum Aschelminthes |
 91%
From NCERT
NEET - 2009
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Which one of the following pairs of animal comprises ‘jawless fishes’?

(1) Lampreys and eels

(2) Mackerels and rohu

(3) Lampreys and hag fishes

(4) Guppies and hag fishes

Subtopic:  General Introduction: Vertebrates & Agnatha |
 87%
From NCERT
NEET - 2009
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Peripatus is a connecting link between

(1) Ctenophora and Platyhelminthes

(2) Mollusca and Echinodermata

(3) Annelida and Arthropoda

(4) Coelenterata and Porifera

Subtopic:  Phylum Annelida | Phylum Arthropoda |
 73%
NEET - 2009
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Which one of the following in birds, indicates their reptilian ancestry?

(1) Scales on their hind limbs

(2) Four chambered heart

(3) Two special chambers crop and gizzard in their digestive tract

(4) Eggs with a calcareous shell

Subtopic:  Study of Aves & Mammals |
NEET - 2008
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Which one of the following is not a characteristic of phylum-Annelida?

(1) Closed circulatory system

(2) Segmentation

(3) Pseudocoelom

(4) Ventral nerve cord

Subtopic:  Phylum Annelida |
 83%
From NCERT
NEET - 2008
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Which one of the the following phyla is correctly matched with its two general characteristics?

(1) Arthropoda Body divided into head, thorax and abdomen and respiration by mouth

(2) Chordata Notochord at early stage only and separate anal and urinary openings to the outside

(3) Echinodermata Pentamerous radial symmetry and mostly internal fertilization

(4) Mollusca Normally oviparous and development through a trochophore or veliger larva

Subtopic:  Phylum Arthropoda | Phylum Mollusca |
From NCERT
NEET - 2008
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Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature?

 

Animals

 

Morphological Feature

(1)    

Liver fluke, sea anemone, sea cucumber      

– 

Bilateral

(2)

Earthworm, prawn, scorpion

Jointed appendages

(3)

Scorpion, spider, cockroach

Ventral solid central nervous system

(4)

Cockroach, locust, Taenia

Metameric segmentation

 

Subtopic:  Phylum Arthropoda |
 56%
NEET - 2008
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