An important characteristic that Hemichordates share with Chordates is:

1. Ventral tubular nerve cord
2. Pharynx with gill slits
3. Pharynx without gill slits
4. Absence of notochord

Subtopic:  Phylum Hemichordata | Phylum Chordata |
 65%
NEET - 2017
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Which among these is the correct combination of aquatic mammals?

1. Dolphin, Seals, Trygon

2. Whales, Dolphin, Seals

3. Trygon, Whales, Seals

4. Seals, Dolphin, Sharks

Subtopic:  Study of Aves & Mammals |
 80%
From NCERT
NEET - 2017
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Choose the correct statement.
1. All mammals are viviparous
2. All cyclostomes do not possess jaws and paired fins
3. All reptiles have a three-chambered heart
4. All Pisces have gills covered by an operculum

Subtopic:  Phylum Chordata |
 80%
From NCERT
NEET - 2016
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Which of the following animals does not undergo metamorphosis?
1. Earthworm
2. Tunicate
3. Moth
4. Starfish
Subtopic:  Phylum Annelida |
 52%
NEET - 2018
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Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system:
1. Amphibia
2. Reptilia
3. Aves
4. Osteichthyes
Subtopic:  Study of Aves & Mammals |
 77%
From NCERT
NEET - 2018
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Which one of these animals is not a homeotherm?
1. Macropus
2. Chelone
3. Camelus
4. Psittacula
Subtopic:  Study of Reptilia |
 77%
From NCERT
NEET - 2018
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In the case of Poriferans, the spongocoel is lined with flagellated cells called:

1. Oscula

2. Choanocytes

3. Mesenchymal cells

4. Ostia

Subtopic:  Phylum Porifera |
 89%
From NCERT
NEET - 2017
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Which of the following characteristic features always hold true for the corresponding group of animals? 

(a) Viviparous (1) Mammalia
(b) Possess a mouth with an upper and a lower jaw (2) Chordata
(c) 3- chambered heart with one incompletely divided ventricle (3) Reptilia
(d) Cartilaginous - Endoskeleton (4) Chondrichthyes

1. a

2. b

3. c

4. d

Subtopic:  Comparative study of Cartilagenous & Bony Fishes |
 79%
From NCERT
NEET - 2016
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Which of the following characteristics is not shared by birds and mammals?
1. Breathing using lungs
2. Viviparity
3. Warm-blooded nature
4. Ossified endoskeleton
Subtopic:  Study of Aves & Mammals |
 64%
From NCERT
NEET - 2016
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Which of the following features is not present in the phylum–Arthropoda?
1. Metameric segmentation
2. Parapodia
3. Jointed appendages
4. Chitinous exoskeleton
Subtopic:  Phylum Annelida | Phylum Arthropoda |
 79%
From NCERT
NEET - 2016
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