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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A jawless fish, which lays eggs in freshwater and whose ammocoetes larvae after metamorphosis return to the ocean is?
1. Eptratretus
2. Myxine
3. Neomyxine
4. Petromyzon

Subtopic:  Comparative study of Cartilagenous & Bony Fishes |
 67%
From NCERT
NEET - 2015
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Metagenesis refers to?

1. The presence of different morphic forms
2. Alternation of generation between asexual and sexual phases of an organism
3. Occurrence of a drastic change in the form during post-embryonic development
4. Presence of a segmented body and parthenogenic mode of reproduction

Subtopic:  Phylum Coelenterata |
 86%
From NCERT
NEET - 2015
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Which of the following represents the correct combination without any exception? 

Characteristic Class
(a) Mammary gland; hair on body; pinnae; two pairs of limbs Mammalia
(b) Mouth ventral; gills without operculum; skin with placoid scales; persistent notochord Chondrichthyes
(c) Sucking and circular mouth; jaws absent; integument without scales; paired appendages Cyclostomata
(d) Body covered with feathers; skin moist and glandular; lungs with air sacs; forelimbs from wings Aves
 
1. (a) 2. (b)
3. (c) 4. (d)
Subtopic:  Comparative study of Cartilagenous & Bony Fishes |
From NCERT
NEET - 2015
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Which of the following animals is not viviparous?
1. Flying fox (bat)
2. Elephant
3. Platypus
4. Whale
Subtopic:  Study of Aves & Mammals |
 85%
From NCERT
NEET - 2015
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