Crocodile and Penguin are similar to Whale and Dogfish in which one of the following features?

1. Lay eggs and guard them till they hatch

2. Possess bony skeleton

3. Have gill slits at some stage

4. Possess a solid single-stranded central nervous system

Subtopic:  Phylum Chordata | Study of Reptilia | Study of Aves & Mammals |
 53%
AIPMT - 2010
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The figure shows four animals (a), (b), (c) and (d). Select the correct answer with respect to a common characteristic of two of these animals:

(a) (b)
(c) (d)

1. (c) and (d) have a true coelom
2. (a) and (d) respire mainly through body wall
3. (b) and (c) show radial symmetry
4. (a) and (b) have cnidoblasts for self-defence

Subtopic:  Phylum Coelenterata | Phylum Ctenophora & Platyhelminthes | Phylum Arthropoda | Phylum Mollusca |
 77%
From NCERT
AIPMT - 2011
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which one of the following statements is totally wrong about the occurrence of a notochord, while the other three are correct?

1. It is present throughout life in Amphioxus
2. It is present only in larval tails in Ascidians
3. It is replaced by the vertebral column in an adult frog
4. It is absent throughout life in humans from the very beginning
Subtopic:  Phylum Chordata |
 74%
From NCERT
AIPMT - 2011
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Which one of the following pairs of animals is similar to each other pertaining to the feature stated against them?

1. Garden lizard and Crocodile - Three-chambered heart
2. Ascaris and Ancylostoma - Metameric segmentation
3. Sea horse and Flying fish - Cold-blooded (poikilothermal)
4. Pteropus and Ornithorhyncus - Viviparity
Subtopic:  Comparative study of Cartilagenous & Bony Fishes | Super Class Pisces & its General Characteristics |
 67%
From NCERT
AIPMT - 2012
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Which one of the following categories of animals, is correctly described with no single exception in it?

1. All bony fishes have four pairs of gills and an operculum on each side
2. All sponges are marine and have collared cells
3. All mammals are viviparous and possess a diaphragm for breathing
4. All reptiles possess scales, have a three-chambered heart, and are cold blood (poikilothermal)
Subtopic:  Super Class Pisces & its General Characteristics |
 63%
From NCERT
AIPMT - 2012
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The characteristics of class Reptilia are:
 
1. Body covered with moist skin which is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into a common cloaca
2. Freshwater animals with a bony endoskeleton and air bladder to regulate buoyancy
3. Marine animals with cartilaginous endoskeletons, bodies covered with placoid scales
4. Body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears
Subtopic:  Study of Reptilia |
 68%
From NCERT
NEET - 2013
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Which one of the following groups of animals reproduces only by sexual means? 
1. Cnidaria 
2. Porifera 
3. Protozoa 
4. Ctenophora
Subtopic:  Phylum Ctenophora & Platyhelminthes |
 78%
From NCERT
NEET - 2013
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Select the option which shows the correct matching of animal with excretory organs and excretory product:
Animal Excretory organs Excretory product
1. Labeo (Rohu) Nephridial tubes Ammonia
2. Salamander Kidney Urea
3. Peacock Kidney Urea
4. Housefly Renal tubules Uric acid
Subtopic:  Phylum Arthropoda | Phylum Chordata |
From NCERT
NEET - 2013
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Which one of the following animals is correctly matched with its one characteristic and the taxon? 
Animal Characteristic Taxon
1. Millipede Ventral nerve cord Arachnids
2. Sea Anemone Triploblastic Cnidaria
3. Silverfish Pectoral and pelvic fins Chordata
4. Duckbilled platypus Oviparous Mammalian
Subtopic:  Phylum Chordata |
 71%
From NCERT
NEET - 2013
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Sharks and dogfishes differ from skates and rays by:
 
1. Gill slits are ventrally placed
2. Head and trunk are widened considerably
3. Distinct demarcation between body and tail
4. Their pectorals fins are distinctly marked off from cylindrical bodies

 
Subtopic:  Comparative study of Cartilagenous & Bony Fishes |
 53%
NEET - 2013
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