In which one of the following sets of animals do all the four give birth to young ones?

(1) Lion, bat, whale, ostrich

(2) Platypus, penguin, bat, hippopotamus

(3) Shrew, bat, cat, kiwi

(4) Kangaroo, hedgehog, dolphin, Loris

Subtopic:  Study of Aves & Mammals |
 62%
NEET - 2006
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Two common characters found in centipede, cockroach and crab are:

(1) compound eyes and anal cerci

(2) jointed legs and chitinous exoskeleton

(3) green gland and tracheae

(4) book lungs and antennae

Subtopic:  Phylum Arthropoda |
 79%
NEET - 2006
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A jawless fish, which lays eggs in fresh water and whose ammocoetes larvae after metamorphosis return to the ocean is

(1) Eptatretus

(2) Myxine

(3) Neomyxine

(4) Petromyzon

Subtopic:  General Introduction: Vertebrates & Agnatha |
 65%
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. occurance of a drastic change in form during post embryonic development

4. the presence of a segmented body and parthenogenetic mode of reproduction

 

Subtopic:  Phylum Coelenterata |
 89%
From NCERT
NEET - 2015
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Body having meshwork of cells, internal cavities lined with food filtering flagellated cells

and indirect development are the characteristics of phylum

1. Coelenterata

2. Porifera

3. Mollusca

4. Protozoa

Subtopic:  Phylum Porifera |
 82%
NEET - 2015
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Which of the following represent the correct combination without any exception?

Characteristic

Class

(1) Mammary gland; hair on body; pinnae; two pairs of limbs

Mammalia

(2) Mouth ventral; gills without operculum; skin with placoid scales; persistent notochord

Chondrichthyes

(3) Sucking and circular mouth; jaws absent; integument without scales; paired appendages

Cyclostomata

(4) Body coverd with feathers; skin moist and glandular; lungs with air sacs; fore limbs form wings

Aves

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 |
 82%
From NCERT
NEET - 2015
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Pick the odd pair out.

(1) Porifera : choanoflagellates

(2) Cnidaria : nematocysts

(3) Nematoda : pseudocoelom

(4) Mollusca : torsion

Subtopic:  Phylum Porifera |
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Chitin is a polysaccharide found in the exoskeleton of

(1) prawn

(2) insects

(3) crabs

(4) all of these

Subtopic:  Phylum Arthropoda |
 89%
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Which of these is not a coelenterate?

(1) Sea pen

(2) Sea fur

(3) Sea anemone

(4) Sea lily

Subtopic:  Phylum Echinodermata |
 72%
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