Identify the incorrectly matched pair:
1. Radula – Molluscs 2. Malpighian tubules– Insects
3. Choanocytes– Sponges 4. Cnidocytes – Ctenophora

Subtopic:  Phylum Coelenterata | Phylum Ctenophora & Platyhelminthes |
 84%
From NCERT
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In Chordates
I. Heart is dorsal
II. Central nervous system is ventral
III. A post-anal tail is present 

1. Only I and II are correct
2. Only III is correct
3. Only II is correct
4. Only I and III are correct
Subtopic:  Phylum Chordata |
 79%
From NCERT
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Match each item in Column I with the one in column II and select the correct match from the codes given:
Column I Column II
A Cephalochordata P Swim bladder
B Cyclostomata Q Notochord – head to tail
C Chondrichthyes R Males bear claspers on pelvic fins
D Osteichthyes S Marine but migrate to freshwater for spawning
Codes:
A B C D
1. S Q P R
2. P Q R S
3. Q S R P
4. R P S Q
Subtopic:  General Introduction: Vertebrates & Agnatha |
 90%
From NCERT
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Which of the following animals is not matched to its correct scientific name?
1. Penguin: Aptenodytes 2. Tortoise: Testudo
3. Platypus: Macropus 4. Angel fish: Pterophyllum
Subtopic:  Study of Aves & Mammals |
 81%
From NCERT
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R): 
Assertion (A): Hemichordates are not chordates.
Reason (R): They do not have a notochord.
In the light of the above statements choose the correct answer from the options given below:
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Phylum Hemichordata | Phylum Chordata |
 86%
From NCERT
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Match each item in Column I with one in Column II and select the best match from the codes given:
COLUMN I COLUMN II
A Comb plates P Cnidaria
B Metagenesis Q Mollusca
C Canal system R Sponges
D Radula S Ctenophora
Codes:
A B C D
1. S P R Q
2. P S R Q
3. P S Q R
4. S P Q R
Subtopic:  Phylum Porifera | Phylum Coelenterata | Phylum Ctenophora & Platyhelminthes | Phylum Mollusca |
 88%
From NCERT
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Identify the incorrect statement:
1. Notochord is derived from embryonic mesoderm
2. Stomochord in hemochordates is actually notochord
3. Chordates have a post-anal tail
4. Pharynx is perforated by gill slits in chordates
Subtopic:  Phylum Hemichordata |
 74%
From NCERT
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What is the number of animals, amongst the animals given in the box, that have both a four chambered heart and endothermy?

Crocodilus, Aptendoytes, Canis, Calotes, Struthio, Delphinus, Testudo, Icthyophis

1. 3 2. 4
3. 5 4. 6
Subtopic:  Phylum Chordata | Study of Reptilia | Study of Aves & Mammals |
From NCERT
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Match each item in Column I with one in Column II and select the correct match from the codes given:
COLUMN I COLUMN II
A. Petromyzon P A jawless vertebrate
B. Icthyophis Q A limbless amphibian
C. Struthio R A flightless bird

Codes
A B C
1. Q R P
2. Q P R
3. P Q R
4. P R Q
Subtopic:  Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes | Study of Amphibians | Study of Aves & Mammals |
 88%
From NCERT
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Identify the incorrectly matched pair:
1. Obelia Metagenesis
2. Planaria Free living with
high regeneration capacity
3. Ancylostoma Acoelomate
4. Nereis Parapodia
Subtopic:  Phylum Coelenterata | Phylum Ctenophora & Platyhelminthes | Phylum Aschelminthes | Phylum Annelida |
 84%
From NCERT
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