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 |
 89%
Level 1: 80%+
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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 | Phylum Aschelminthes | Phylum Annelida |
 85%
Level 1: 80%+
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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): All vertebrates are chordates but all chordates are not vertebrates.
Reason (R): Notochord is replaced by vertebral column in the adult vertebrates.
In the light of the above statements, choose the most appropriate answer from the options given below:
1. (A) is False but (R) is True.
2. Both (A) and (R) are True and (R) correctly explains (A).
3. Both (A) and (R) are True and (R) does not correctly explain (A).
4. (A) is True but (R) is False.
Subtopic:  Phylum Chordata |
 75%
Level 2: 60%+
NEET - 2022
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In which of the following animals, the digestive tract has additional chambers like crop and gizzard?
1. Pavo, Psittacula, Corvus 
2. Corvus, Columba, Chameleon
3. Bufo, Balaenoptera, Bangarus
4. Catla, Columba, Crocodilus 
Subtopic:  Study of Aves & Mammals |
 81%
Level 1: 80%+
NEET - 2022
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Air bladder is found in:

1. Osteichthyes 2. Aves
3. Cyclostomata 4. Chondrichthyes
Subtopic:  Comparative study of Cartilagenous & Bony Fishes | Class Osteichthyes |
 75%
Level 2: 60%+
NEET - 2022
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Given below are two statements: 

I: Amphibians and reptiles have a 3-chambered heart with two atria and a single ventricle, and are oviparous in nature 
II:  Crocodiles possess a 4 chambered heart with two ventricles and two atria and are viviparous in nature 

Select the most appropriate option:
1. I is correct but II is incorrect. 
2. I is incorrect but II is correct.
3. Both I and II are correct.
4. Both I and II are incorrect. 

Subtopic:  Study of Amphibians | Study of Reptilia |
 59%
Level 3: 35%-60%
NEET - 2022
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Which one of the following features are not true for chordates?
(a) Heart is dorsal.
(b) Pharynx is perforated by gill slits.
(c) Central nervous system is ventral, solid and single.
(d) Post-anal tail is present.
(e) Notochord is present.  
Choose the most appropriate answer from the option given below:

1. (e) only 2. (a), (d) and (c) only
3. (b) and (c) only 4. (a) and (c) only
Subtopic:  Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes |
 73%
Level 2: 60%+
NEET - 2022
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Which of the following character is not applicable for reptiles?
1. Mostly terrestrial
2. Body is covered with dry and cornfield skin
3. Paired limbs are present
4. Absence of tympanum.

 
Subtopic:  Study of Reptilia |
 78%
Level 2: 60%+
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Given below are two statements: 
Assertion (A): All the mammals are endotherm.
Reason (R): Mammals possess four chambered heart and respire through lungs
 
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:  Study of Aves & Mammals |
 76%
Level 2: 60%+
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Exclusively marine, radially symmetrical, and diploblastic organism is:
1. Pila 
2. Nereis 
3. Pleurobrachia 
4. Asterias 
Subtopic:  Phylum Ctenophora |
 83%
Level 1: 80%+
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