Match List I with List II:
List I  List II
A. Bilaterally symmetrical, triploblastic acoelomate animal with flame cells I. Limulus
B. Bilaterally symmetrical animal with calcareous shell and mantle cavity II. Pleurobrachia
C. Radically symmetrical animal with ciliated comb plates and exclusively marine III. Fasciola hepatica
D. Bilaterally symmetrical, triploblastic, coelomate animals with a chitinous exoskeleton IV. Dentalium

Choose the correct answer from the options given below: 
1. A -II, B- IV, C-III, D-II
2. A -IV, B- II, C-III, D-I
3. A -III, B- IV, C-II, D-I
4. A -III, B- IV, C-I, D-II
Subtopic:  Phylum Ctenophora & Platyhelminthes | Phylum Arthropoda | Phylum Mollusca |
 88%
From NCERT
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Match List I with List II 
List I List II
A. Class Aves I. Presence of air bladder
B. Class Chondrichthyes II. Circular and sucking mouth
C. Class Osteichthyes III. Air cavities in bones 
D. Class Cyclostomata IV. Absence of operculum

Choose the correct answer from the options given below: 
1. A-IV, B-I, C-II, D-III
2. A-II, B-IV, C-I, D-III
3. A-III, B-I, C-IV, D-II
4. A-III, B-IV, C-I, D-II
Subtopic:  Study of Aves & Mammals | Super Class Pisces & its General Characteristics |
 85%
From NCERT
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Match List I with List II:
List I List II
A. Coelomates  I. Aschelminthes
B. Pseudocoelomates  II. Platyhelminthes
C. Acoelomates  III. Annelids
D. Diploblastic IV. Coelenterates 
Choose the correct answer from the options given below:
1. A-II, B-I, C-III, D-IV
2. A-III, B-I, C-II, D-IV
3. A-II, B-I, C-IV, D-III
4. A-I, B-II, C-III, D-IV
Subtopic:  Basis of Classification |
 86%
From NCERT
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In contrast to Aves, mammals have:
A. synsacrum
B. corpus callosum
C. mammary gland without teats
D. ear pinna
E. pneumatic bones
Choose the correct answer from the options given below:
1.  B and D only
2.  A, B and D only
3.  C, D and E only
4.  A and E only
Subtopic:  Study of Aves & Mammals |
 51%
From NCERT
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Given below are two statements.
Statement I: All chordates are vertebrates.
Statement II: All the vertebrates are chordates but all the chordates are not vertebrates.
In light of the above statements, choose the most appropriate answer from the options given below.
1.  Both statement I and statement II are true
2.  Both statement I and statement II are false
3.  Statement I is correct but statement II is false
4.  Statement I is incorrect but statement II is true
Subtopic:  Phylum Chordata |
 83%
From NCERT
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Match items in column-I with those in column-II and choose the correct option.
         Column-I           Column-II
A. Cyclostomata        (i) Mouth without jaws
B. Chondrichthyes     (ii) Exclusively oviparous
C. Aves                      (iii) Gills without operculum
D. Mammalia            (iv) Unique in possessing hair
     A   B    C      D
1. (i)  (ii)  (iii)    (iv)
2. (ii) (iii)  (iv)    (i)
3. (i)  (iii)   (ii)    (iv)
4. (ii)  (i)   (iv)    (iii)
Subtopic:  Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes | Study of Aves & Mammals |
 87%
From NCERT
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Match items in column-I with those in column-II and choose the correct option.
Column-I                      Column-II
a. Annelids                 (i) Triploblastic acoelomate
b. Platyhelminths      (ii) Ciliated comb plates
c. Aschelminths         (iii) Metamerism
d. Ctenophores          (iv) Pseudocoelomates
1. a(i), b(ii), c(iv), d(iii)
2. a(iii), b(i), c(iv), d(ii)
3. a(ii), b(iv), c(i), d(iii)
4. a(iv), b(ii), c(iii), d(i)
Subtopic:  Phylum Ctenophora & Platyhelminthes | Phylum Aschelminthes | Phylum Annelida |
 91%
From NCERT
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Read the following statements A and B and choose the correct answer.
Statement A: The most unique mammalian characteristic is the presence of milk-producing mammary glands.
Statement B: Mammals have one pair of limbs, adapted for walking, running, climbing, burrowing
swimming, or flying.
1. Both statements A and B are correct.
2. Only statement A is incorrect.
3. Both statements A and B are incorrect.
4. Only statement B is incorrect.
Subtopic:  Study of Aves & Mammals |
 58%
From NCERT
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Read the following statements (A) and (B) with respect to bony fishes and choose the correct answer from the following given options.
Statement (A): Osteichthyes includes both marine and freshwater fishes with a bony endoskeleton.
Statement (B): Their body is streamlined and their mouth is ventral in position.
1. Both statements (A) and (B) are correct.
2. Only statement (A) is incorrect.
3. Both statements (A) and (B) are incorrect.
4. Only statement (B) is incorrect.
Subtopic:  Comparative study of Cartilagenous & Bony Fishes |
 60%
From NCERT
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Match items in column-I with those in column-II and choose the correct option.
     Column-I          Column-II
(a) Exocoetus        (i) Tympanum represents the ear
(b) Trygon             (ii) Marine bony fish
(c) Salamandra     (iii) Air sacs connected to lungs
(d) Aptenodytes   (iv) Cartilaginous marine fish
    (a)   (b)   (c)  (d)
1. (i)    (ii)   (iii)  (iv)
2. (iv)  (iii)  (ii)    (i)
3. (ii)   (iv)   (i)   (iii)
4. (i)    (iii)   (ii)  (iv)
Subtopic:  Study of Reptilia | Study of Aves & Mammals | Super Class Pisces & its General Characteristics |
 88%
From NCERT
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