A. | synsacrum |
B. | corpus callosum |
C. | mammary gland without teats |
D. | ear pinna |
E. | pneumatic bones |
1. | B and D only |
2. | A, B and D only |
3. | C, D and E only |
4. | A and E only |
(a) | They lack scales and paired fins. |
(b) | They have circular mouth with jaws. |
(c) | They bear 6-15 pairs of gills. |
(d) | They migrate to deep sea for spawning. |
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) |
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) |
List I | List II |
A. Coelomates | I. Aschelminthes |
B. Pseudocoelomates | II. Platyhelminthes |
C. Acoelomates | III. Annelids |
D. Diploblastic | IV. Coelenterates |
Column-I | Column-II | ||
a. | Annelids | (i) | Triploblastic acoelomate |
b. | Platyhelminths | (ii) | Ciliated comb plates |
c. | Aschelminths | (iii) | Metamerism |
d. | Ctenophores | (iv) | Pseudocoelomates |
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. |
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. |
a. | Phylum vertebrata is divided into two superclasses - Pisces and Tetrapoda. |
b. | Superclass Pisces includes cyclostomes, cartilaginous and bony fishes. |
c. | In bony fishes, air bladder is present which regulates buoyancy. |
d. | Body of all amphibians is divisible into head neck and trunk. |
e. | Both fishes and amphibians are poikilothermous animals. |
1. | a, b, c, d | 2. | a, b, c, d, e |
3. | a, b, d | 4. | c, d, e |
Column I | Column II | ||
a. | Asterias | (i) | Notochord in larval tail |
b. | Balanoglossus | (ii) | Spiny body |
c. | Ascidia | (iii) | Cloaca present |
d. | Hyla | (iv) | Worm-like marine animal |
a | b | c | d | |
1. | (i) | (ii) | (iii) | (iv) |
2. | (iv) | (ii) | (iii) | (i) |
3. | (ii) | (iii) | (iv) | (i) |
4. | (ii) | (iv) | (i) | (iii) |