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 |
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 |
Column-I | Column-II | ||
a. | Three-chambered heart with one incompletely divided ventricle | (i) | Myxine |
b. | Jawless vertebrate with a cartilaginous vertebral column | (ii) | Chaetopleura |
c. | Soft, unsegmented body and has a structure that helps in both respiration and excretion | (iii) | Calotes |
d. | Ventral mouth, gills without operculum, and skin with placoid scales | (iv) | Scoliodon |
(a) | All vertebrates are chordates but all chordates are not vertebrates |
(b) | All vertebrates have paired appendages which may be fins or limbs |
(c) | All vertebrates bear jaw |
(d) | All aquatic animals which bear fins are placed in superclass Pisces |
a | b | c | d | |
1. | T | F | F | F |
2. | T | T | F | F |
3. | T | F | F | T |
4. | T | F | T | T |
Column-I | Column-II | ||
a. | Planaria | (i) | Indirect development |
b. | Ctenoplana | (ii) | Gills are covered by an operculum on each side |
c. | Petromyzon | (iii) | Possess high regeneration capacity |
d. | Exocoetus | (iv) | Migrates for spawning to freshwater |
Column -I | Column-II | ||
A. | Protochordates | (i) | Homoiothermous |
B. | Aves | (ii) | Circular mouth without jaws |
C. | Agnatha | (iii) | Exclusively marine |
D. | Pisces | (iv) | Streamlined body and bear fins |
A | B | C | D | |
1. | (i) | (ii) | (iv) | (iii) |
2. | (iii) | (i) | (ii) | (iv) |
3. | (iv) | (i) | (iii) | (ii) |
4. | (iv) | (iii) | (ii) | (i) |