1. | Mostly terrestrial |
2. | Body is covered with dry and cornfield skin |
3. | Paired limbs are present |
4. | Absence of tympanum. |
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. |
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 |
List I | List II |
A. Coelomates | I. Aschelminthes |
B. Pseudocoelomates | II. Platyhelminthes |
C. Acoelomates | III. Annelids |
D. Diploblastic | IV. Coelenterates |
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 |
1. | Scoliodon | 2. | Hippocampus |
3. | Chelone | 4. | Pteropus |
(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. |
1. Sponges | 2. Hydra |
3. Planaria | 4. Earthworm |