Column-I | Column-II | ||
a. | Annelids | (i) | Triploblastic acoelomate |
b. | Platyhelminths | (ii) | Ciliated comb plates |
c. | Aschelminths | (iii) | Metamerism |
d. | Ctenophores | (iv) | Pseudocoelomates |
Euspongia, Hirudinaria, Meandrina, Chaetopleura, Carcharadon, Ctenplona, Fasciola, Bombyx, Ancylostoma |
1. | belong to same Division |
2. | have a bony endoskeleton |
3. | have a ventral heart |
4. | have cartilaginous jaws |
1. | Apple snail, Devil fish, Tusk shell, Chiton |
2. | Cattle fish, Angel fish, Dog fish, Saw fish |
3. | Sea-hare, Sea-cucumber, Sea-urchin, Sea-lily |
4. | Squid, Silkworm, Hook worm, King crab |
I. | Body is covered by scales in all tetrapods. |
II. | Jaw is present in all vertebrates. |
III. | All terrestrial vertebrates have at-least a three chambered muscular heart. |
1. | All are incorrect |
2. | All are correct |
3. | Only III is correct |
4. | Only II is correct |
1. | Gill slits are ventrally placed |
2. | Head and trunk are widened considerably |
3. | Distinct demarcation between body and tail |
4. | Their pectorals fins are distinctly marked off from cylindrical bodies |
Assertion (A): | Syrnix is a characteristic feature of birds. |
Reason (R): | Syrnix reduces body weight & helps in flights. |
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. |
1. | Squid, Devil fish, Flying fish, Dogfish |
2. | Apple snail, Pearl oyster, Brittle star, Brain coral |
3. | Sea urchin, Sea lily, Sea cucumber, Sea horse |
4. | Cuttlefish, Sea-hare, Tusk shell, Chiton |