Q. No.In Amphibia:
I. Skin is moist without scales
II. A tympanum represents the ear
III. Fertilization is external
1. Only I and II are correct.
2. Only I and III are correct.
3. Only II and III are correct.
4. I, II, and III are correct.
I. Skin is moist without scales
II. A tympanum represents the ear
III. Fertilization is external
1. Only I and II are correct.
3. Only II and III are correct.
The number of correct statements amongst the given statements is:
I. The digestive system in Platyhelminthes is incomplete.
II. Coelenterates, Ctenophores, and Echinoderm larvae are radially symmetrical.
III. Bilateral symmetry is seen in annelids and arthropods but not in mollusks.
IV. Notochord is a mesodermally derived structure formed on the dorsal side in some animals.
V. Aschelminthes are pseudocoelomates
1. 2
2. 3
3. 4
4. 5
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
|
Column I Feature |
Column II Phylum |
|
(a) Lateral line system (b) Water vascular system (c) Radula (d) Comb plates (e) Parapodia |
(i) Ctenophora (ii) Mollusca (iii) Echinodermata (iv) Osteichthyes (v) Annelida |
Codes
(a) (b) (c) (d) (e)
1. (i) (ii) (iii) (iv) (v)
2. (iv) (iii) (ii) (i) (v)
3. (iv) (iii) (i) (v) (ii)
4. (iii) (ii) (i) (v) (iv)
Given below are four matchings of an animal and its kind of respiratory organ:
| A. | Silverfish – trachea |
| B. | Scorpion – book lung |
| C. | Sea squirt – pharyngeal gills |
| D. | Dolphin – skin |
The correct matchings are:
1. A and D
2. A, B, and C
3. B and D
4. C and D
Match List - I with List - II
| List-I | List-II |
| (a) Metamerism | (i) Coelenterata |
| (b) Canal system | (ii) Ctenophora |
| (c) Comb Plates | (iii) Annelida |
| (d) Cnidoblasts | (iv) Porifera |
Choose the correct answer from the options given below:
| Options: | (a) | (b) | (c) | (d) |
| 1. | iii | iv | ii | i |
| 2. | iv | i | ii | iii |
| 3. | iv | iii | i | ii |
| 4. | iii | iv | i | ii |
Match the following
| List-I | List-II | ||
| (a) | Physalia | i. | Pearl oyster |
| (b) | Limulus | ii. | Portuguese Man of War |
| (c) | Ancylostoma | iii. | Living fossil |
| (d) | Pinctada | iv. | Hookworm |
Choose the correct answer from the options given below:
| Options: | (a) | (b) | (c) | (d) |
| 1. | ii | iii | iv | i |
| 2. | i | iv | iii | ii |
| 3. | ii | iii | i | iv |
| 4. | iv | i | iii | ii |
Read the following statements.
| (a) | Metagenesis is observed in Helminths. |
| (b) | Echinoderms are triploblastic and coelomate animals. |
| (c) | Round worms have organ-system level of body organization. |
| (d) | Comb plates present in ctenophores help in digestion. |
| (e) | Water vascular system is characteristic of Echinoderms. |
Choose the correct answer from the options given below:
1. (a), (d) and (e) are correct
2. (b), (c) and (e) are correct
3. (c), (d) and (e) are correct
4. (a), (b) and (c) are correct
| 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
| 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
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
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