1. | is a cestode and requires two intermediate hosts – a cow and a pig |
2. | is a trematode and requires two intermediate hosts – a chicken and a fish |
3. | is a nematode and requires two intermediate hosts – a fish and a pig |
4. | is a trematode and requires two intermediate hosts – a snail and a fish |
Regarding birds, the number of correct statements from the statements given will be:
I: | The forelimbs are modified into wings. |
II: | Flightless birds do not have feathers. |
III: | Skin is dry without glands except the oil gland at the base of the tail. |
IV: | Endoskeleton is fully ossified (bony) and the long bones are hollow with air cavities (pneumatic). |
V: | The hind limbs generally have scales. |
1. 2
2. 3
3. 4
4. 5
a. | In Urochordata, notochord extends from head to tail and is present throughout their life |
b. | In Cephalochordata, notochord is present only in larval tail |
c. | Central nervous system is dorsal and hollow |
d. | Anus is terminal |
e. | Heart, if present, is ventral |
List – I | List – II | ||
(a) | Metamerism | (i) | Ctenophora |
(b) | Canal system | (ii) | Cnidaria |
(c) | Comb Plates | (iii) | Annelida |
(d) | Metagenesis | (iv) | Porifera |
(a) | (b) | (c) | (d) | |
1. | (iii) | (iv) | (ii) | (i) |
2. | (iv) | (i) | (ii) | (iii) |
3. | (iv) | (iii) | (i) | (ii) |
4. | (iii) | (iv) | (i) | (ii) |
List I | List II | ||
A. | Taenia | I. | Nephridia |
B. | Paramoecium | II. | Contractile vacuole |
C. | Periplaneta | III. | Flame cells |
D. | Pheretima | IV. | Urecose gland |
Options: | A | B | C | D |
1. | II | I | IV | III |
2. | I | II | III | IV |
3. | I | II | IV | III |
4. | III | II | IV | I |
1. | Echinodermata D | 2. | Ctenophora |
3. | Hemichordata | 4. | Coelenterata |
A: | Presence of a mid-dorsal, solid and double nerve cord. |
B: | Presence of closed circulatory system. |
C: | Presence of paired pharyngeal gill slits |
D: | Presence of dorsal heart. |
E: | Triploblastic pseudocoelomate animals. |
1. | C, D and E only | 2. | A, C and D only |
3. | B and C only | 4. | B, D and E only |
List-I | List-II | ||
(A) | Contractile vacuole | (I) | Asterias |
(B) | Water vascular system | (II) | Amoeba |
(C) | Canal system | (III) | Spongilla |
(D) | Flame cells | (IV) | Taenia |
Options: | (A) | (B) | (C) | (D) |
1. | (IV) | (II) | (I) | (III) |
2. | (I) | (III) | (II) | (IV) |
3. | (III) | (II) | (I) | (IV) |
4. | (II) | (I) | (III) | (IV) |
A: | Platyhelminthes are triploblastic, pseudocoelomate and bilaterally symmetrical organisms. |
B: | Ctenophores reproduce only sexually and fertilization is external. |
C: | In tapeworm, fertilization is internal but sexes are not separate. |
D: | Ctenophores are exclusively marine, diploblastic and bioluminescent organisms. |
E: | In sponges, fertilization is external and development is direct. |
1. | (A), (C) and (D) only | 2. | (B), (C) and (D) only |
3. | (A) and (E) only | 4. | (B) and (D) only |