A high regeneration capacity is present in
(1) Planaria
(2) Ancylostoma
(3) Sepia
(4) Sea cucumber
Digestive system consists of a mouth and anus in which animals
(1) Ancylostoma
(2) Wuchereria
(3) Adamsia
(4) Both (1) and (2)
Match the following cells/structures with their phyla of origin
1) | Flame cells | (i) | Coelenterata |
2) | Choanocytes | (ii) | Platyhelminthes |
3) | Cnidocytes | (iii) | Ctenophora |
4) | Comb plates | (iv) | Porifera |
(1) 1-(i), 2-(iv), 3-(ii), 4-(iii)
(2) 1-(iii), 2-(ii), 3-(iv), 4-(i)
(3) 1-(ii), 2-(iv), 3-(i), 4-(iii)
(4) 1-(ii), 2-(iii), 3-(i), 4-(iv)
Limbs are present in
(1) Osteichthyes
(2) Chondrichthyes
(3) Reptiles
(4) urochordates
In which of these examples are the members exclusively chondrichthyes
1. | Scoliodon, Pristis, Labeo, Betta |
2. | Scoliodon, Pristis, Betta, Trygon |
3. | Scoliodon, Trygon, Pristis, Carcharodon |
4. | Scoliodon, labeo, Carcharodon, Pristis |
Which of the following animal has a bony endoskeleton?
(1) Exocoetus
(2) Clarias
(3) Pristis
(4) both (1) and (2)
Hermaphroditism is found in which phyla?
(1) Ctenophora
(2) Platyhelminthes
(3) Porifera
(4) All of these.
Which of the following statement/s about chondrichthyes are incorrect?
1) | Notochord is persistent throughout life |
2) | Endoskeleton is made up of bones |
3) | Operculum present |
4) | Skin is covered by placoid scales |
1. | All of the above |
2. | None of the above |
3. | 1 and 4 are incorrect |
4. | 2 and 3 are incorrect |
The common name of Calotes versicolor is
1. Garden lizard
2. Tree lizard
3. Wall lizard
4. Monitor lizard
Dry, cornified skin along with epidermal scales or scutes is found in
(1) Tortoise
(2) Hyla
(3) Bufo
(4) All of the above