Q. No.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
Dry, cornified skin along with epidermal scales or scutes is found in
1. Tortoise
2. Hyla
3. Bufo
4. All of the above
The common name of Calotes versicolor is
1. Garden lizard
2. Tree lizard
3. Wall lizard
4. Monitor lizard
In some Bilateria, the body is of many segments that show serial repetition of parts. Such segments are called as:
1. Myotomes
2. Metameres
3. Proglottides
4. Comb plates
The phylum with exclusively marine animals is:
1. Porifera
2. Cnidaria
3. Ctenophora
4. Platyhelminthes
Notochord is derived from embryonic:
| 1. | Ectoderm | 2. | Mesoderm |
| 3. | Endoderm | 4. | Ectoderm and Mesoderm |
Identify the phylum where the body cavity is not lined by mesoderm, instead, the mesoderm is present as scattered pouches between ectoderm and endoderm?
| 1. | Cnidaria | 2. | Platyhelminthes |
| 3. | Molluska | 4. | Aschelminthes |
What is present between ectoderm and endoderm in diploblastic animals?
| 1. | Mesenteron | 2. | Mesenchyme |
| 3. | Mesorchium | 4. | Mesoglea |
What is not true regarding Cnidarians?
| 1. | Body is made up of distinct tissues but true organs have not evolved |
| 2. | They are carnivores |
| 3. | They may have two body forms – polyps and medusa |
| 4. | The digestion is completely intra-cellular |
Identify the chordates in which the notochord persists in the adult?
1. Tunicates
2. Lancelets
3. Cyclostomata
4. Bony fishes
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