Identify the following diagrams and these represent:

1. (a) radial symmetry, (b) bilateral symmetry

2. (a) bilateral symmetry, (b) radial symmetry

3. (a) asymmetrical, (b) radial symmetry

4. (a) bilateral symmetry, (b) asymmetrical

Subtopic:  Basis of Classification:I |
 73%
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See the following diagrams carefully and these animals are

1. Sycon, Leucosolenia

2. Hydra, Aurelia

3. Nereis, Hirudinaria

4. Fasciola, Taenia

Subtopic:  Phylum Annelida |
 95%
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Which of the following option is correct? 

1. Fertilization is internal and development is indirect in Scypha, Pleurobrachia
2. Flame cells help in osmoregulation and alimentary canal present in Fasciola, Taenia
3. Body is segmented and perform locomotion with the help of parapordia in Nereis, Pheretima
4. Body is covered by mantle layer and gills are present in Unio, Pila

Subtopic:  Phylum Mollusca |
 52%
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In which of the following Radula is absent ?

1. Sepia

2. Octopus

3. Pila

4. Echinus

 

Subtopic:  Phylum Mollusca |
 81%
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Respiration in Balaenoptera takes place by :-

1. Gills 

2. Skin

3. Trachea

4. Lungs 

Subtopic:  Study of Aves & Mammals |
 69%
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The water canal system is found in:-

1. Echinus

2. Sycon

3. Balanoglossus

4. Ascidia

Subtopic:  Phylum Porifera |
 91%
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Correct flow water current in sponges is:-

1. Ostia OsculumSpongocoelOutside

2. OsculumSpongocoelOstiaOutside

3. OstiaSpongocoelOsculumOutside

4. OsculumOstiaSpongocoelOutside

Subtopic:  Phylum Porifera |
 84%
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Which of the following is the unique feature of mammal ?

1. Muscular diaphragm

2. Ear pinna

3. Mammary glands

4. All of the above 

Subtopic:  Study of Aves & Mammals |
 75%
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Endoskeleton of calcareous ossicles, external fertilization, adults shows radial symmetry, development indirect.

The above-given feature is true for:-

1. Echinus, Asterias

2. Pila, ophiura

3. Antedon, Aplysia

4. Pinctada, cucumaria

Subtopic:  Phylum Echinodermata |
 86%
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In Planaria, waste material of food digestion and Nitrogenous waste material removed from

1. Mouth and mouth

2. Body wall and body wall

3. Mouth and Flame-cell

4. Mouth and Body wall

Subtopic:  Phylum Ctenophora & Platyhelminthes |
 82%
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