| 1 |
Mammals have only |
- A. Right arotic arch
- B. Left arotic arch
- C. Both left and right arotic arches
- D. No artic arch
|
| 2 |
In hydra ectodermal cells get food from endodermal cells by. |
- A. Osmosis
- B. diffusion
- C. Active transport
- D. Facilitated diffusion
|
| 3 |
Vertebrates that develop embryonic membranes around their embryo called |
- A. Amniotes
- B. Abamniotes
- C. Embryotes
- D. None of these
|
| 4 |
In Mollusca, a blue respiratory pigment is present called. |
- A. Haemoglobin
- B. Haemoerythrin
- C. Haemocyanin
- D. Prothombin
|
| 5 |
Scientific name of Planaria is. |
- A. Taenlasolium
- B. Fasciola hepatica
- C. Dugesia
- D. Schistosoma
|
| 6 |
The animal with exceptionally large brain is. |
- A. Star fish
- B. Octopus
- C. Snail
- D. Sepia
|
| 7 |
In sponges the food enters the spngocoal cavity throgh |
- A. Ostia
- B. Osculum
- C. Mouth
- D. Spiracles
|
| 8 |
Syrinx is a |
- A. Organ of voice in mammals
- B. Organ of voice in birds
- C. Copulatory organ in birds
- D. Seuse organs in birds
|
| 9 |
Common name for Anchyclostoma duodenal is. |
- A. Pin worm
- B. Tape worm
- C. Hook worm
- D. Earth worm
|
| 10 |
Protandrous means |
- A. Male sex cells develop first
- B. Male and female sex develop simultaneously
- C. Female sex cell develop first
- D. None of the above
|