| 1 |
In hydra ectodermal cells get food from endodermal cells by. |
- A. Osmosis
- B. diffusion
- C. Active transport
- D. Facilitated diffusion
|
| 2 |
Pseudo coelom is characteristic. |
- A. Nematoda
- B. Mollusca
- C. Annelida
- D. Echinodermata
|
| 3 |
The largest invertebrate animal is |
- A. Cuttle fish
- B. Octopus
- C. Glant squid
- D. Dhysalia
|
| 4 |
The larvae such as bipinnarial and brachloria develop in members of phylum |
- A. Cnidaria
- B. Mollusca
- C. Echinodermata
- D. Annelida
|
| 5 |
Garden snail belongs to class. |
- A. Gastropoda
- B. Caphalopods
- C. Pelecypoda
- D. Drthropoda
|
| 6 |
Nephridia are excretory structures of. |
- A. Sponges
- B. Annelids
- C. Arthropods
- D. None of these
|
| 7 |
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
|
| 8 |
Flame cells are excretory cells in. |
- A. Flatworms
- B. Segmented worms
- C. Round worms
- D. Anseets
|
| 9 |
A rasping tongue like radula having horny teeth is present in. |
- A. sponges
- B. Molluscs
- C. Coelonterates
- D. Annelids
|
| 10 |
Prototherian are commonly called. |
- A. Egg laying mammals
- B. placental mammals
- C. Pouched mammals
- D. None of these
|