| 1 |
A rasping tongue like radula having horny teeth is present in. |
- A. sponges
- B. Molluscs
- C. Coelonterates
- D. Annelids
|
| 2 |
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
|
| 3 |
An example of beautful and delicate sponge called venus flower basket is. |
- A. sycon
- B. Leucoselenla
- C. Euplectella
- D. spongilla
|
| 4 |
Scales in pangolin are actually. |
- A. Modified rings
- B. Modified feathers
- C. spines
- D. Modified hairs
|
| 5 |
The process by which the water leaves the body of sponges are called. |
- A. Ostia
- B. Mouth
- C. Anus
- D. Osculum
|
| 6 |
Pseudo coelom is present |
- A. Cnidaria
- B. Flat work
- C. Round worms
- D. Earth worm
|
| 7 |
Marsupium is the characteristic feature of. |
- A. Dolphin
- B. Opossum
- C. Echidna
- D. duckbill platypus
|
| 8 |
A quatic arthropods respire through |
- A. Lungs
- B. skin
- C. Gills
- D. Spiracles
|
| 9 |
Blood of Arthropoda is. |
- A. Green colour
- B. Red colour
- C. Colourless
- D. Brown colour
|
| 10 |
Excretory system in arthropods is composed of. |
- A. Kidney
- B. Nephridia
- C. Malpighian tubules
- D. Flame cells
|