| 1 |
The largest invertebrate animal is |
- A. Cuttle fish
- B. Octopus
- C. Glant squid
- D. Dhysalia
|
| 2 |
Which of the following is a feature of series deuterostomia |
- A. Cleavage of zygote is spiral and determinate
- B. Coelom is formed due to splitting of mesoderm
- C. Mouth arises from blastopore or anterior margin
- D. Mesoderm is derived from wall of developing gut
|
| 3 |
Th polyp is reduced and medusa is dominant. |
- A. Jelly fish
- B. Hydra
- C. Sea anemon
- D. Obelia
|
| 4 |
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
|
| 5 |
In mollusca the foot is used for |
- A. Capturing prey
- B. Locomotion
- C. Both a and b
- D. None of these
|
| 6 |
One of the following is a fossil fish. |
- A. Cotylosaurs
- B. Veranope
- C. dipnol
- D. Archaeopteryx
|
| 7 |
Marsupium is the characteristic feature of. |
- A. Dolphin
- B. Opossum
- C. Echidna
- D. duckbill platypus
|
| 8 |
The largest invertebrate animal is. |
- A. dog fish
- B. Glant squid
- C. Octopus
- D. Cuttle fish
|
| 9 |
80% of food of sponges consists of. |
- A. Detrital organic matter
- B. algae
- C. Phytoplankton
- D. Zooplankton
|
| 10 |
A quatic arthropods respire through |
- A. Lungs
- B. skin
- C. Gills
- D. Spiracles
|