| 1 |
In annelids the organs for excretion are |
- A. Flame cells
- B. Nephridia
- C. Protonephridia
- D. Kidneys
|
| 2 |
Trypanosoma causes the disease known as |
- A. Malaria
- B. Sleeping sickness
- C. Diarrhea
- D. None of these
|
| 3 |
Blood of Arthropoda is. |
- A. Green colour
- B. Red colour
- C. Colourless
- D. Brown colour
|
| 4 |
Voice organs of birds. |
- A. Larynx
- B. Pharynix
- C. syrinx
- D. Vocal cords
|
| 5 |
Mammals have only |
- A. Right arotic arch
- B. Left arotic arch
- C. Both left and right arotic arches
- D. No artic arch
|
| 6 |
80% of food of sponges consists of. |
- A. Detrital organic matter
- B. algae
- C. Phytoplankton
- D. Zooplankton
|
| 7 |
A quatic arthropods respire through |
- A. Lungs
- B. skin
- C. Gills
- D. Spiracles
|
| 8 |
Neresis belongs to phylum |
- A. Nematoda
- B. Annelida
- C. Arthropoda
- D. Mollusca
|
| 9 |
The pouched mammals are |
- A. Prototheria
- B. Methatheria
- C. Eutheria
- D. Egg lying mammals
|
| 10 |
Marsupium is the characteristic feature of. |
- A. Dolphin
- B. Opossum
- C. Echidna
- D. duckbill platypus
|