| 1 |
Sphenodon is found is. |
- A. Australia
- B. New Zealand
- C. Texas
- D. Berlin
|
| 2 |
The skeleton of Athropds is made of |
- A. Silica
- B. Chitin
- C. Calcium carbonate
- D. Both a and c
|
| 3 |
The food of porifera consists of microscopic organisms and organic particles in a percentage ratio of |
- A. 10% & 90% respectively
- B. 20% & 80% respectively
- C. 30% & 70% respectively
- D. 40% & 60% respectively
|
| 4 |
Mammals have only |
- A. Right arotic arch
- B. Left arotic arch
- C. Both left and right arotic arches
- D. No artic arch
|
| 5 |
Which of the following is a motile coclenterate |
- A. Hydra
- B. Obelia
- C. Jelly fish
- D. Corals
|
| 6 |
The excretory system of flatworms is composed of. |
- A. Nephron
- B. Nephridia
- C. Flame cells
- D. Ganglia
|
| 7 |
Blood of Arthropoda is. |
- A. Green colour
- B. Red colour
- C. Colourless
- D. Brown colour
|
| 8 |
In Mollucs, a respiratory pigment of blue colour is present called. |
- A. Haemoglobin
- B. Haemocyanin
- C. Haemoery thrin
- D. None of these
|
| 9 |
In hydra ectodermal cells get food from endodermal cells by. |
- A. Osmosis
- B. diffusion
- C. Active transport
- D. Facilitated diffusion
|
| 10 |
The spinny skinned animals are included iin. |
- A. Porifere
- B. echinodermata
- C. Mollusca
- D. Annelida
|
