1 |
The inner layer of most sponges is called. |
Pinacoderm
Choanoderm
Epiderm
Endoderm
|
2 |
An example of beautful and delicate sponge called venus flower basket is. |
sycon
Leucoselenla
Euplectella
spongilla
|
3 |
Pseudo coelom is characteristic. |
Nematoda
Mollusca
Annelida
Echinodermata
|
4 |
In Mollusca, a blue respiratory pigment is present called. |
Haemoglobin
Haemoerythrin
Haemocyanin
Prothombin
|
5 |
The largest invertebrate animal is. |
dog fish
Glant squid
Octopus
Cuttle fish
|
6 |
Portuguese man of war is the name used for. |
Physalia
Obelia
Hydra
Aurelia
|
7 |
Pseudo coelom is characteristics feature of. |
Aschelminthes
Annelida
Mollusca
Profera
|
8 |
Pseudo coelom is present |
Cnidaria
Flat work
Round worms
Earth worm
|
9 |
The animals without a body cavity are called. |
Eumetazoa
Pseudocoelomata
Coelomata
Acoelomata
|
10 |
The integumentary and nervous system are developed from |
Endoderm
Ectoderm
Mesoderm
Mesoglea
|
11 |
In protostomes, the blastopore forms the |
Anus
Brain
Excretory pore
Mouth
|
12 |
Which is not included in proterostomia. |
Arthropod
Mollusca
Annelida
Enchinodermata
|
13 |
Which of the following is a motile coclenterate |
Hydra
Obelia
Jelly fish
Corals
|
14 |
The skeleton of Athropds is made of |
Silica
Chitin
Calcium carbonate
Both a and c
|
15 |
Protandrous means |
Male sex cells develop first
Male and female sex develop simultaneously
Female sex cell develop first
None of the above
|
16 |
The food of porifera consists of microscopic organisms and organic particles in a percentage ratio of |
10% & 90% respectively
20% & 80% respectively
30% & 70% respectively
40% & 60% respectively
|
17 |
Which of the following are called as sponges |
Protozoa
Porifera
Coelentrata
Nematoda
|