Question

1. Which of the following phylum is known for its asymmetrical body shape?
a) Mollusca
b) Arthropoda
c) Annelida
d) Porifera

2. Name the phylum which has a single opening for taking food and throwing out faeces?
a) Coelenterate
b) Porifera
c) Annelida
d) Aschelminthes

3. Name the organism which has flame-cell in its excretory system?
a) Corals
b) Ctenophora
c) Roundworm
d) Flatworm

4. Which of the following is causative agent of Trichionosis?
a) Trichinella spiralis
b) Oxytricha trifallax
c) Morus nigra
d) Agrodiaetus shahrami

5. Intestinal fluke disease is caused by phylum__________
a) Ctenophora
b) Platyhelminthes
c) Annelida
d) Aschelminthes

6. Which organism has segmental nephridia for excretion and osmoregulation?
a) Platyhelminthes
b) Aschelminthes
c) Annelida
d) Arthropoda

7. In arthropods, Ecdysis or moulting is a process of casting off the skin.
a) True
b) False

8. Which of the following phylum has a water vascular system?
a) Plantae
b) Mollusca
c) Echinodermata
d) Hemichordata

9. Name the phylum which is characterized by the presence of notochord.
a) Chordata
b) Hemichordata
c) Echinodermata
d) Mollusca

10. Name the first vertebrate which possessed amniotic egg?
a) Amphibia
b) Aves
c) Reptilia
d) Mammalia​

Answer 1

her its u r answer dear

1. Which of the following phylum is known for its asymmetrical body shape?

*d) Porifera

2. Name the phylum which has a single opening for taking food and throwing out faeces?

*a) Coelenterate

3. Name the organism which has flame-cell in its excretory system?

*d) Flatworm

4. Which of the following is causative agent of Trichionosis?

*a) Trichinella spiralis

5. Intestinal fluke disease is caused by phylum__________

*b) Platyhelminthes

6. Which organism has segmental nephridia for excretion and osmoregulation?

*c) Annelida

7. In arthropods, Ecdysis or moulting is a process of casting off the skin.

*a) True

8. Which of the following phylum has a water vascular system?

*c) Echinodermata

9. Name the phylum which is characterized by the presence of notochord.

*a) Chordata

10. Name the first vertebrate which possessed amniotic egg?

*a) Amphibia

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