Phylum Coelenterata

Q.

What are tentacles?

Q.

Acoelomate phylum is

1. Platyhelminthes

2. Nematoda

3. Nemahelminthes

4. None of the option

Q.

Coelenterates are

1. Asymmetric

2. Acoelomate

3. Coelomate

4. Pseudocoelomate

Q.

Classify the following organisms based on the absence/presence of true coelom (i.e., acoelomate, pseudocoelomate and coelomate) - Spongilla, sea anemone, Planaria, Liver fluke, Wuchereria, Ascaris, Nereis, earthworm, scorpion, birds, fishes, horse.

Q.

Identify the phylum of silver fish.

Q.

The images given below shows members belonging to the phylum ___

1. Annelida

2. Porifera

3. Coelenterata

4. Echinodermata

Q.

Define the terms and give one example of each

(a) Bilateral symmetry

(b) Coelom

(c) Triploblastic

Q. Which among the following features are not characteristic for phylum Coelenterata?

1. Seperate mouth and anus.
2. Bag shaped body.
3. Aquatic
4. Hollow intestines.

Q.

Which of the following is NOT applicable to phylum coelenterata?

1. Radial symmetry

2. Choanocytes

3. Coelenteron

4. Nematoblasts

Q. State whether the following statements are true or false.
[1 mark]

Statement 1 - Organisms in phylum Cnidaria show bilateral symmetry.

Statement 2 - Stinging cell is a characteristic feature of phylum Coelenterata.

1. Only 1 is true.
2. Both are false.
3. Only 2 is true.
4. Both are true.

Q.

Give the zoological name of hagfish.

Q. Which of the following phyla of Kingdom Animalia are triploblastic in nature and have bilateral symmetry?

1. Coelenterata
2. Platyhelminthes
3. Nematoda
4. Annelida

Q. Fern prothallus is

1. Homothallic
2. Heterothallic
3. Heterotrophic
4. Heteromorphic

Q. Which of the following phyla of Kingdom Animalia are triploblastic in nature and have bilateral symmetry?

1. Platyhelminthes
2. Nematoda
3. Coelenterata
4. Annelida

Q. Earthworms belong to the phylum ____________.

1. Coelenterata
2. Nematoda
3. Annelida
4. Platyhelminthes

Q. Given is an animal followed by three terms or features. Choose the term which does not match with the animal.
Hydra.

1. Invertebrate
2. Cnidaria
3. Crustacea
4. None of the above

Q.

Name the coelenterate shown in the diagram below.

1. Sea anemone
2. Sponge
3. Hydra
4. Coral

Q.

Name the coelenterate shown in the image below.

1. Coral

2. Sea anemone

3. Hydra
4. Sponge

Q.

Palaemon (prawn) has an open circulatory system and have jointed legs. To which group does it belong?

1. Arthropoda

2. Protozoa

3. Coelenterata

4. Annelida

Q. Liver flukes belong to the phylum ___.

1. Porifera
2. Coelenterata
3. Platyhelminthes
4. Nematoda

Q. Stinging cell is a characteristic feature of phylum _______.

1. Coelenterata
2. Porifera
3. Protozoa
4. Arthropoda

Q.

Name the coelenterate shown in the diagram below.

1. Sea anemone

2. Hydra
3. Coral
4. Sponge