Body Cavity

Q.

All invertebrates are

1. acoelomates

2. coelomates

3. cold blooded animals

4. warm blooded animals

Q.

How does the term ‘Echinodermata’ originate?

Q. Enterocoelom appeared first in the course of evolution in

1. starfish
2. earthworm
3. fishes
4. roundworms

Q.

Name the type of animal body cavity each of the following diagrams represents.

1. 1 - Pseudocoelomate, 2 - Coelomate, 3 - Acoelomate

2. 1 - Acoelomate, 2 - Coelomate, 3 - Pseudocoelomate

3. 1 - Coelomate, 2 - Acoelomate, 3 - Pseudocoelomate

4. 1 - Acoelomate, 2 - Pseudocoelomate, 3 - Coelomate

Q. True coelom appeared first in the course of evolution in

1. roundworms
2. chordates
3. starfish
4. leech

Q. Identify the incorrectly matched pair:

1. Jointed appendages - Arthropods
2. Pseudocoelomate - Platyhelminthes
3. Blind sac type - Cnidaria
4. Asymmetric - Sponge

Q.

Name the type of animal body cavity each of the following diagrams represents.

1. 1 - Pseudocoelomate, 2 - Coelomate, 3 - Acoelomate

2. 1 - Acoelomate, 2 - Coelomate, 3 - Pseudocoelomate

3. 1 - Coelomate, 2 - Acoelomate, 3 - Pseudocoelomate

4. 1 - Acoelomate, 2 - Pseudocoelomate, 3 - Coelomate

Q. Ctenophores and jellyfish resemble each other in being:

1. Diploblastic and coelomate
2. Diploblastic and acoelomate
3. Triploblastic and acoelomate
4. Triploblastic and pseudocoelomate

Q.

Animals in which the body cavity is not lined by mesoderm, and instead, the mesoderm is present as scattered pouches in between the ectoderm and endoderm are:

1. Acoelomates

2. Pseudocoelomates

3. Coelomates

4. Haemocoelomates

Q. Deuterostomic body plan is a type of

1. cell aggregate body plan
2. tube-within-a-tube body plan
3. blind-sac body plan
4. protostomic body plan

Q. Mesoderm helps in the differentiation between

1. diploblastic and triploblastic animals
2. coelomates and acoelomates
3. acoelomates and pseudocoelomates
4. both a and b