I. | Platyhelminthes | II. | Mollusca | III. | Annelida |
1. | Only I | 2. | Only II |
3. | Only II and III | 4. | I, II, and III |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
1. | An open circulatory system | 2. | A closed circulatory system |
3. | A lymphatic system | 4. | A portal circulation |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
I: | Bilateral symmetry is the body plan where the body of the animal can be divided into two identical halves through any plane passing through the central axis of the body. |
II: | While Ctenophores and adult Echinoderms have bilateral symmetry, Annelida and Arthropods have radial symmetry. |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
1. | Bilateral symmetry | 2. | Three embryonic layers |
3. | Incomplete digestive system | 4. | Coelom |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
1. | Ectoderm | 2. | Mesoderm |
3. | Endoderm | 4. | Gastroderm |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Consider the given features:
A: | Body cavity lined by mesoderm |
B: | The mesoderm present as scattered pouches in between the ectoderm and the endoderm |
Select the correct option of animals having the features A and B:
A | B | |
1. | Aschelminthes | Annelids |
2. | Platyhelminthes | Ctenophores |
3. | Arthropods | Molluscs |
4. | Arthropods | Aschelminthes |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
I: | The body is divided into segments only externally. |
II: | There is a serial repetition of at least some organs. |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
I: | is derived from embryonic mesoderm. |
II: | is present on the ventral side during embryonic development in chordates. |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The given figure shows broad classification of Kingdom Animalia based on common fundamental features. Which of the following can be true based on the information given in the figure?
a: Sponges represent ‘A’
b: ‘B’ includes flatworms
c: Animals in ‘C’ are triploblastic
d: Radial symmetry is seen in adults of animals in ‘D’
e: Animals in ‘E’ have a complete digestive system
1. | only a, c and e | 2. | only a, b and e |
3. | only b and d | 4. | only a, c and d |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
1. | Choanocyte and helps sponges in movement of water through their canal system |
2. | Choanocyte and helps sponges in reproducing asexually under favourable conditions |
3. | Cnidocyte and helps sponges in catching their prey by paralyzing them |
4. | Colloblast and helps sponges in sticking to a surface |