
Which of the following is a type of symmetry in radiolaria protozoa?

Important Questions on Animal Kingdom
Match the following.
Sub Division | Character | Example | |||
Acoelomata | Coelom is formed by archenteron | Mollusca | |||
Pseudocoelomata | Without a body cavity | Hemichordata | |||
Schizocoelomata | Body cavity should not lined by mesodermal layers | Nematoda | |||
Enterocoelomate | Coelom is formed by splitting of mesoderm | Platyhelminthes |

Column-I | Column-II | ||
P | Mollusca | i | Pseudocoelom |
Q | Annelida | ii | Radula |
R | Nematoda | iii | Radial symmetry |
S | Echinodermata | iv | Segmentation |
Choose the CORRECT combination.


Match the following and choose correct combination.
Column I | Column II | ||
i) | Cellular grade level | a) | Pheretima |
ii) | Tissue grade level | b) | Schistosoma |
iii) | Organ level | c) | Obelia |
iv) | Organ system level | d) | Sycon |




Which of the following phyla possess body cavity as shown in the diagram below?




Consider following features:
- Organ system level of organisation
- Bilateral symmetry
- True coelomates with segmentation of body.
Select the correct option of animal group which possess all the above characteristics:

Match the following
List - I | List - II | ||
(a) | Asymmetry | (i) | Cnidaria |
(b) | Radial symmetry | (ii) | Platyhelminthes |
(c) | Bilateral symmetry and Enterocoelom | (iii) | Porifera |
(d) | Bilateral symmetry without body cavity | (iv) | Hemichordata |
The correct answer is



Consider the following statements (A - C) each with two blanks.
A. Animals like Hydra and jelly fish depict (i)___ symmetry whereas earthworm and leech show (ii)____ symmetry.
B. In (iii)____ and (iv)_____ digestive tract has only single opening (mouth) and is said to be incomplete.
C. Trichinella (Trichina worm) Is a cosmopolitan (v)_____ parasite whereas Fasciola, (liver fluke) lives in the bile ducts of the liver of (vi)____.
Which one of the following options, correctly fills any two statements?

Observe and identify body symmetry of given animals:

An acoelomate animal with bilateral symmetry is

Organisms, attached to substratum generally possess


