EASY
Earn 100

What animals have complete digestive system?

Important Questions on Diversity In Living Organisms

EASY
Radial symmetry is often exhibited by animals having        
EASY
Principal type of symmetry in triploblastic animals
MEDIUM
Write the difference between unisexual and bisexual animals. Give one example of each.
MEDIUM

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

EASY

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

Question Image

EASY
True symmetry found in an animal which can be divided into two similar halves by one plane only is ____.
EASY

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
EASY
Match the species in Column-I with their respective feature of body organisation in Column-II
  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.

EASY
Which one of the following phyla is a pseudocoelomate?
EASY

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:

EASY

Level of organisation in sponges is

EASY
Which one of the following kind of animals is triploblastic?
MEDIUM
_____ (Platyhelminthes/Annelids) have incomplete digestive system.
EASY

Coelom derived from blastocoel is known as

MEDIUM

True segmentation (metameric) occurred for the first time in

MEDIUM

True segmentation (metameric) occurred for the first time in

EASY
Which of the following exhibits an incomplete digestive system?
EASY
What is incomplete digestion example?