Question 6 :
The correct hierarchical order with respect to the level of organization in animals is<br/>

Question 7 :
When the body of the animal can be divided into identical halves&#160;in only one plane then it is termed as&#160;<br/>

Question 9 :
Organism that can maintain a constant internal temperature are called as

Question 13 :
Which of the following types of animal are affected the most by temperature changes in the environment?<br/>

Question 15 :
Animals having a built-in thermostat to maintain constant body temperature are known as&#160;<br/>

Question 16 :
Statement 1 : Metameric animals are triploblastic<br>Statement 2 : Triploblastic animals are bilaterally symmetrical<br>

Question 27 :
<br/>In which of the following types of animals would you expect the digestive system to be more complex?

Question 28 :
Animals whose bodies are made of two layers are also called&#160;<br/>

Question 30 :
Which of the following statements is wrong about symmetry, while the other three are correct?

Question 32 :
All animals having true coelom are characterised by all the following, except.

Question 34 :
The membranes that suspend vertebrate organs in the body cavity are called:

Question 35 :
A list of animals is given below. Identify the animals with open circulatory system and choose the correct answer.<br/>(A)&#160;Squid&#160;&#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160; (B<b></b>) Cockroach<br/>(C) Earthworm &#160; &#160; &#160; &#160; &#160; &#160; (D) Prawn<br/> (E<b></b>) Silverfish &#160; &#160; &#160; &#160; &#160; &#160; &#160; &#160;(F) Snail<br/>

Question 36 :
The animals in which coelom originates as a space in the mesoderm are termed as&#160;<br/>

Question 37 :
Classify the following organisms based on the absence/presence of true coelom (i.e, acoelomate, pseudocoelomate and coelomate)&#160;<br/>Spongilla, Sea anemone, Planaria, Liverfluke Wuchereria, Ascaris, Nereis, Earthworm, Scorpion, Birds, Fishes, Horse.

Question 42 :
Which of the following occupies the highest level in the heirarchy of organisation?<br/>

Question 44 :
Which of the following characteristics is/are common in animals belonging to platyhelminthes, coelenterate, echinodermata, mammals, amphibians?

Question 46 :
Which part of nematocyst projects out of the body of the cell?<br>

Question 48 :
A collection of different groups of cell joined together in a structural unit to perform a function is known as:<br/>

Question 49 :
The Linnaean system of classification uses which one among the following as the basis of organism classification?