Question 2 :
The correct hierarchical order with respect to the level of organization in animals is<br/>

Question 3 :
Statement 1 : Metameric animals are triploblastic<br>Statement 2 : Triploblastic animals are bilaterally symmetrical<br>

Question 5 :
Animals having a built-in thermostat to maintain constant body temperature are known as&#160;<br/>

Question 10 :
Which of the following types of animal are affected the most by temperature changes in the environment?<br/>

Question 16 :
The characters given below are shown by<br>(i) Extracellular and intracellular digestion<br>(ii) Exclusively marine, radially symmetrical, diploblastic, tissue revel of organisation<br>(iii) Bisexual, fertilisation external and indirect development<br>(iv) No asexual reproduction<br>(v) Presence of comb plates<br>

Question 20 :
Read the following statements:<br/>i) Spider and mosquito possess compound eye<br/>ii) Jelly fishes possess cnidoblasts but comb-jelliesnlack them.<br/>iii) Aphids increase crop yield<br/>iv) All animals having true coelom are characterized by the presence of bilateral symmetry usually , tube -within-tube body plan, presence of mesoderm and true segmentation<br/>v) The animals of the phylum porifera have originated from colonial protozoans.<br/><br/>Which of the above statements are correct?<br/><br/>

Question 26 :
Match list I and list II and choose the correct combination from the following<br/><table class="wysiwyg-table"><tbody><tr><td>List I<br/></td><td>List II<br/></td></tr><tr><td>A. Organ pipe coral<br/></td><td>I.&#160; &#160;<i>Physalia physalis</i><br/></td></tr><tr><td>B. Sea fan<br/></td><td>II.&#160;&#160;<i>Gorgonia</i><br/></td></tr><tr><td>C. Portuguese man of war<br/></td><td>III. Pennatulacea<br/></td></tr><tr><td>D. Sea pen<br/></td><td>IV. <i>Tubipora musica</i></td></tr></tbody></table>

Question 27 :
Eggs which have yolk in the centre surrounded by cytoplasm are called as&#160;<br/>

Question 29 :
Which of the following characteristics is/are common in animals belonging to platyhelminthes, coelenterate, echinodermata, mammals, amphibians?

Question 32 :
The correct match for functions of nematocysts is&#160;<br/><table class="wysiwyg-table"><tbody><tr><td>A. Stenotele<br/></td><td>(i) Paralysing<br/></td></tr><tr><td>B. Volvent<br/></td><td>(ii) Capturing<br/></td></tr><tr><td>C. Large glutinant<br/></td><td>(iii) Attachment<br/></td></tr><tr><td>D. Small glutinant<br/></td><td>(iv) Locomotion</td></tr></tbody></table>

Question 35 :
Polyps and medusae are similar in which one of the following context?&#160;

Question 40 :
The Linnaean system of classification uses which one among the following as the basis of organism classification?