Question 6 :
Which of the following statement can be related to mesogloea and mesoderm?

Question 8 :
<br/>In which of the following types of animals would you expect the digestive system to be more complex?

Question 10 :
All animals having true coelom are characterised by all the following, except.

Question 13 :
Choose the correct answers from the alternatives given.<br>The presence of mesoderm

Question 14 :
The presence of gill slits, in the embryos of all vertebrates support the theory of?

Question 18 :
Consider the following statements with two blanks X and Y and select the option which correctly fills up these blanks? In the centre of the inter vertebrel disc, a soft area is present called ______ X __________. Which is supposed to be remnant of ________ Y _________.<table class="wysiwyg-table"><tbody><tr><td>X</td><td>Y</td></tr><tr><td>(a) Nucleus pulposus</td><td>Notocord</td></tr><tr><td>(b) Nerve cord</td><td>Notocord</td></tr><tr><td>(c) Pulposus</td><td>Notocord</td></tr><tr><td>(d) Notocord</td><td>Nerve cord</td></tr></tbody></table>

Question 20 :
Match the following list of animals with their level of organization.<table class="wysiwyg-table"><tbody><tr><td>Division of Labour</td><td>Animal</td></tr><tr><td>A. Organ level</td><td>i. Pheritima</td></tr><tr><td>B. Cellular aggregate level</td><td>ii. Fasciola</td></tr><tr><td>C. Tissue level</td><td>iii. Spongilla</td></tr><tr><td>D. Organ system level</td><td>iv. Obelia</td></tr></tbody></table>Choose the correct match showing division of labour with animal example.<br>

Question 29 :
Which of the following is not a trend seen in the evolution of animals?

Question 32 :
Which one of the following feature is shared by all living organism at all hierarchical level?

Question 33 :
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>