Sunday, October 17, 2010

DIVERSITY IN LIVING ORGANISMS...Part II

ANIMALIA

86. Animalia are --------------, -------------------- and ------------------.
87. Their cells have cell walls. True or False?

PORIFERA

88. Porifera means ------------------.
89.  Porifera are --------------- animals attached to some solid support.
90. How are the 'pores' used?
91. The hard outside layer covering these animals is called -------------.
92. What are sponges? In what species are they found commonly?
93. Give examples of Porifera.

COELENTERATA (CNIDARIA)

94. They live in -------------.
95. There is a cavity in their body. True or False?
96. What is the nature of the two layer of cells found in them?
97. Give common examples of Coelenterata.
98. Give examples of Coelenterata that have a solitary life.Give example of Coelenterata that live in colonies.

PLATYHELMINTHES

99. The body of these animals is --------------designed.
100. What do you mean by bilaterally symmetrical? Give example for such animals.
101. Why are these animals called triploblastic?
102. There is no internal boday cavity or coelem. True or False?
103. The body is flattened --------------------, meaning from --------- to --------------.
104. Why are they called flatworms?
105. Give examples of free living animals.
106. Give examples of parasites.

NEMATODA

107. They  are also bilaterally symmetrical and triploblastic. True or False?
108. What is the shape of their body?
109. What is pseudocoelem?
110. What are the diseases caused by them?
111. Elephantiasis is caused by ---------------.
112. What are the worms in the intestines?

ANNELIDA

a. They are bilaterally symmetrical and triploblastic. True or False?
b. What type of coelem  they have?
c. What is the use of this type of coelem ?
d. Are these animals segmented?
e. How are they segmented?
f. Where do these animals live?
g. Give examples of Annelida.

ARTHROPODA

113. This is the largest group of animals. True or False?
114. They are bilaterally symmetrical and segmented. True or False?
115. The circulatory system is --------------- and so the blood -------------------- in well defined blood vessels.
116. The coelomic cavity is -------------.
117. What do you mean by 'arthropod'?
118. Give examples of these animals.

MOLLUSCA

119. There is bilateral symmetry. True or False?
120. The coelomic cavity is -------------- and there is ---------- segmentation.
121. They have an ---------------------- circulatory system and --------------- organs for excretion.
122. How do they move around?
123. Give examples.

ECHINODERMATA

124. What is the meaning of 'echinos'?
125. What is the meaning of derma?
126. Why are they called echinodermata?
127. They are free living marine animals. True or False?
128. Are they triploblastic?
129. What kind of cavity do they have?
130. How do they move around?
131. What do they use as a skeleton?
132. Give examples.

PROTOCHORDATA

133. They are bilaterally symmetrical, triploblastic and have a coelom. True or False?
134. What is the additional new feature of body design?
135. What is a notochord?
136. What is the use of a notochord?
137. What is a chord?
138. The notochord is present throughout all stages of life. True of False?
139. They are land  / marine animals.
140. Give examples.

VERTEBRATA

141. Why are the animals of this phylum called vertebrata?
142. How do they move?
143. Give the special features possessed by these animals.
144. They are grouped into ------------ classes.
145. The five classes of the vertebrata are -------------, -------------, --------------, --------- and -------------.

PISCES

146. They are exclusively -------------- animals.
147. Their skin is covered with -----------------.
148. How do they obtain oxygen?
149. How do they move?
150. They are warm-blooded / cold-blooded.
151. Their hearts have -------------.
152. Do they lay eggs?
153. What is the difference between a human heart and a the heart of a fish?
154. Describe the different types of skeletons found in Pisces with suitable examples.

AMPHIBIA

155. How are the amphibians different from the Pisces?
156. How do they respire?
157. Do they lay eggs?
158. Where do they live?
159. Give examples.

REPTILIA

160. They are warm-blooded / cold-blooded.
161. Do they have scales?
162. How do they breathe?
163. How many chambers are there in their heart? How is crocodile's heart different?
164. What is the difference between their eggs and that of the amphibians.
165. Give examples.

AVES

166. These are warm-blooded / cold-blooded animals.
167. How many chambers are there in the heart?
168. Do they lay eggs?
169. What are the features that help in their flight?
170. How do they breathe?
171. Give examples.

MAMMALIA

172. They are warm-blooded / cold-blooded.
173. How many chambers are there in their heart?
174. How do they nourish their youngones?
175. Do all the mammals  lay eggs?
176. Give examples of mammals that lay eggs.
177. Mammals like the ------------- give birth to poorly developed youngones.
178. Give examples.

NOMENCLATURE

179. Why is there a need for systematic naming of living organisms?
180. Why is the scientific name of an organism unique?
181. The scientific name of an organism is universal...True or False?
182. What is nomenclature?
183. Who introduced nomenclature?
184. When we name an organism, we do not list the ---------------, but we write the name of the -------- and the -------------- of that particular organism.
185. The name of the genus and species belong to ------------- language.
186. What are the conventions to be followed while writing scientific names.

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