Advertisements
Advertisements
Question
Write down four characteristics of Ctenophora and give two examples.
Advertisements
Solution
Characteristics of Ctenophora:
(i) They have a transparent body with biradial symmetry and are triploblastic.
(ii) They bear two tentacles and eight longitudinal rows of ciliary comb-plates for locomotion.
(iii) They are marine, solitary or free-swimming.
(iv) They lack nematocysts but adhesive cells (colloblasts) are present.
Examples: Pleurobrachia (comb jelly) and Ctenoplana
APPEARS IN
RELATED QUESTIONS
How do poriferan animals differ from coelenterate animals?
What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?
Write down four main characters of Annelida.
Define the term hermaphrodite. Give two examples.
What do you mean by the term triploblastic animals? Give two example.
Write down four general characters of phylum Arthropoda. Give two examples.
The animals (Kingdom Animalia) are mainly grouped under two categories
Rewrite the following scientific names correctly.
ficus religiosa (peepal), zea Mays (maize) and Bombyx Mori (silk moth).
What are the group names of the following categories of animals?
Animals with three pairs of legs ___________
Give any one difference between the following :
Flatworm and Roundworm
Write name of any poikilothermic animal.
Fill in the blanks:
Dog fish belongs to phylum ______.
Choose the correct answer: Mosquito is included in insects because
Choose the correct answer: The animal of class pisces is
Assertion: Binomial name is the universal name and contains two names.
Reason: It was first introduced by Carolus Linnaeus
Write the binomial name of
- Human being
- Paddy
Select the INCORRECT statement from the following.
Bilaterally symmetrical and acoelomate animal are exemplified by:
Kingdom Animalia is characterized by
