Advertisements
Advertisements
प्रश्न
Write down four main characters of Platyhelminthes.
Advertisements
उत्तर
(i) Their body is bilaterally symmetrical.
(ii) They are triploblastic animals i.e. their tissues differentiate from three embryonic germ layers.
(iii) Excretory system consists of blind tubules called protonephridia, which bear a tuft of cilia at the end called a flame cell.
(iv) They are hermaphrodites i.e. both male and female reproductive organs occur in the same individual.
APPEARS IN
संबंधित प्रश्न
Prepare a list of some animals that are found parasitic on human beings.
Tick (✓) the appropriate answer:
Scientist who introduced binomial nomenclature is
Main characteristics of Nematoda:
Define the term hermaphrodite.
What do you mean by the term coelomate animals?
Name the phylum in which ambulacral system is present. What is its function?
Write down four characters of Chondrichtyes.
Describe some flight adaptations of the birds.
Give one point of difference between notochord and nerve cord.
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Grasshopper-Wings, trachea, proboscis
Give the name of two animals that belong to phylum echinodermata.
Write the name of a mammal who lives in water.
Fill in the blanks:
The excretory organs of platyhelminthes are ______.
Fill in the blanks:
Bath sponge belongs to phylum ______.
Choose the correct answer: The animal of phylum protozoa is
True (or) False. If false write the correct answer.
True nucleus is seen in prokaryotic cell.
What is binomial nomenclature?
Write short notes on – Binomial Nomenclature.
Consider the following statements:
- Annelids are true coelomates
- Poriferans are pseudocoelomates
- Aschelminthes are acoelomates
- Platyhelminthes are pseudocoelomates
Choose the correct answer from the options given below:
