मराठी

What is Difference Between Bilateral Symmetry and Radial Symmetry?

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प्रश्न

What is difference between bilateral symmetry and radial symmetry?

फरक स्पष्ट करा
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उत्तर

Bilateral Symmetry Radial Symmetry
 1. Limbs and organs are paired.


1.Limbs and organs occur all around the central axis. 
2. Cephalization is present. 2. Cephalization is absent.
3. The animals body can be divided into two equal halves (i.e., mirror images) by one plane called midsagittal plane. 3. The animal’s body can be divided into two equal halves by any vertical plane passing through the central axis.
Examples. Earthworm, fish, frog, human, being, etc. Examples. Hydra, starfish, etc. 
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पाठ 4: Diversity in Living Organisms - Short Answer Type Questions [पृष्ठ २२६]

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पी एस वर्मा आणि व्ही के अग्रवाल Biology Part 3 [English] Class 9
पाठ 4 Diversity in Living Organisms
Short Answer Type Questions | Q 27. | पृष्ठ २२६

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Match the animals given under column A with their respective classification group given under column B  

  Column A    Column B
1 Sponge  a  Amphibia 
2 Snail  b Reptilia 
3 Butterfly  c Echinodermata 
4 Toad  d Mollusca
5 Lizard  e Arthropoda
6 Starfish  f Porifera

Write down four general characters of phylum Arthropoda.


What are adaptations in fishes due to which they are aquatic?


Write down four characters of Chondrichtyes.


Write short note on protochordates.


Give an example of Urochordata.


Give any one difference between the following :

Insecta and Arachnida


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


Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.

Bat - Aves, Mammalia, Chordata


Name any two animals which possess compound eyes.


Give two examples of each of the following: Platyhelminthes


Give two examples of each of the following: Annelida


Fill in the blanks:

Nephridia are the excretory organs of ______.


Choose the correct answer: The animal of phylum mollusca is


Choose the correct answer: Which of the following is not a helminth parasite?


Choose the correct answer: Protista is the link between


Choose the correct answer: Multicellular producers are


Choose the correct answer: Binomial Nomenclature was proposed by


The binomial name of onion is ______.


Write the binomial name of

  1. Human being 
  2. Paddy

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