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प्रश्न
Find the odd one out. Give reason.
sea urchin, starfish, brittle star, jellyfish
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उत्तर
jellyfish: jellyfish belongs to Cnidarians whereas the rest three are echinoderms.
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संबंधित प्रश्न
Find the odd one out. Give reason.
jellyfish, hydra, sea anemone, butterfly
Observe the figure and answer the questions given below.
a) To which phylum these organisms belong?
b) Name the substance with which their body is covered.
c) Name their organs of locomotion.

______ is a cold blooded animal.
Identify my class/phylum and give one example of it:
I have mammary glands and exoskeletons in the form of hair.
Which of the following is not a criterion for classification of living organisms?
Fill in the boxes given in Fig. 7.2 with appropriate characteristics/plant group (s)

Paired and jointed legs are seen in phylum ______.
Animals belonging to phylum protozoa reproduce by fission.
Match the following and choose the correct option:
| Column I | Column II |
| A. Family | i. Tuberosum |
| B. Kingdom | ii. Polymoniales |
| C. Order | iii. Solanum |
| D. Species | iv. Plantae |
| E. Genus | v. Solanacea |
What is the difference between flora, fauna and vegetation? Eichhornia crassipes is called as an exotic species while Rauwolfia serpentina is an endemic species in India. What do these terms exotic and endemic refer to?
