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What is true about Asterias, Ophiura and...

What is true about Asterias, Ophiura and Cucumaria?

A

They all possess ventral heart

B

They all exhibit secondary radial symmetry

C

They all have mouth on dorsal side and anus on ventral side

D

They all are sessile organisms

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AAKASH INSTITUTE ENGLISH-TEST 7-Exercise
  1. Which of the following represents the correct combination without any ...

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  2. Mark the odd one among the following parasitic organisms.

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  3. What is true about Asterias, Ophiura and Cucumaria?

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  4. Common characteristic between devil fish and tongue worm is

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  5. Life of Petromyzon begins in A and ends in B Select the option which g...

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  6. Select the correct matched with its scientific name

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  7. Structure present at the junction of foregut and midgut in cockroach a...

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  8. Presence of pneumatic bones and avascular air sacs are characteristic ...

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  9. Every phylum is named according to certain features present in most of...

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  10. Select the incorrect statement

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  11. A chordate having both vertebral column and notochord in adult stage i...

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  12. How many among the animals given in the box are homeotherms having bon...

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  13. As compared to Clarias, Trygon has

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  14. Characteristic(s) common between Macropus. Omithorhynchus and Pteropus...

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  15. Notochord in chordates is located

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  16. Economically harmful insect is

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  17. Read the following statements and select the correct option br 1. In p...

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  18. Select the correct option where the set of animals which belong to sam...

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  19. Read the following features of certain organisms. Br (a) Metameric seg...

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  20. Mark the odd one among the following invertebrates.

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