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Read the following statements and select...

Read the following statements and select the correct option.

A

Mixing of oxygenated and deoxygenated blood occurs in heart of fish and amphibians

B

Paired pharyngeal gill slits present on dorsal side of body are characteristic feature of chordates

C

Gills function as respiratory as well as excretory structure of molluses

D

Male and female leeches can be distinguished on the basis of size

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AAKASH INSTITUTE ENGLISH-TEST 7-Exercise
  1. Select the incorrect statement

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  2. The opening of stoma is aided due to the orientation of the microfibri...

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  3. Read the following statements and select the correct option.

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  4. A true fish among the following is not

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  5. Structures called ommatidia are associated with which organ system of ...

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  6. Which one of the following is the correct description about the animal...

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  7. In contrast to flatworms, the roundworms show

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  8. Which of the following represents the correct combination without any ...

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

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

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  11. Common characteristic between devil fish and tongue worm is

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

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  13. Select the correct matched with its scientific name

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

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

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

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  17. Select the incorrect statement

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

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

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  20. As compared to Clarias, Trygon has

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