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Which of the following is incorrect in c...

Which of the following is incorrect in case of birds?

A

Presence of teeth

B

Presence of scales

C

Nucleated RBCs

D

Hollow bones

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CHETANA PUBLICATION-Kingdom Animalia -Exercise
  1. …………………………has a venous heart.

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  2. In Ascaris…………… .

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  3. Which of the following is incorrect in case of birds?

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  4. Chitinous exoskeleton is a characteristic of………… .

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  5. The body plan in which the alimentary canal has a single opening is ca...

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  6. The tube within tube plan is not present in………….. .

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  7. The body wall of Hydra is………… .

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  8. The salient character of Arthropoda is…………… .

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  9. Organs of Bojanus' is characteristic feature of…………….. .

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  10. Which of the following are exclusively marine animals?

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  11. Water vascular system is the unique character of…………… .

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  12. Notochord is absent in the group………….. .

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  13. Excretion and osmoregulation in Earthworm is by………….. .

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  14. Mammary glands are modified……………. .

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  15. Which of the following animals show cellular grade of organisation?

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  16. Mode of digestion in sponges is…………. .

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  17. Which of the following animals is radially symmetrical?

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  18. A characteristic of coelenterate only, is the occurrence of……….. .

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  19. Nervous system first originated in…………… .

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  20. Mesoderm first appears in…………….. .

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