PROTOCHORDATES

1 . Notochord develops from
a. Ectoderm b. Endoderm c. Chorda mesoderm d. None
2. Chordates were evolved from
a. Molluscs b. Echinoderms c. Arthropods d. Annelids
3. Cephalochordates are
a. Filter feeder b. Predators c. Carnivorous d. All
4. Amphioxus is
a. Burrowming b. Nektonic c. Pelagic d. None
5. Larval forms of urochordates is known as
a. Tornaria b. Bipinnaria c. Tadpole d. Trochordata
6. Phylum chordate was established by
a. Hyman b. Huxley c. Balfour d. Rommer
7. Larva of Balanoglossus is
a. Bipinnaria b. Tornaria c. Auricularia d. Trochophore
8. Ascidian show
a. Neoteny d. Retrogressive metamorphosis c. Paedogenesis d. All the above
9. Tunicin is the basic material of
a. Skin of echnoderms b. Test of urochordata c. Shell of mollusca d. All the above
10. Vandium is found in blood of
a. Amphioxus b. Tunicates c. Myxine d. Tadpole larva of frog
11. In Amphioxus excretion takes place by
a. Flames cells b. Protonephridium c. Myotomes d. Kidney
12. Balanoglossus forms burrow like
a. S-shaped b. U-shaped c. Z-shaped d. None
13. Cranium is absent in
a. Protochordata b. Vertebrata c. Craniata d. All the above
14. Test of ascidian is
a. Protective b. Restiratony c. Sensory d. All
15. Endostyle is
a. Stigmatal opening b. Hypopharyngeal groove c. Atrial tentacles d. Tubular nerve cord
16. Colonial ascidian is
a. Herdmania b. Botryllus c. Doliolum d. Ciona
17. Ciliated organ of Muller is
a. Velum b. Wheel organ c. Branchial sac d. None
18. Sea squirt is common name of
a. Balanoelossus b. Herdmania c. Amphioxus d. None
19. The larva from which chordates are supposed to be evolved
a. Auricularia b. Trochophore c. Bipinnaria d. Tornaria
20. Peromyzon is etoparasite on
a. Rat & squirrel b. Fishes & turtles c. Cattles d. All the above
21. Myxine is endoparasite of
a. Crabs b. Sea snakes c. Fishes d. None
22. Petromyzon is
a. Anadromous b. Catadromous c. Nodroinous d. None
23. Pineal orgran is found in
a. Myxine b. Petromyzon c. Both d. None
24. Lamprey is the common name of
a. Petromyzon b. Myxine c. Amphioxus d. None
25. Myxine is commonly known as
a. Hag muscle b. Hag fish c. Hedge hog d. None


1.c 2.b 3.a 4.a 5.c 6.c 7.b 8.b 9.b 10.b 11.b 12.b 13.a 14.d 15.b 16.b 17.b 18.b
19.a 20.b 21.c 22.a 23.b 24.a 25.b