This is very important notes and MCQs of caphalochordates

50+ Most Important MCQs on Cephalochordata (With
Answers)

1. Cephalochordates belong to which subphylum?
A. Urochordata
B. Cephalochordata
C. Vertebrata
D. Hemichordata
Answer: B. Cephalochordata


2. Which is the best-known example of Cephalochordata?
A. Ascidia
B. Balanoglossus
C. Amphioxus
D. Herdmania
Answer: C. Amphioxus


3. Cephalochordates are commonly called:
A. Tunicates
B. Lancelets
C. Vertebrates
D. Prochordates
Answer: B. Lancelets


4. Which characteristic feature is present in adult cephalochordates?
A. Notochord only in larva
B. Notochord throughout life
C. No notochord
D. Notochord only in tail
Answer: B. Notochord throughout life


5. Cephalochordates show what type of symmetry?
A. Asymmetry
B. Radial
C. Bilateral
D. Spherical
Answer: C. Bilateral


6. Cephalochordates respire through:

, A. Lungs
B. Gills
C. Skin and pharyngeal region
D. Trachea
Answer: C. Skin and pharyngeal region


7. The circulatory system of cephalochordates is:
A. Open
B. Closed
C. Absent
D. Partially open
Answer: B. Closed


8. Which type of feeding is seen in cephalochordates?
A. Parasitic
B. Filter feeding
C. Predatory
D. Symbiotic
Answer: B. Filter feeding


9. The nerve cord in cephalochordates lies:
A. Below notochord
B. Above notochord
C. Around notochord
D. Absent
Answer: B. Above notochord


10. Excretory organs of cephalochordates are:
A. Nephrons
B. Protonephridia
C. Segmental nephridia
D. Flame cells
Answer: B. Protonephridia


11. Cephalochordates belong to which subphylum?
A. Urochordata
B. Cephalochordata
C. Vertebrata
D. Hemichordata
Answer: B. Cephalochordata


12. Which is the best-known example of Cephalochordata?