664 questions across 1 question group — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
$A$. Pharynx is perforated by gill slits.
$B$. Notochord is absent.
$C$. Central nervous system is dorsal.
$D$. Heart is dorsal if present.
$E$. Post anal tail is absent.
Choose the most appropriate answer from the options given below:
Answer: B.
View full solution →| List $I$ | List $II$ |
| $A$ Pterophyllum | $I$ Hag fish |
| $B$ Myxine | $II$ Saw fish |
| $C$ Pristis | $III$ ngel fish |
| $D$ Exocoetus | $IV$ Flying fish |
Choose the correct answer from the options given below :
Answer: A.
View full solution →| List $I$ | List $II$ |
| $A.$ Pleurobrachia | $I.$ Mollusca |
| $B.$ Radula | $II.$ Ctenophora |
| $C.$ Stomochord | $III.$ Osteichthyes |
| $D.$ Air bladder | $IV.$ Hemichordata |
Choose the correct answer from the options given below :
Answer: A.
View full solution →$A$. Presence of a mid-dorsal, solid and double nerve cord.
$B$. Presence of closed circulatory system.
$C$. Presence of paired pharyngeal gill slits.
$D$. Presence of dorsal heart
$E$. Triploblastic pseudocoelomate animals.
Choose the correct answer from the options given below:
Answer: C.
View full solution →Answer: C.
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