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Class – Osteichthyes : 1. Sexes are separate. 2. Fertilisation is usually internal. 3. They are mostly oviparous 4. Development is direct. Regarding 1,2,3 and 4:

( a ) 1 and 3 are correct but 2 and 4 are incorrect
( b ) 3 is incorrect; 1,2 and 4 are correct
( c ) 2 is incorrect; 1,3 and 4 are correct
( d ) 2 and 3 are incorrect but 1 and 4 are correct
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1 Answer

(C) is the right answer.

Class – Osteichthyes : Sexes are separate. Fertilisation is usually external. They are mostly oviparous and development is direct.
answered Jan 6, 2014 by pady_1
 

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