Questions in diversity-of-life

Select	Question
	In one of the following fishes, the dorsal fin is modified into suckers
	Presence of claspers in an important character in
	A fish differs from whale in having
	Salmon belongs to the group of
	One of the following is known as ‘oil sardine’
	Which of the following is a migratory fish
	Similarity between fish and tadpole is
	Which of the following is known as living fossil
	The aquatic organism with prehensile tail is
	Cartilaginous fishes belong to the class