2002 General Studies, all questions
UPSC Prelims 2002 · General Studies
Question 127: Science and Technology
Which one of the following statements is correct?
aAll echinoderms are viviparous
bRound worm has no circulatory system
cIn bony fishes, swim bladder is usually present
dIn cartilaginous fishes, fertilisation is internal
The published answer to this question looks wrong to us, so none is shown until it has been checked.
Source: UPSC, Civil Services (Preliminary) Examination 2002, General Studies. UPSC's own paper isn't online; the words are from a published compilation. The paper on upsc.gov.in.