A.Notochord, ventral nerve cord, dorsal heart
B.Notochord, dorsal tutular nerve cord, pharyngeal slits
C.Notochord, dorsal tubular nerve cord open circulatory system
D.Notochord, double solid ventral nerve cord, red blood cells
A.independent variables
B.dependent variables
C.both of these
A.expressed in numbers
B.expressed in words
C.both of these
A.association alone.
B.more association than a community.
C.community alone.
A. Double entry system
B. American system
C. Single entry system
D. Italic system
A.1.2 days
B.5.73 days
C.5.73 years
D.5730 days
A.Rankine’s theorem
B.Mohr’s hypothesis
C.Castigliano’s theorem
D.Maxwell’s theorem
E.None of the above
A.Alpha-rays
B.Beta-rays
C.X-rays
D.None of these
A.Diesel engine
B.Petrol engine
C.Internal combustion engine
D.All are correct
A.a professional criminal
B.armed robbery
C.young offender must be of age usually 18 years.
D.murder or aggravated assault.
