A. 28
B. 37
C. 47
D. 21
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A. from hotter to colder bodies
B. from colder to hotter bodies
C. in neither direction
D. in all directions
A. sound waves held on the tape
B. magnetic field on the tape
C. electrical energy
D. variable resistance on the tape
A. Controlled fission
B. Uncontrolled fission
C. Uncontrolled fusion
D. None of the above
A. Plane mirror.
B. Concave mirror
C. Convex mirror
D. Planoz convex mirror
A. mental and physical state of mankind
B. cultivation of trees and vegetables
C. None of above
A. alpha rays
B. beta rays
C. gamma rays
D. X-rays
E. Both a, b & c
A. only real images
B. only virtual images
C. both real and virtual images
D. only inverted images
A. Sugars
B. Amino acids
C. Fatty acids
D. Nucleic acids
A. 4,000 and 5,000/mm3
B. 4,000 and 8,000/mm3
C. 4,000 and 13,000/mm3
D. None of above
