Libby's method has been used to date ------------- . A ) Woven flax wrappings of the Dead Sea scrolls . B ) All of above . C ) Cloth of the enigmatic shroud of Turin . D ) C - 14 . E ) Wooden furniture in Egyptian tomb . ?

1 )  Libby's method has been used to date . . . . . . . . . . . . . . . . .

A )  Woven flax wrappings of the Dead Sea scrolls .

B )   All of above .

C )   Cloth of the enigmatic shroud of Turin .

D )   C - 14 .

E )   Wooden furniture in Egyptian tomb .

Answer  : - B )   All of above .

  

2 ) In 1700 years , one - half of a given quantity of Ra - 226 is transmuted into . . . . . . . . . . . . . . . . . 

A )   Lead .

B )   Radon .

C )   Silver .

D )   Silica .

E )   Thorium .

Answer : - B )   Radon .

 

3 )  The following equation of the form is named as . . . . . . . . . . . . . . . equation .

A )   All of above .

B )   Heart Pacemaker .

C )   Logistic .

D )  Asymptotic .

E )  Gompertz .

Answer : - E )  Gompertz .

 

4 ) Which of the following term represents steady - state current in a series circuit .

Answer : -  E )

 

5 )  Which of the following model predicts the growth ( decay ) of bacteria , protozoa , water fleas , and fruit flies ?

Answer  : - C )

 

6 )  The graph of logistic function is called . . . . . . . . . . . . . . . curve .

A )   None of above .

B )   Sinusoidal .

C )   Logarithmic .

D )   Exponential .

E )   Logistic .

Answer : - E )   Logistic .

 

7 )   The following relation indicates temperature of a body with certain time "t” . At what time body attains temperature 70 F ?

Answer : - D )

 

8 )   At what time , one - half of a quantity of U - 238 is transmuted into Pb – 206 ?

A )   5.0 billion years .

B )   5.5 billion years .

C )   4.5 billion years .

D )   0.5 billion years .

E )   2.5 billion years .

Answer : - C )   4.5 billion years .

 

9 )   A . . . . . . . . . . . . order . . . . . . . . . . . . reaction is obtained when decomposition of U - 238 by radioactivity into Th- 234 .

A )   None of above .

B )   first , linear .

C )   first , nonlinear .

D )   second , nonlinear .

E )   second , linear .

Answer : - B )   first , linear .

 

10 ) Which of the following model denotes a model of animal population ?

Answer : - C )