WorksheetsTracer Technique Quiz
Total questions: 10
Worksheet time: 10mins
What is the primary purpose of tracer technique in plant systems?
To measure soil nutrients
To trace biosynthetic pathways using labelled compounds
To extract secondary metabolites
To graft different plant species
Which of the following is NOT a method used in tracer technique?
Root feeding
Grafting
Infiltration
NMR spectroscopy
Which radioisotope is a pure β-emitter with low intensity?
¹⁴C
³H (Tritium)
³²P
¹³¹I
What is the half-life of Carbon-14?
5730 days
12.43 years
80.4 days
5730 years
Which method is used to detect stable isotopes like ²H and ¹³C?
GM Counter
Mass Spectrophotometer
Liquid Scintillation Chamber
NMR Spectroscopy
Which of the following is an application of ¹⁵N or ¹⁴C tracers?
Photosynthesis rate detection
Determination of purine ring atoms' origin
Cell wall thickness estimation
Water absorption studies
Which component emits gamma radiation?
³²P
¹⁴C
³⁵S
¹³¹I
Which of the following is a stable isotope?
³²P
¹⁴C
³⁵S
¹³C
Which of the following radioactive tracers is used in the uptake study of calcium?
¹³¹I
⁴⁵Ca
³H
¹³C
What is the significance of isotope incorporation technique?
Identification of enzyme structure
Understanding cleavage and bond formation in reactions
Quantifying pigment concentration
Increasing plant biomass
