Tracer Technique Quiz
Authored by Ms. Lata M. Manani
Professional Development
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is NOT a method used in tracer technique?
Root feeding
Grafting
Infiltration
NMR spectroscopy
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which radioisotope is a pure β-emitter with low intensity?
¹⁴C
³H (Tritium)
³²P
¹³¹I
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the half-life of Carbon-14?
5730 days
12.43 years
80.4 days
5730 years
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which method is used to detect stable isotopes like ²H and ¹³C?
GM Counter
Mass Spectrophotometer
Liquid Scintillation Chamber
NMR Spectroscopy
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which component emits gamma radiation?
³²P
¹⁴C
³⁵S
¹³¹I
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