10 MCQ on Plant Science for various Agriculture Exams✅ Part -106

1. Sieving technology for isolation/extraction of nematodes was developed by
   a. Needham
   b. Atkinson
   c. Goodey
   d. N.A. Cobb

2. The basic machine used in seed processing is
   a. Specific gravity separator
   b. Needle sorter
   c. Debearder
   d. Air screen & grader

3. The diagrammatic representation of karyotype of a species is
   a. Gene map
   b. Idiotype
   c. Linkage map
   d. Ideotype

4. Useful index of compost maturity is
   a. Reduction in temperature
   b. Reduction in moisture content
   c. Decrease in C:N ratio
   d. Increase in C:N ratio

5. The minimum genetic purity standard for cotton hybrid seed is
   a. 98%
   b. 85%
   c. 90%
   d. 95%

6. Type of RNA which codes for a polypeptide
   a. rRNA
   b. SnRNA
   c. tRNA
   d. mRNA

7. The test cross ratio for polymeric gene interaction is
   a. 3:1
   b. 1:1:2
   c. 3:1
   d. 1:2:1

8. Measuring the size of the spores in a microscope is known as
   a. Meteorology
   b. Pathometry
   c. Turbidometry
   d. Micrometry

9. Which is the systemic fungicide?
   a. Thiram
   b. Carbendazim
   c. Mancozeb
   d. Captan

10. Variety Registration activity is undertaken by which of the Institute
    a. NBPGR
    b. PPVFRA
    c. Bioversity International
    d. ICAR