Most Important JRF soil science Multiple Choice Question (MCQ) [y]
Q. 21. Which among the following soil has the highest area in India
a) Red Soil
b) Laterite Soil
c) Desert Soil
d) Alluvial Soil
d) Alluvial Soil
Q. 22. In the composition of soil on volume basis mineral matter comprises 45 %, what is the % of soil water and soil air
a) 45
b) 5
c) 50
d) 25
c) 50
Q. 23. which of the following soil is not suitable for nursery crop
a) Alluvial soil
b) Red soil
c) Black soil
d) Both a and b
c) Black soil
Q. 24. Which of the following soil has a characteristic of self-ploughing
a) Black soil
b) Laterite soil
c) Peaty soil
d) Both a and b
a) Black soil
Q. 25. alluvial soil is rich in _____ macro nutrient
a) P
b) N
c) K
d) Zn
c) K
Q. 26. Phosphorus uptake in alkali soil in the form of
a) H2PO4–
b) HPO42–
c) PO43–
d) H3PO4
c) PO43–
Q. 17. little leaf in cotton is due to deficiency of
a) K
b) Zn
c) Mn
d) Mg
b) Zn
Q. 28. According to USDA what is the diameter of medium sand particle
a) 0.5 – 1
b) 0.25 -0.50
c) 0.025 -0.05
d) 0.10 – 0.25
b) 0.25 -0.50
Q. 29. The bulk density of sandy soil is about 1.6 g/cc. what is the approximate value of bulk density for organic matter
a) 0.2 -0.4
b) 0.6- 0.8
c) 1.0-1.5
d) 0.4 -0.6
d) 0.4 -0.6
Q. 30. The water which lies between wilting coefficient and field capacity is called available water .what is range of tension in hygroscopic coefficient
a) 1/3 to 1
b) 1/3 to 31
c) 15
d) 31
d) 31