Pakistan has a total forest area of about ______?
A. 22 million ha
B. 32 million ha
C. 12 million ha
D. 20 million ha
The contribution of agriculture in the GDP of the country is _____?
A. 25%
B. 35%
C. 30%
D. 40%
One rooting hormone occurring naturally in plant is ____?
A. Indolebutyric
B. Indolacetic acid
C. Naphthalene acetic acid
D. None of the above
The systematic arrangement of soil in to groups or categories is called _____?
A. Classification
B. Annuals
C. Perennials
D. Ranking
Hybrid seeds are developed because they ______?
A. Produce better crop
B. Provide greater vigour
C. Are more uniform
D. All the above
genetic purity is assessed through _____?
A. Inspection
B. Seed testing
C. Germination
D. All the a b c
A method of estimating seed vigour on the basis of color intensity o the stained seeds was described by _____?
A. Germ and Keitreiber (1954)
B. Kittock and Law (1963)
C. Maguire (1963)
D. Moore (1973)
The available form of nitrogen for plants is ____?
A. NO3
B. NH4
C. Both a and b
D. non of these
Foliar application of nitrogen means applying nitrogen in solution form to ____?
A. Whole plant
B. Leaves
C. Stem only
D. Flowers only
Tillage is field operation which help in cutting, loosening and inverting the soil for _____?
A. Fertilization
B. Irrigation
C. Seed bed preparation
D. Transplantation
