Who gave the formula for coefficient of velocity of germination ?
A. Kotowski (1926)
B. Germ (1949)
C. Deloucle & Baskin (1972)
D. Moore (1973)
Who gave the formula for mean germination time?
A. Nicolls &Heydecker (1968)
B. Kotowski (1962)
C. Baskin (1972)
D. Maguire (1962)
Who showed a positive correlation between tetrazolium staining with seed quality in soybean seeds ?
A. Maguire (1963)
B. Barries ei al. (1969)
C. Moore (1973)
D. Woodstock (1976)
Who described. the use of letrazolium for assessing, seed quality and the basis of topographical patterns ____?
A. Moore (1973)
B. Burries etc (1969)
C. Maguare (1962)
D. Kotowski (1926)
Breeders seed production is taken up from the nucleus seed B and A lines are pollinated in an isolation of 1 Km in a ratio of _____?
A. 1:2
B. 1:3
C. 1:4
D. 1:5
In pulses, for the production of nucleus seed we require minimum of _____?
A. 300 plant progenies
B. 400 plant progenies
C. 500 plant progenies
D. 200 plant progenies
In fanning system cultivation of two or more crops is known as ______?
A. Sequential cropping
B. Strip cropping
C. Multiple cropping
D. All the above
The role of boron and zinc has been recognized in crop ____?
A. Mustard
B. Sugarcane
C. Rice
D. None of these
A region with an annual rain fall of less than 10 inches comes under _____?
A. Arid climate
B. Semi arid climate
C. Wet climate
D. Temperature
Plants that can tolerate drought are _____?
A. Xerophytes
B. Trunk plants
C. Hydrophytes
D. None of the above