Irregular rock masses formed in the pre-existing cracks & crevices are:__________? April 20, 2025 by admin A. Sills B. Dikes C. Lacoliths D. Batholiths
Ammonium sulfate fertilizer containing 21% N & 24% S, is best in top dressing in:_________? April 20, 2025 by admin A. Barley B. Rice C. Date palm D. None of these
From the sources of plant nutrients availability in soil, which of the following statements are correct: April 20, 2025 by admin
The lower leaves turn yellow and in some crops they quickly start drying up as if suffering from shortage of water, stunted growth, leaves & fruits shedding & whole plant becomes yellow, are deficiency symptoms of:_________? April 20, 2025 by admin A. Potash B. Nitrogen C. Calcium D. Both a & c
Items needed for synthesis of plant food in green leaves are _________ & the process through which it takes place is called photosynthesis: April 20, 2025 by admin A. Sunlight B. Chlorophyll C. Water & plant nutrients D. All of the above
Who is known as “the father of Hybrid Rice”? April 20, 2025 by admin A. Yaun Longping B. Yaun Pingpong C. Zuhee yaun D. None of theseYuan Longping was a Chinese agronomist, member…
Nitrogen & sulphur dioxide liberate from motor vehicles & industries. Nitrogen & Sulphur gases dissolve in the water vapour of atmosphere & form nitric & sulphuric acid. This rain water falls on soil as__________ & contaminates soil also: April 20, 2025 by admin A. Acid rain B. Neutral rain C. Both A & B D. None of the above
Moderately toxic compound:_________? April 20, 2025 by admin A. Lead B. Fluorine C. Nickle D. All of the above
Soils are also contaminated by a number of inorganic compounds which are also high toxic to human & other animals & are extremely poisonous may include: April 20, 2025 by admin A. Arsenic & Cadmium B. Mercury & chromium C. Calcium & Magnesium D. Both A & B
