A. Mgº
B. Kº
C. NH2
D. Both b & c
Related Mcqs:
- The seventieth element included in the list of essential nutrient element is:__________?
A. Vanadium
B. Cobalt
C. Sodium
D. NickleSubmitted by: Shafiq Rehman
- The nutrient element silicon (Si) is:_________?
A. Beneficial
B. Harmful
C. Both a and b
D. None of the aboveSubmitted by: Shafiq Rehman
- A genetic element which can exist in more than one of the two alternative forms is known as__________________?
A. Episome
B. Disome
C. Mecrosome
D. Peroxisome - Element responsible pollen grain of plant__________?
A. N
B. P
C. K
D. BSubmitted by: Hakeem Taj Shapuki
- Which element is known as chemical police man of plant?
A. Magnesium
B. Phosphorus
C. Potassium
D. All of the aboveSubmitted by: Shafiq Rehman
- Which element is found highest in earth crust?
A. Aluminum
B. Silicon
C. Sodium
D. None of the aboveSubmitted by: Shafiq Rehman
- Essentiality criteria of an element :
A. In the absence of an element, its not possible for plant to complete its vegetative cycle.
B. The role played by an element is specific & can not be replaced by another element.
C. The element is directly involved in the nutrition of the plant.
D. All of theseSubmitted by: Shafiq Rehman
- Which element is deficient in milk _________?
A. Iron
B. Phosphorus
C. Sodium
D. CalciumSubmitted by: Dr Sarfaraz Mirwani
- Heterosis can be fixed by___________________?
A. Apomixis
B. Polyploidy
C. Asexual reproduction
D. All the above - Sustainable technologies to improve soil fertility and physical condition:
A. Balance use of NPK fertilizers according to the need of crops.
B. Following proper crop rotation (shallow rooted and deep root crops) in the cropping session.
C. Regular use of FYM, Composts, acidic mulches, Green manures and Organic fertilizers to increase OM content of Soil.
D. All of the aboveSubmitted by: Shafiq Rehman