A maize plant to produce one kg of grain (dry) transpires _____ kg of water:
A.900
B.800
C.700
D.600
Category: Agriculture Plant Physiology Mcqs
Carbon dioxide is liberated during:
A.Ascent of sap
B.Transpiration
C.Photosynthesis
D.Respiration
Non-living substances of the protoplasm are collectively known as:
A.Deutoplasm
B.Plasmagel
C.Mesoplasm
D.Cytoplasm
A free-living anaerobic bacterium capable of N2 fixation in soil is:
A.Azotobacter
B.Streptococcus
C.Clostridium
D.Rhizobium
Unit membrane or (Plasma membrane) is made of:
A.Cellulose
B.Lipoproteins
C.Phosphorproteins
D.Phospholipids
______ is obviously useful to a plant as the excitaion by an insect of one or more sensory hairs of the venus’s flytrap (Dionea muscipula):
A.Chemical potential
B.Action potential
C.Physical potential
D.Biological potential
The role of molybdenum is:
A.Chromosome contraction
B.Carbon assimilation
C.Nitrogen fixation
D.Flowering induction
Photosynthesis is:
A.Catabolic process
B.Anabolic process
C.Exothermic process
D.Exergonic process
Resolving power of a light microscope is:
A.0.1 micro metres
B.0.2 micro metres
C.0.3 micro metres
D.0.4 micro metres
