Examination of blood of a person suspected of having anaemia, shows large, immature, nucleated erythrocytes without haemoglobin. Supplementing his diet with which of the following is likely to alleviate his symptoms?
Thiamine
Folic acid and cobalamine
Riboflavin
Riboflavin
D.
Riboflavin
Anaemia refers to any condition in which there is an abnormally low haemoglobin concentration and/or blood cell count. The most common cause is deficiency of iron which is an essential element of haemoglobin molecule.
Thus, the iron compounds in the diet will help to alleviate the symptoms of anaemia.
Thiamine (vitamin B1), deficiency causes beri-beri.
Riboflavin (vitamin B2) deficiency causes cheilosis and skin diseases.
Sulphur is an important nutrient for optimum growth and productivity in
pulse crops
cereals
fibre crops
fibre crops
Nitrogen-fixation in root nodules of Alnus is brought about by
Bradyrhizobium
Clostridium
Frankia
Frankia
The free-living, anaerobic nitrogen - fixer is
Beijerinckia
Rhodospirillum
Rhizobium
Rhizobium
Manganese is required in
nucleic acid synthesis
plant cell wall formation
photolysis of water during photosynthesis
photolysis of water during photosynthesis
Which one of the following elements is not an essential micronutrient for plant growth?
Mn
Zn
Cu
Cu
The two subunits of ribosome remain united at a critical ion level of
Copper
Manganese
Manganese
Manganese
Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statement is not correct during the process of nitrogen fixation?
Leghaemoglobin scavenges oxygen and is pinkish in colour
Nodules act as a site for nitrogen fixation
The enzyme nitrogenase catalyse the conversion of atmospheric N2 to NH3
The enzyme nitrogenase catalyse the conversion of atmospheric N2 to NH3
