Plant Physiology

Nitrogen fixation in root nodules of Alnus is brought about by:

Nitrogen fixation in root nodules of Alnus is brought about by: Options (a) Bradyrhizobium (b) Clostridium (c) Frankia (d) Azorhizobium…

A prokaryotic autotrophic nitrogen fixing symboint is found in:

A prokaryotic autotrophic nitrogen fixing symboint is found in: Options (a) Alnus (b) Cycas (c) Cicer (d) Pisum Correct Answer:…

Which one of the following is essential for photolysis of water?

Which one of the following is essential for photolysis of water? Options (a) Manganese (b) Zinc (c) Copper (d) Boron…

Which one of the following elements in plants is not remobilised?

Which one of the following elements in plants is not remobilised? Options (a) Phosphorus (b) Calcium (c) Potassium (d) Sulphur…

The function of leg haemoglobin in the root nodules of legumes is:

The function of leg haemoglobin in the root nodules of legumes is: Options (a) inhibition of nitrogenase activity (b) oxygen…

Which one of the following is not an essential mineral element for plants

Which one of the following is not an essential mineral element for plants while the remaining three are? Options (a)…

Which one of the following pairs is wrongly matched? Alcohol – nitrogenase

Which one of the following pairs is wrongly matched? Options (a) Alcohol - nitrogenase (b) Fruit juice - pectinase (c)…

Which of the following criteria does not pertain to fecilitated transport?

Which of the following criteria does not pertain to fecilitated transport? Options (a) High selectively (b) Transport saturation (c) Uphill…