Nitrogen is fixed in ecosystems in ways stated below. Whi...
Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?
By cyanobacteria
By electrical discharges in the atmosphere
By industrially synthesised fertilizer
By denitrification
Correct answer is D
No explanation has been provided for this answer.
The digestive enzyme that coagulates proteins in milk is ...
Exo-erythrocytic phase of the life cycle of malaria parasite occurs in the ...
Which of the following orders correctly represents the trend in eutrophication? ...
Which of the following statements about the lymphatic system is not correct? ...
A man's blood group is AB. What is the probability of the man giving birth to a child with blood...
Which of the following processes removes water from the water cycle? ...
The parts which function together to bring about hearing are labelled ...
In the diagram, the species whose distribution is not affected by rainfall is ...
The stems of young herbaceous plants are kept upright mainly by ...