Question
Which of following group of plant nutrients is as
structural elements?Solution
C, H and O are non-ionic elements called structural elements. They are obtained from CO2and H2O that help in building the bulk dry mass (biomass) of the plant.Â
Organisms have been divided into how many kingdoms?
Which of the following acid is found both in tomato and wood sorrel?
Metals are good conductors of electricity because –
How many parliamentary sessions does the Lok Sabha conduct annually?
The device which converts AC to DC is
Who is credited with inventing the microphone?
What is a fertiliser that supplies two or more than two primary nutrients called?
What is the pH value of pure water?
Which of the following is/are true about ‘Villi’?
I. They are present in the walls of the small intestine.
II. They contain numerous b...
Which compound reacts with sodium metal to release hydrogen gas?
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