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Which principle in experimental design involves grouping similar experimental units into blocks?

In delinting process, the ratio of concentrated sulphuric acid to cotton seed is:

The milling and polishing of raw rice reduces riboflavin by

In which form of nitrogen is lost from soils?

Which of the following statement about Pteridophytes is incorrect ?

Meaning of cropping intensity is:

Meiotic division takes place in:

Water held by surface tension is called

Arrange the following data processing in their correct order.

Which of these are steps of new product development?