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From the  context of metrology,Which instrument is used to measure rainfall?

Which test is used when sample size is large (>30) and population standard deviation is known? 

Which one of the following chemical is most effective in managing downy mildew diseases:

Parturition in pigs is known as 

Which among the following is not the main function of lubricating oil? 

What is the ideal size of flash card preferred for a small group of 10-25 people?

Which of following fruit is most suitable for jelly making

SO₂ is:

Three particles have diameters of 0.5, 1.5, and 0.15 mm. The three particles are

Type of silviculture system which can regenerate through seeds and majority have a long life is ___