List of top Science Questions on Harvesting asked in CBSE Class VIII

Match items in column A with those in column B. 
A B
(i) Kharif crops(a)Food for cattle
(ii)Rabi crops(b)Urea and super phosphate
(iii)Chemical fertilizers(c)Animal excreta, cow dung urine and plant waste
(iv)Organic manure(d)Wheat, gram, pea
  (e)Paddy and maize

Select the correct word from the following list and fill in the blanks.
float, water, crop, nutrients, preparation

  1. The same kind of plants grown and cultivated on a large scale at a place is called ____.
  2. The first step before growing crops is ____ of the soil.
  3. Damaged seeds would ____ on top of water.
  4. For growing a crop, sufficient sunlight and ____ and ____ from the soil are essential.