WINNOWING

Which of the following statements is/are correct? I. The process of sedimentation can be made slower by loading. II. Centrifugation is used in laboratories for separating plasma and platelets from blood. III. A solution in which some more solute can be dissolved at fixed temperature is called a saturated solution. IV. Winnowing is used to separate husk and hay from grains.

Read the story titled “WISE FARMER” and tick the correct option to complete the story. A farmer was sad/happy to see his healthy wheat crop ready for harvest. He harvested the crops and left it under the sun/rain to dry the stalks. To separate the seeds from the bundles of the stalk he handpicked/threshed them. After gathering the seed grains he wanted to separate the stones and husk from it. His wife winnowed/threshed them to separate the husk and later sieved/hand picked to remove stones from it. She ground the wheat grains and sieved/ filtered the flour. The wise farmer and his wife got a good price for the flour. Can you tell why?

What does the poet say the wind god winnows?