Question
Which of the following statements is/are correct about
friction? A. Friction can be entirely eliminated on any surface. B. Rolling reduces friction. C. Sliding friction is smaller than the rolling friction. Choose the correct answer from the codes given below:Solution
Friction can be reduced but it can never be eliminated completely. In rolling friction, the surface contact is less which results in less friction. Rolling friction is less than the sliding friction
Which variety of Sorghum exhibits tolerance to drought and salinity?
How do mitochondria and chloroplasts perform oxidative phosphorylation and photophosphorylation reactions, respectively?
Carrot belongs to the family:
The yield of forest is regulated on the basis of volume by using following:
An example for a plant hormone is
'Opaque-2' mutant of maize has:
Leaf Colour Chart (LCC) is used as guide for application of fertiliser
For newly born chicks for how many hours they should not be fed with anything?
A synthetic growth retardant used to prevent sprouting of onions and potatoes.
Average share of agricultural credit to total priority sector lending decreased from 63.73 per cent in 2009-10 to ……………% 2019-20.
...
