Question : A cell becomes turgid because of

Option 1: Plasmolysis

Option 2: Exosmosis

Option 3: Endosmosis

Option 4: Diffusion

Question : Translocation of water is

Option 1: apoplastic

Option 2: symplastic

Option 3: both (1) and (2)

Option 4: none of the above

Question : In which of the following layers of the atmosphere do the absorption and scattering of solar ultraviolet radiation take place?

Option 1: Troposphere

Option 2: Stratosphere

Option 3: Mesosphere

Option 4: Thermosphere

Question : What is the ratio of inradius and circumradius of an equilateral triangle?

Option 1: 1 : 2

Option 2: 1 : 3

Option 3: 1 : 4

Option 4: 3 : 2

Question : Three cars travelled a distance in the ratio 1 : 2 : 3. If the ratio of the time of travel is 3 : 2 : 1, then the ratio of their speed is:

Option 1: 3 : 9 : 1

Option 2: 1 : 3 : 9

Option 3: 1 : 2 : 4

Option 4: 4 : 3 : 2