Question : Water cycle refers to

Option 1: an integrated attempt to recycle water in relatively arid regions

Option 2: the constant movement of water from the ocean to land and back to the ocean once again

Option 3: scientific management of water in areas excessively plagued with waterlogging

Option 4: water distribution in relatively dry areas

Question : Directions: If air is called green, green is called blue, blue is called sky, sky is called yellow, yellow is called water, and water is called pink then what is the colour of a clear sky?

Option 1: Sky

Option 2: Water

Option 3: Blue

Option 4: Yellow

Question : Uric acid is the chief nitrogenous waste of which of the following?

Option 1: Humans

Option 2: Frogs

Option 3: Fishes

Option 4: Birds

Question : If $\triangle ABC$ is right-angled at B, AB = 30 units and $\angle ACB=60°$, what is the value of AC?

Option 1: $20$ units

Option 2: $20\sqrt3$ units

Option 3: $40$ units

Option 4: $60$ units

Question : What is the area of the region bounded by a straight line $9x+4y=36$, x-axis and the y-axis?

Option 1: 12 sq. units

Option 2: 18 sq. units

Option 3: 16 sq. units

Option 4: 15 sq. units