Daily Quiz: UPSC Prelims Marathon – April 12, 2018

Any physical quantity that has both magnitude (size and direction, such as Momentum, Displacement, Velocity, Acceleration, Force, as distinct from a scalar quantity such as speed, density, or mass, which has magnitude but no direction.

Centrifugation is the process of separating substances of different densities by the use of a centrifugal force. It is used in washing machines to separate water particles from clothes while drying in washing machines. More dense components of the mixture migrate away from the axis of the centrifuge whereas lens dense components of the mixture migrate or move towards the axis

The halogens are the family of chemical elements that includes fluorine ( atomic symbol F), Chlorine (CI), bromine (Br), iodine (I), and astatine (At). The halogens are the most reactive because of high electro negativity, small size of atom and high oxidizing power.

The pituitary gland by virtue of its tropic hormones controls the secretion activity of other endocrine gland s like Thyroid, Adrenals, Gonads but the parathyroid gland’ controlled by the calcium levels of the blood. So it can function independently.

Oxygen transportation in a human body takes place in the sequence of Lungs, Blood and Tissue.

Netherlands was the first Country to legalize euthanasia in 2002.

Terminator Seed Technology produces plants that have sterile seeds that do not give rise to plants after initial planting, this requires farmers to repurchase seeds for every planting. This monopolises seed company which may increase the cost of seeds arbitrarily. Thus farmers independence is lost.