Questions

Oxytocin is a mamallian hormone and also acts as neuro transmitter in the brain.

In chemistry, a metal is an element that readily forms positive ions (cations) and has metallic bonds. Metals are opaque, lustrous elements that are good conductors of heat and electricity. Most metals are malleable and ductile and are, in general, denser than the other elemental substances.

Examples of metals are aluminium, copper, iron, tin, gold, lead, silver, titanium, uranium, and zinc.

Here Se - Selenium is an element but is not a metal, S - Sulphur is not a metal and I - Iodine is also not a metal.

Hence, Zn - Zinc is the only metal in the given options.

A respirometer is a device used to measure the rate of respiration of a living organism by measuring its rate of exchange of oxygen and/or carbon dioxide.

The C.M of Assam, Sarbananda Sonowal has recently launched the ‘Chief Minister’s Award’ to promote digital transaction in Assam.

The Chief Minister’s Award would be given to the best performing district of the state that adopts digital payment methods and also educate larger section of the society about the cashless transaction.

The winning district’s Deputy Commissioner would be presented a prize of Rs 50,000 at the end of financial year 2016-2017 after March 31, 2017.

Genetic drift or allelic drift is the change in the relative frequency in which a gene variant (allele) occurs in a population due to random sampling and chance.

When is genetic drift a major factor in evolution is

* When there is low gene flow.

* When there is no selective pressure.

* When there is a bottleneck.

DNA is the genetic material in the cell. 

Hence, option B) DNA is located in the nucleus best matches the description with the genetic material.

The first option is incorrect because it is devoid of blood cell, also red blood cells so doesn’t contains haemoglobin.

The second option is incorrect because plasma is colorless.

The third option is also incorrect because plasma contains the clotting factors.

A Tale of Two Cities, which is one of two historical novels written by Charles Dickens, is set in London and in Paris and the French countryside at the time of the French Revolution.