Questions

Saliva is produced by the salivary gland which helps in food digestion.

Option A) contains fluoride to harden the tooth enamel is not the function of saliva.

DNA is copied during a process called Transcription. It is the first step of gene expression, in which a particular segment of DNA is copied into RNA by the enzyme RNA polymerase.

In chemistry, the term transition metal has three possible meanings: The IUPAC definition defines a transition metal as "an element whose atom has a partially filled d sub-shell, or which can give rise to cations with an incomplete d sub-shell".

Any of the set of metallic elements occupying a central block (Groups IVB–VIII, IB, and IIB, or 4–12) in the periodic table, e.g. iron, manganese, chromium, and copper. Chemically they show variable valency and a strong tendency to form coordination compounds, and many of their compounds are coloured.

Here in the given options, only iron (Fe) is a transition metal since Strontium is an alkaline earth, arsenic is a metalloid, hydrogen is (normally) a diatomic gas.

The purpose of this question is to see if you already have some experience of working at a call center. If so, tell the interviewer about your experiences and what you learnt there. If you do not have a work experience, don’t panic, stay calm and say “I don’t have a first hand experience of working at a call center but this is what I know about them and I look forward to work for one.” 

Upto now, India has won 28 medals in Olympics from 1896 - 2016. In that

Rio Olympics 2016  - 02

Beijing Olympics 2008 - 03

London Olympics 2012 - 06

Athens Olympics 2004 - 01

Hence, India has won most number of medals in 2012 Rio Olympics.

Nine in total. 6 daughters and a brother in common, 2 parents.