Animals belonging to the phylum............. are fundamentally characterized by the presence of a notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits.

• annelida

• chordata

• arthropoda

• platyhelminthes

A ball rolling along the ground gradually slows down and finally comes to rest is due to.............

• friction

• magnetic force

• electrostatic force

• muscular force

The angle between the ........... and the incident ray is called the angle of incidence.

• surface

• normal

• tangent

• reflected ray

39.

............. are designed to read and interpret HTML.

• Browser

• Java Script

• SQL

• String

.............. is made by mixing iron with carbon and metals like chromium, nickel and manganese.

• Ship

• Stainless Steel

• Rust

• Ozone

The melting point of ice is ............K.

• 253.16

• 263.16

• 273.16

• 283.16

........... is any attribute of the organism (morphological, physiological, behavioural) that enables the organism to survive and reproduce in its habitat.

• Adaptation

• Migration

• Conformation

• Regulation

............ scheme by the Central Government aims at providing free health checkups for pregnant woman for the first 6 months pregnancy.

• Gram Uday Se Bharat Uday Abhiyan

• Pradhan Mantri Ujjwala Yojana

• Pradhan Mantri Surakshit Matritva Abhiyan

• Vidyanjali Yojana

Who invented the thermos flask?

• Ray Tomlinson

• Tim Berners-Lee

• William Cullen

• James Dewar

How many medals in all did India win at the Rio Olympics 2016?

• 5

• 4

• 3

• 2