Questions

Answer: V

Explanation:     Starting at the top left, and moving anti-clockwise around the figure, letters advance through the alphabet 5 letters at a time.

A Lobster is one which goes black in water and comes out red.

A periscope is an optical instrument that uses a system of prisms, lenses, or mirrors to reflect images through a tube.

Light from a distant object strikes the top mirror and is then reflected at an angle of 90 degrees down the periscope tube. At the bottom of the periscope, the light strikes another mirror and is then reflected into the viewer’s eye.

Hence, A periscope works by the principle of Total internal reflection.

Today, internet plays a pivotal role in both B2B and B2C space. Internet advertising helps the company to reach a large target audience in a small budget and also is easily measurable. It’s highly effective in creating and increasing brand awareness on a whole for any product/service.

The following are the various ways to measure the effectiveness of online advertising:

•      Downloading of brochures/contact forms


•      Completing a transaction on Shopping cart section of the website


•      Subscription to newsletter/webinars


•      Online enquiry about the product/service through company’s email address


•      Google analytics


•      Web analytics  

Here from the above options, Algae is an Autotroph.

Autotrophs : 

An Autotroph is also called as Producer, is an organism that produces complex organic compounds from simple substances present in its surroundings, generally using energy from light or inorganic chemical reactions.