General Knowledge Questions

Q:

Why is February 28th celebrated as National Science Day ?

Answer

It was on February 28th, 1928 that CV Raman announced  his discovery of New radiation-subsequently named the Raman Effect- that won him the Noble prize.

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Q:

Fax machine was invented by

A) Daimler B) Dewar
C) Bain D) None of these
 
Answer & Explanation Answer: C) Bain

Explanation:
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Q:

_________ is a specialized server that enables the client to share application and data across the network.

A) Mass Server B) File server
C) Data Server D) Host Server
 
Answer & Explanation Answer: B) File server

Explanation:
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Q:

Which state does not have bicameral legislature in India?

A) Jammu & Kashmir B) Tamil Nadu
C) Telangana D) Andhra Pradesh
 
Answer & Explanation Answer: B) Tamil Nadu

Explanation:

Seven of Indian states have bicameralism. Andhra Pradesh, Bihar, Jammu and Kashmir, Karnataka, Maharashtra, Telangana and Uttar Pradesh are those with bicameralism legislature in India.

 

Hence, Tamil Nadu is the only one which is not having bicameral legislature in India among the given states.

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Q:

What is the bond order of O2?

A) 1.5 B) 2
C) 2.5 D) 1
 
Answer & Explanation Answer: B) 2

Explanation:

The number of bonds between a pair of atoms is called the bond order.

Bond orders can be calculated from Lewis structures, which are the heart of the valence-bond model. Oxygen, for example, has a bond order of two.

Structure

When there is more than one Lewis structure for a molecule, the bond order is an average of these structures. The bond order in sulfur dioxide, for example, is 1.5  the average of an S-O single bond in one Lewis structure and an S=O double bond in the other.

Structures

In molecular orbital theory, we calculate bond orders by assuming that two electrons in a bonding molecular orbital contribute one net bond and that two electrons in an antibonding molecular orbital cancel the effect of one bond. We can calculate the bond order in the O2 molecule by noting that there are eight valence electrons in bonding molecular orbitals and four valence electrons in antibonding molecular orbitals in the electron configuration of this molecule. Thus, the bond order is two.

Equation

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Q:

Who invented the high level language C?

A) Dennis M. Ritchie B) Donald Kunth
C) Niklaus Writh D) Seymour Papert
 
Answer & Explanation Answer: A) Dennis M. Ritchie

Explanation:

C, an early systems programming language, was developed by Dennis Ritchie and Ken Thompson at Bell Labs between 1969 and 1973.

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Q:

Who Invented Traffic Signal ?

A) Lewis Edson Waterman B) Levi Strauss
C) Percy LeBaron Spencer D) Garrett Augustus Morgan
 
Answer & Explanation Answer: D) Garrett Augustus Morgan

Explanation:
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Q:

What color is Lobster blood?

A) Blue B) White
C) Red D) Colourless
 
Answer & Explanation Answer: A) Blue

Explanation:

Lobsters, like snails and spiders, have blue blood due to the presence of hemocyanin, which contains copper. In contrast, vertebrates and many other animals have red blood from iron-rich hemoglobin.

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