Questions

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

People may see, and hear, and feel all their lives without ____________ learning the nature of things they see. But reason is the mind's eye, and enables us to see why things are, and when and how events may be made to happen ___________ not to happen. The logician endeavours to ____________ exactly what this reason is which makes the power of men. We all, as I have said, must reason well or ill, but logic is the science of reasoning and enables us to distinguish ______________ the good reasoning which leads to truth, and the bad reasoning which every day betrays people into error _________ misfortune.

people into error _________ misfortune 

The process of electric discharge between clouds and the earth or between different clouds causes _____________.

The World Economic Outlook (WEO) is a survey conducted and published by- 

Which light is least effective in photosynthesis?

What is called the minimum distance from the Sun in a planet in its orbit?

Instrument for measuring blueness of the sky or ocean is called ___________.

___________________ is defined as the force acting per unit current per unit length on a wire placed at right angles to the magnetic field.

A Sonar of a ship sends sounds waves of speed 1000 m/s. These waves are reflected back by the ocean floor in 2 seconds. Find the depth (in m) of theocean floor.