Questions

When electricity is passed through an aqueous solution of Sodium Chloride (brine), it decomposes to form.

Curd contains mainly ___ acid.

A girl child has which of the following combinations of chromosomes in her cells?

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.

Left to itself, then, attention _____________ obeys natural laws and follows the line of least resistance. _______________ far the larger portion of our attention is of this type. Thought often runs on hour after hour when we are neither conscious of effort _____________ struggle to compel us to cease thinking about this thing and begin thinking about _________. Indeed, it may be doubted ___________ this is not the case with some persons for days at a time, instead of hours. The things that present themselves to the mind are the things which occupy it; the character of the thought is determined by the character of our interests.

conscious of effort _____________ struggle to compel

In a longitudinal wave, the distance between two consecutive compressions and two consecutive refractions is called

Glaciers are formed by

If a ball is thrown vertically upwards with a velocity of 40 m/s, then what will be the magnitude of its displacement after 6 s?

In each of the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements.

Statements:

I. Some pens are pencils.
II. All pencils are erasers.

Conclusions:

I. Some pens are erasers.
II. No pens are erasers.
III. Some erasers are pencils