Questions

The pH of a solution, whose hydrogen ion concentration is 1 x 10 mole per litre, will be ____.

Which of the following elements replaced eka-Aluminium in Mendeleev's Periodic table?

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

People must make continuous efforts to achieve ______ in all spheres.

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.

The phrase consists usually of a few words which denote a single idea that __________ a separate part of a sentence. In this respect it differs from theclause, ___________ is a short sentence that forms a distinct part __________ a composition, paragraph, or discourse. Correct phrasing is_______________ by rests, such rests do not break the ______________ of a thought or the progress of the sense.

distinct part __________ a composition,

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: The depletion of organic nutrients in the soil has reached alarming proportions, thanks to indiscriminate use of chemical fertiliser in Green Revolution areas.
Q: As against an acceptable level of ‘soil organic carbon’ of well over 5 percent, soils in Punjab are said to have levels far below 1 percent.
R: Besides, 5.3 billion tonnes of soil is eroded annually, at a rate of 16.4 tonnes/hectare.
S: The nutrient imbalance has been skewed by the overuse of urea (N) vis-a-vis phosphatic (P in chemical parlance) and potassic (K) fertiliser.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

When Albert stayed at the African jungle (A) / he chose to put up with many inconveniences such as (B) / wild animals and poisionous insects. (C)/ No Error (D)

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

I was taken by surprise (A)/when I came(B)/face to face with my school friend.(C)/No error(D)

The law of demand states that