Questions

The number of valence electrons in an atom of Phosphorous is

___ is the liquid part of the blood of which 92% is water and the remaining 8% is proteins, minerals, hormones, enzymes and so on.

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 andindicate it by selecting the appropriate option.

He was sworn _____ as the Prime Minister of our country

Birth rate in a country is defined as

The demand for a normal good decreases with ________ in the consumer's income.

A fungal cell wall is made of :

In the following items, each passage consists of six sentences. The first and the sixth sentence are given in the beginning as S1 and S6. The middle four sentences in each have been removed and jumbled up. These are labeled P, Q, R and S. You are required to find out the proper sequence of the four sentences and mark your response accordingly on the Answer Sheet.

S1 :A single device can heat fluids without requiring an electrical element.
S6:Because there is no electrical element, there is no risk of fire, so the system is suitable for dangerous environments.
P:A heat exchanger transfers heat from the central cavity to an air heater, a water heater or an industrial processor.
Q:It has a container like the crank case of a car’s engine, which contains the fluid to be heated.
R:Compression and friction at the nozzles heat the fluid so that the temperature in the central cavity rises steadily.
S:A motor and pulley insidethe container turn a rotor wheel, which in turn forces the fluid again and again through narrow nozzles into a central cavity.

The proper sequence should be 

Who has been appointed as the Chief Secretary of the Delhi Government in December 2017?