Questions

An atom is the smallest particle of a substance. Chemical substances are divided into two major groups. They are

1. Pure Substances (and)

2. Mixtures.

There are two types of pure substances that are Elements and Compounds.

Elements : An element is a substance that is made up of only one kind of atoms and cannot be broken down into simpler substances by chemical means. Metals and Non- metals come under elements.

Examples of elements are Iron, Silver, Gold, Mercury etc.

Compounds : A Compound is a substance that is formed when two or more elements combine chemically.

Examples of compounds are Water, Carbon dioxide, methane, vinegar etc.

Mixtures : A Mixture is formed when two or more substances mixed together but not chemically combined.

Example: Air.

Jay Cooke & Company, a major component of the United States banking establishment, found itself unable to market several million dollars in Northern Pacific Railway bonds in september 1873. Cooke's firm, like many others, had invested heavily in the railroads.

Hence, the bankruptcy of Jay Cooke & company initiated the Panic of 1873.

1. Mutual exclusion (where at least one resource is non-sharable)

2. Hold and wait (where a process holds one resource and waits for other resource)

3. No preemption (where the resources can’t be preempted)

4. Circular wait (where p[i] is waiting for p[j] to release a resource. i= 1,2,…n

j=if (i!=n) then i+1

else 1 )

There are 3 stages in cellular respiration. They are:

1. Glycolysis

2. Kreb's cycle

3. Electron transport chain

Here, Glycolysis produces only 2 ATP whereas Kreb's cycle produces no ATP. Electron transport chain of the cellular respiration produces the maximum ATP.

The highest cricket ground in world is in India at Himachal Pradesh. Himachal Pradesh Cricket Association Stadium, Dharamshala, is situated at 4780 feet above the sea level and is one of the most beautiful stadium in the world.

The Wind is what has no voice but cries, no wings but flutters, toothless but bites, mouthless but mutters.

It is when themes of keywords are matched by AdWords to relevant content on various websites that run Google ads.

Ribosomes are the sites where proteins are synthesised. The transcription process where the code of the DNA is copied occurs in nucleus but the main process of translating that code to form other protein occurs in ribosomes.