AIEEE Questions

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The author of the book 'Indica' was Megasthanese.

Trees that lose all of their leaves for part of the year are known as deciduous trees. Those that don't are called evergreen trees.

The hormone gibberellin was discovered in the country Japan.

In a parliamentary system, the members of the cabinet are drawn from the legislative branch.

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.