Questions

The constitution of United States prescribes that the Senate be composed of two senators from each state. As there are 50 states in USA, therefore there are 100 members in the United State Senate.

Uranus is the seventh planet from the Sun which looks green color. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System. Uranus is similar in composition to Neptune, and both have different bulk chemical composition from that of the larger gas giants Jupiter and Saturn.

Colors of other planets::

Mercury - Gray or slightly brownish

Venus - Pale yellow

Earth - Blue with white clouds

Mars - Mostly reddish brown

Jupiter - Orange and white bands

Saturn - Pale gold

Uranus - Green

Neptune - Pale blue

Pluto - Light brown

Each of the integers in the first set could be combined with any from the second set, giving a total of 4 x 5 = 20 possible pairs.

Of these the combinations that could give a sum of 23 are (5 + 18), and (9 + 14)

This means that the probability of getting a sum of 23 is 2/20 = 1/10

Joint stock company is a voluntary association of individuals for profit, having a capital divided into transferable shares, the ownership of which is the condition of membership.

The definition of a joint stock company highlights the following features of a company.

Separate legal entity:From the day of its incorporation, a company acquires an identity, distinct from its members. Its assets and liabilities are separate from those of its owners. The law does not recognise the business and owners to be one and the same.

The management and control of the affairs of the company is undertaken by the Board of Directors, which appoints the top management officials for running the business. The directors hold a position of immense significance as they are directly accountable to the shareholders for the working of the company. The shareholders, however, do not have the right to be involved in the day-to-day running of the business. The liability of the members is limited to the extent of the capital contributed by them in a company

The risk of losses in a company is borne by all the shareholders. This is unlike the case of sole proprietorship or partnership firm where one or few persons respectively bear the losses.

The absence of a nucleus is an adaptation of the red blood cell for its role. It allows the red bloodcell to contain more haemoglobin and, therefore, carry more oxygen moleculesLike red cells, platelets (thrombocytes) have no nucleus.Monocytes have a small spherical nucleus and has abundant dark staining condensed chromatin.There are 5 organelles found in a root hair cell. They are the: nucleus, cytoplasm, cell membrane, cell wall and vacuole.