Questions

Mitochondria are present in both plant and animal cells.

India was one of the main centres of world trade and industry. Peter the Great of Russia was led to exclaim: “Bear in mind that the commerce of India is the commerce of the world and ... he who can exclusively command it is the dictator of Europe.”

AIDS: The term means Acquired Immunity Deficiency Synodrome. The virus attacks the T cells of the (white corpuscle type) blood and destroys them.

The Sharavati river in Karnataka state of india drops 253 metresin four separate falls named- the Raja, the Rani, the Rocket and the Roarer -together known as jog falls. 

Protons carry a positive electrical charge, electrons carry a negative electrical charge and neutrons carry no electrical charge at all. The protons and neutrons cluster together in the central part of the atom, called the nucleus, and the electrons 'orbit' the nucleus.

Kandoori festival is a festival which is celebrated by the Muslims of South India every year with great enthusiasm and grace. The festival is celebrated in commemoration of the anniversary of the saint's death, and pilgrims participate in the rituals and rites.

The 462nd annual Kandoori festival has commenced at nearby Nagore Dargah, a famous Muslim pilgrim centre in Tamilnadu.

Direct Materials doesn't come under Fixed Cost because it vary with changes in the activity level of a business.

Fixed Cost :

A fixed cost is a cost that does not change over the short-term, even if a business experiences changes in its sales volume or other activity levels.

It is of some importance to understand the extent and nature of the fixed costs in a business, since a high fixed-cost level requires a business to maintain a high revenue level in order to avoid generating losses.

Examples of Fixed Cost are:

Insurance, Salaries, Rent, Property Taxes,...