Questions

Plant cell walls are mostly made up of the molecule cellulose. Cellulose is a polysaccharide, a complex sugar made of long chains of glucose.

The cell wall must be made of thick and strong material as it provides the structural shape of the plant and protection from insects and microorganisms.

The Moscow Metro in Russia carries 8-9 million passengers each day. By comparison, the New york City Subway, USA carries 4.5 million people each day and the London underground , UK, carries just over 3 million.

The supply curve slopes upward because for reflecting the higher price needed to cover the higher marginal cost of production. 

Testosterone is the hormone which is associated with aggression.

A Union territory is a type of administrative division in India. Unlike the other states which have their own state governments, union territories are ruled by the central government. There are 7 union territories in India. They are ::

• National Capital Territory of Delhi – Delhi.

• Chandigarh – Chandigarh.

• Daman and Diu – Daman.

• Dadra and Nagar Haveli – Silvassa.

• Pondicherry – Puducherry.

• Andaman and Nicobar Islands – Port Blair.

• Lakshadweep – Kavaratti.

A tenant farmer is one who resides on land owned by a landlord. These farmers would have to share the yield with the landowner in a process known as sharecropping. In the South, these farmers need to have their own tools and animals.

The wide gap between the aims of the French Revolution(equality in economic, social and political life) and the actual conditions in France after revolution created serious discontent among the people. It led to an attempt to overthrow the existing government in France with a view to building a society based on socialist ideas. This attempt, known as Babeuf's conspiracy, is an important event in the history of socialism.

      The conspiracy,as the name indicates, was the work of Noel Babeuf. He was born in 1760 and has participated in the French Revolution . He organised a secret society called the 'Society of the Equals'.