Question Paper

AHSEC (Assam higher secondary education council), HS final exam question paper 2017

HS final exam question paper 2017

AHSEC (Assam higher secondary education council), HS final exam question paper 2017 And also the some important question answer of the papers.

AHSEC (Assam higher secondary education council) final exam question paper 2017/ HS final exam question paper 2017/ class 12 Assam question paper of the year 2017 and previous year question paper/ H.S. Science 2nd year question paper 2017 are available on this site. The question papers are available in the pdf format. The questions papers of the subjects are physics, chemistry, mathematics, biology, assmese and English. And also the some important question answers of the papers.

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Assamese

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Some important questions answer of the paper English

4.(a)Describe the unusual things that Franz noticed on the day of the last lesson.

Answer: Franz noticed many unusual things on the day of the last lesson. First, he noticed that the school was as quiet as on a Sunday. The sounds of opening and closing of the desks, lessons read in unison and the rapping of the teacher’s ruler were not heard. When Franz entered the classroom, his teacher did not punish him although he was late. M.Hamel welcomed him kindly. He saw that the class was maintaining complete silence. M.Hamel came in his best dress which he used to wear on inspection and prize days. Moreover, the back benches of the classroom were occupied by the elderly people of the village who looked very sad.

4(b)Describe the miserable plight of the people of Firozabad.

Answer: Firozabad is famous for its glass bangles. In every house in every street, bangles are being made. Families have spent generations working around the furnace. They work in small cells without air and light. Children slag their daylight hours round these furnaces instead of going to school. They often lose eyesight due to this, before they become adults.

       Over 20,000 children work in glass furnaces illegally and Bangle making is their ‘god given lineage’. They can’t dare to change it. Actually, they don’t know anything except making bangles. Nobody cares for the law in Firozabad. Employment of children in bangle and glass industry continues unabated.

They have only enough money to invest in bangle making. They do not even enough to eat. They can never send their children to school or build up a proper house to live in. Moreover, I’m the absence of leadership among them disable them they cannot dream of a better life and are doomed to lifelong toil. If the Bengal-makers, organise themselves into cooperatives. They will be hauled up by the police, beaten and dragged to jail for doing something illegal.

Some important questions answer of the subject Biology

Q. Give some examples of homologous organs in plants?

Answer:

★ Thorn of bougainvillea and tendrils of cucurbita. Thorn used turn for climbing.
★ The leaves of pitcher plant a Venus fly trap a cactus are all examples of homology. Although they have different shapes and different functions today they all share a common ancestor.

Q. Write down the differences between divergent evolution and convergent evolution?

Answer:

★In convergent evolution when two or more different species develop similar characteristics due to adaption to the particular environnement but they do not belong to the same ancestors, then this type of evolution is information evolution.
On the other hand divergent evolution when an ancestral species diverse into multiple different species and ultimately gives rise to new species then this type of evolution is divergent evolution.

★ Analogous structures are a result of convergent evolution.
example: wings of insects, birds, bat.
On the other hand Homologous structures are a result of divergent evolution.
example: bats, birds, human

Q. What is the biochemical evidence of evolution?

Answer:

★ Similarities in proteins and genes performing a given function among diverse organisms give clues to common ancestry.
★ These biochemical similarities point to the same shared ancestry as a structural similarities among diverse organisms.

Q. Explain one example of evolution by natural selection?

Answer:

In England, before industrialisation in 1850 there were more white winged moths on trees than dark-wings or metanised moths.
But in 1920 that means after industrialisation there were more dark winged moths.

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