OMTEX CLASSES

HSC ENGLISH MARCH 2019 SET A BOARD PAPER WITH SOLUTION.

Q. 1. A. 1. Choose -

Choose two sentences that appropriately mention the theme of the passage:

(i) The extract deals with the techniques to scare the birds away.

(ii) The extract depicts how parrots make holes on the tree trunks.

(iii) The extract depicts the writer's love towards the birds.

(iv) The extract deals with the activities of different birds.

Ans. (i) The extract deals with the techniques to scare the birds away.

(iv) The extract deals with the activities of different birds.

A. 2. Complete the flowchart: -

Ans. (i) It is the patient work of the woodpeckers to make holes in the weak spots of the trunks of the trees, in searching worms to eat.

(ii) The woodpeckers were the carpenters and their long, sharp and strong beaks, acts as a chisels. Thus woodpeckers make the holes and the parrots occupy them

In this way woodpeckers help parrots.

A. 3. Complete the following table: [2]

Search for food
Weaver birds	young stalks come out of the rice-plants.
Parrots	ripe rice-stalks.

A. 4. Vocabulary - (2)

Match the pairs of the words in column 'A' with their meanings in column 'B'. [2]

Column 'A'	Column 'B'
(i) dagling	(a) connected with farming.
(ii) squeezing	(b) attract the attention
(iii) agrarian	(c) hanging freely
(iv) captivate	(d) pressing firmly.

A. 5. Personal response: [2]

Suggest two measures to increase the number of birds.

Ans. (i) Avoid using mobile phones, to reduce the number of mobile towers and radiation emitted from them, which directly affecting the lives of birds.

(ii) Plant more trees to increase the accommodation facility for birds. As they can build their nest on them.

A. 6. Grammar - [2]

Rewrite the following sentences in the ways instructed:

(i) The paddy is ripe enough to harvest.

[Remove 'enough' and rewrite the sentence]

Ans. The paddy is ripe much to harvest.

(ii) How beautiful the sight was!

[Rewrite as an assertive sentence.

Ans. The sight was very beautiful.

(B) Grammar: -

Do as directed:-

(1) When earthquake strikes, world trembles. (Insert appropriate articles wherever necessary and rewrite it)

Ans. When an earthquake strikes, the world trembles.

(2) I spent my holiday ______ some friends ______ a wooden house. (Fill in the blanks with appropriate prepositions)

Ans. I spent my holiday with some friends at a wooden house.

(3) Radha said to the teacher, "I feel very happy to help my mother at home" (Change in into indirect speech)

Ans. Radha told to the teacher that she feels very happy to help her mother at home.

Q. 2. A. Read the first activity, read the extract and then do all the activities.

A. 1. Read the following statements, Find out the correct statements and write them down: [2]

(i) Both India and maharashtra can progress if they have different interest.

(ii) Hard work is the only way to build the future of India and Maharashtra.

(iii) The sacrifice of the best and grand in Maharashtra will be made for the state of Maharashtra.

(iv) In times of great calamity the Sahyadri will protect the Himalayas, like a shield.

A. 2. Complete the following statements: [2]

(i) The interest of maharashtra and that of India should be one for the progress of maharashtra state, because .........................

Ans. The interest of maharashtra and that of India should be one for the progress of maharashtra state, because Maharashtrians believe from the beginning, that Maharashtra depends on india.

(ii) Maharashtra depends on India, because .......................

Ans. Maharashtra depends on India, because its greatness depends on the greatness of India.

A. 3. Complete the table: (2)

The name of the mountain	Stands for	The reason
The Himalayas
The Sahyadri

Ans.

The name of the mountain	Stands for	The reason
The Himalayas	India	The snowy Himalayas with the highest mountain ranges symbolise India.
The Sahyadri	Maharashtra	With the blackest rock structure and with 200 - 300 inches rainfall symbolise Maharashtra.

A. 4. Vocabulary - [2]

Give antonyms of the following words by adding prefixes:

(i) gratitude

(ii) clear

(iii) believe

(iv) significance

Ans. (i) ingratitude

(ii) unclear

(iii) unbelieve

(iv) insignificance.

A. 5. Personal response:

Give your suggestions that will help the people to make Maharashtra prosperous.

Ans. My grandfather used to say that once in your life you need a doctor, a lawyer, a policeman and a preacher, but every day, three times a day, you need a farmer. So helping farmers we can make Maharashtra prosperous.

A. 6. Grammar: - [2]

Rewrite the following sentences in the ways instructed:

(i) India and Maharashtra can progress only when there is oneness of interest. [Rewrite is using 'unless']

Ans. Unless there is oneness of interest, India and Maharashtra cannot progress.

(ii) This state of Maharashtra will work for the betterment of the common people of Maharashtra.

[Rewrite it using modal auxiliary showing 'obligation']

Ans. This state of Maharashtra has to work for the betterment of common people of Maharashtra.

Solution for Write Short Note On Retained Profits. - HSC Commerce 12th Board Exam - Secretarial Practice

Meaning: -Every company is expected to distribute its profits among shareholders as dividend. However, in practice the entire profit is not distributed. A part of every year's profit is kept aside for future emergencies and reserves are created out of such undistributed profits. Reserves may be created for specific purpose or they may be kept as General Reserves. Sometimes the reserves are invested outside the company or sometimes general reserves are reinvested in the business of the company by converting them into bonus shares.

Companies normally retain a certain percentage of profit after tax for self financing. The percentage of retained earnings varies from company to company and from period to period.

Importance f Ploughing back/Retained of profits: -

1. No Dilution of Control - Retained earnings do not dilute the control over the working of the firm. The control remains with the existing shareholders. However, rising of more equity capital from the market dilutes owner's control.

2. Improvement of overall performance: -The Retained earnings can be utilized for expansion and modernization, which in turn can improve the overall performance of the organisation.

3. No Interest Burden: -There is no cost of financing the Retained earnings However, there is interest burtlen if the funds are obtained through fixed deposits and debentures.

4. Flexibility for Utilising Funds: - There is lot of flexibility for utilizing the funds. The management can utilize the funds either for working capital or fixed capital.

5. Investors' Confidence: -Retained Earnings indicate a healthy practice on the practice of the company. Therefore, investors develop confidence in such companies.

6. Increase Net Worth: - Retained Earnings increase net worth of a company. Net worth means equity capital u Free Reserves. The higher the net worth, the greater is the credit worthiness of the company.

7. Buy-back of shares: - The Retained Earnings (Free Reserves) can be used for buy back of shares. The buy back is allowed under Indian Companies Act in order to reduce the chance of hostile take-oven

8. Reputation: - Retained Earnings improves image of the company. It improves credit worthiness of a company. Due to retained earnings, a company can easily obtain additional funds for expansion and modernisation.

Determinants of retained earnings

1. Total earning of company: If there is ample profit company can save and retain some part of profit 'Larger the eamings, larger the saving, is the principle put forth by economist J.M. Keynes. It is also a subject of attitude of top management to determine the part of retained earnings.

2. Taxation policy: The taxation policy of government is also an important determinant of corporate savings. If the taxes are levied at high rates, company cannot save much of the profit to be retained by it.

3. Dividend policy. It is policy of Board of Directors In regards to distribution of profit. A conservative dividend policy is need for having good accumulation of profit This policy affects shareholders as they get dividend at low rate.

4. Government control. -A government Is regulatory body of economic system of the country. Its policies, rules and regulations compel companies to work In that direction. A company has to formulate Its dividend policy In accordance with the rules and regulations framed by government.

Biology Important Question Bank 2019

A student conducted an experiment to investigate the rate of enzyme activity. Relate the understanding gained from performing this experiment to an application of biotechnology.

A student conducted an experiment to model the process of accommodation. Describe the experiment and how the first-hand data collected could contribute to an understanding of how accommodation works in human vision.

Analyse the impact of modern technologies in the fields of modern medicine and genetic engineering on human evolution.

Analyse the impact of the Human Genome Project on the development of technologies which benefit society.

Analyse the impact of the development of the electron microscope on the understanding of chloroplast structure and function.

Antidiuretic hormone (ADH) is a protein produced by cells in the hypothalamus. The AVP gene codes for the production of ADH. Outline the steps to show how a mutation in the AVP gene could result in changes in the ADH protein.

Assess how our understanding of the path of a sound wave through the ear has led to the development of technologies that assist hearing.

Biological theories are always provisional in nature and change in the light of new evidence. Give reasons.

Compare mechanisms in the human body for detection and perception of a range of frequencies in visual and auditory communication.

Construct a dichotomous key to classify primates into four groups: prosimians, new world monkeys, old world monkeys, apes.

Construct a flow chart to show how an animal with a diploid number of 32 chromosomes can be cloned and how the clone can be verified. Include reference to chromosome number in each step.

Construct a flow chart to summarise the main steps and products of the light-independent reactions of photosynthesis.

Contrast the distribution and function of cone cells and rod cells in the human eye.

Describe an experiment that could be used to test van Helmont’s observation that soil is not primarily responsible for a plant’s change in mass.

Describe how the lens of the eye changes its shape in order to focus on near and far objects.

Explain ONE benefit and ONE limitation of suppressing the immune system in organ transplant patients.

Explain an advantage and a disadvantage of EITHER the product OR process of a specific animal biotechnology.

Explain how TWO different methods used to treat drinking water reduce the risk of infection.

Explain how both genotype and phenotype influence the inheritance of genes and natural selection in this population.

Explain how polymorphisms have enabled humans to survive in their environment. Use examples in your answer.

Explain how selective breeding has resulted in a series of changes in an agricultural species.

Explain how the energy liberated in the light-dependent reaction is stored and used in cells.

Explain how the human larynx produces sounds of different pitch.

Explain the relationship between advances in scientific knowledge of cell chemistry and modern uses of biotechnology.

Explain the role of isolation in the process of evolution.

Explain the structure and behavior of chromosomes in the first division of meiosis. Include detailed reference to the model.

Explain, using TWO examples, the evolutionary significance of polymorphism.

Models of human evolution continue to change as a result of work done by individual scientists and advances in technology. Give reasons.

What is the difference between polymorphism and clinal gradation?

With the breakdown of proteins, animals produce ammonia, a nitrogenous waste product that must be removed. Direct removal of ammonia requires the excretion of large amounts of water. Explain how both terrestrial mammals and insects conserve water while excreting nitrogenous wastes.

‘Genes influence proteins and proteins influence genes.’ Evaluate this statement with reference to the structure and function of genes and proteins.

‘Over the past 400 years, the development of our knowledge of the chemical transformations occurring both inside and outside plants has led to our current understanding of photosynthesis.’ Evaluate this statement with reference to the experiments of TWO named scientists.

PAST YEARS BOARD PAPERS BIOLOGY

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HSC 12TH Standard Biology Important Question Bank 2019