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Photosynthesis in green plants is leaves

Coffee, Rubber, Pepper, Cocoa 

Ocean At Par With Land

The plant body for storage is Sucrose

Plants store glucose in the form of Insoluble starch in leaves.

Sunlight is the main source of energy on the earth

More number of chloroplasts are seen on the upper part of leaf than on the lower part. That is why the lower part of the leafless green in color.

6 CO₂ + 6H₂O \(\underset{chlorophyll}{\stackrel{sunlight}{\longrightarrow}}\) C₆H₁₂O₆ + 6O₂

Sunlight + CO₂ → Algae & other aquatic Organisms → Photosynthesis

\(\overset{Food \,and \,oxygen}\longrightarrow\) Fish and other aquatic organisms → Birds & Terrestrial organisms

Plants are the cheapest and effective natural mechanism for the purification of air. They absorb carbon dioxide from the atmosphere & release oxygen. It is estimated that plants give out approximately 118 kilograms of oxygen when they use one tonne CO . As the plant cover on the earth decreases, this recycling mechanism stops and air pollution becomes severe. That is why the plants are called the lungs of the earth.

Living things can absorb solar energy directly is Plants

Plants give out approximately 118 kg of oxygen when they use one tonne CO₂

There are wide range of cutting trees all over the world. Many such instances are for making newspapers. In the same newspapers, we proclaim that trees should not be cut down. It is really a controversy. Similarly, bad news and wrong messages are passed onto people & generations by spoiling the life-supporting trees. Therefore protection of trees is more important.

No plants are the cheapest and effective natural mechanism for the purification of air. It offers great service to the biological world by absorbing CO₂ from the atmosphere and releasing oxygen.

• At least do not ruin the life of those trees, depending on whom we live”. 
• Plant together let’s make the world greener.’
• It is our duty to save environment duties. 
• Plant trees: for our future. 
• Plant trees: It is the only way to prevent Global warming.

Plants serve as the cheapest, effective and natural means for the purification of air. Plants also have a . major role in the mitigation of natural disasters. Mangrove forests help in controlling Tsunami to some extend. Bamboo forests, reed, vetiver, lemongrass, etc protect the river banks from collapsing during flood. Trees and bushes in mountains and hills prevent soil erosion and landslides.

Linear and non-linear multimedia are two different categories that are applicable to the world of multimedia. The main difference is that linear multimedia does not feature any sort of navigational abilities. 

Differences between linear and non-linear multimedia are:

It is a device that allows a user to take an image or text and convert it into a digital tile, allowing the computer to read or display the scanned object. It can be used for storing the documents in their original form that can be modified and manipulated later on. 

It comes in a variety of size from hand-held models to desktop models which are as follows: 

1.  Hand-held scanners They are very small which can be held in a hand. These are less expensive and less wide. Hence, in order to scan a single page image, multiple passes are required. But, their handiness is a major advantage of hand-held scanners. 

2. Flatbed scanners They are large and more expensive scanners that create higher quality of images. These scanners have a flat surface on which the printed image to he scanned is placed (Similar to the way a page is placed on a photocopier). They can scan a page in a single pass. 

3. Drum scanners They are medium size scanners with a rolling drum. The sheet is fed through the scanners so that the drum rolls over the entire sheet to be scanned (Just as the sheets are fed in a fax machine).

It is dangerous to sleep in a garage where automobiles have running engines because it may cause carbon monoxide poisoning.

Touch screen is an electronic visual display that can detect the presence and location of a touch within the display area.

It is an output device similar to a printer that uses a pen, pencil, marker or other writing tool to make a design. It is generally used to generate the map of building and shopping malls. It is a computer. 

A Patter printing device for printing vector graphics. 

In the past, plotters were widely used in applications such as CAD and other print jobs. Though, they have generally been replaced with wide format conventional printers.

Context : In this lesson the writer describes the life of two real brothers-George Ramsay and Tom Ramsay. George was elder brother while Tom was younger. But both of them were contrary to each other. George was sincere, serious and hard working while Tom was careless, idle and dissolute rogue. 

Explanation : In this passage the writer describes the early life of Tom Ramsay and a sudden change in him. According to the writer in every family there is an unwanted person like Tom. Tom had been a great problem for his family. He started his early life decently well, started business, married and had two children. He passed a happy married life and was respected like his elder brother George. But one day all of a sudden, he left his wife and office saying that the work and marriage did not suit him. He wanted to enjoy his life all alone. He also announced that he would not listen to any complaints or protests.

Tom blackmailed his brother George. Sometimes he assured him that he would improve himself. Thus, he got money from George.

Every family has a black sheep.

(a) blackmail

Laser printers are based on photocopy technology to print. They use a laser beam and dry powder ink to produce a high quality dot matrix pattern. They can print graphic images too. They are ideally used when good quality and large scale printing is required.

Laser  printers are based on electrophotography technology to print the data.

These printers are much quieter than impact printers as their printing heads do not strike the paper. Most non-impact printers produce dot-matrix patterns. There is no mechanical contact between the paper and the print head. These printers are comparatively faster and produce high quality output. They can be used for printing text and graphics both in black, white and colored.

One day Tom announced that he did not like work. He had decided to give up his work and family life. He wanted to pass a carefree life.

(a) handsome

Indirect expenses are indicated on debit side of Profit and Loss account.

When the amount of purchase returns and goods going out other than sales are deducted from the amount of purchases, the balancing amount is called net purchases.

Net purchases = Total Amount of purchases – (Amount of purchase returns + Amount of goods going out other than sales)

(a) hard work

The fable ‘The Ant and the Grasshopper’ teaches us a lesson that labour is rewarded and idleness is punished. So the writer was also asked to learn this fable.

Excess of the total of all incomes overall expenses means Net profit.

The printers can be classified into two categories which are as follows: 

1. Impact printers In these types of printers, there is a mechanical contact between the paper and the printer head. These can further be classified as-Line printers (which can print a line at a time) and Daisy wheel printers (which can print a character at a time). 

2.  Non-impact printers In these types of printers, there is no mechanical contact between the paper and the printer head. The printing takes place with some electromagnetic thermal or laser techniques. The non-impact printers are more speedy and quieter than impact.

Direct expenses are recorded on debit side of Trading account.

Balance Sheet Is prepared to test arithmetical accuracy and to find out financial position of the business.

Operating profit = Gross profit -Operating expenses

Productive wages, royalty, depreciation of factory building, depreciation of plant and machinery, oil, grease, etc. are the expenses related to production.

Correct option is (d) Financial position

Balance Sheet can be prepared in two different arrangements.

Operating profit is obtained from the Profit and Loss account.

If the total of credit side of Trading account is more than that of debit side, the balance amount is called as Gross profit.

Those assets which are convertible into cash in a short period are called current assets, e.g., Debtors, Bills receivables, etc.

Those fixed assets which can neither be seen nor touched are called intangible assets.

Correct option is (c) Result of the business

There are three types or profit. They are Gross profit. Operating profit and Net profit.

Gross profit is transferred to credit side of Profit and Loss account.

The first component of final accounts is Trading account.