Question Discussion & Solution

The correct answer is Virus protection.

Functions of operating system are:

• Therefore, Virus Protection is not the function of OS. It is a function of Firewall and Antivirus.

The correct answer is CTRL + F2.

• Print Preview is a feature that displays on the screen what a hard copy would look like when printed.
  • Press Ctrl + F2 to open the print preview for the document.
  • By using the print preview, you can find any errors that may exist or fix the layout before printing, which can save ink or toner and paper by not having to print more than once.

Additional Information

• To open the print preview feature, click the print preview icon on the toolbar, like that shown in the picture, or click File and choose the Print Preview option.
• Some programs, like newer versions of Microsoft Office applications, show a print preview on the Print page.
• In these cases, there is no Print Preview option in the program's menu.
• Many programs do not have a shortcut key for the print preview feature.
• However, you can press Alt+F to open the file menu and press V, R, or the other underlined character (Mnemonic) for the Print Preview option.
• In programs like Microsoft Word, while in the print preview, you can change the page orientation from Portrait Orientation to Landscape.
• Orientation to view the page in landscape.
• Unfortunately, not all programs support this ability.
• If the program you're using has no settings or options in print preview, you cannot view how your page would print in landscape mode.

The correct answer is Rice.

• Rice blast disease, caused by Magnaporthe oryzae (Ascomycota), occurs in about 80 countries on all continents where rice is grown, in both paddy fields and upland cultivation.
• The extent of damage caused depends on environmental factors, but worldwide it is one of the most devastating cereal diseases, resulting in losses of 10–30% of the global yield of rice.
• Other common diseases of the crop of rice are - Blight, Bacterial leaf streak, Brown spot, Sheath blight, False smut, etc.

Additional Information

• The biological agents that causing diseases to plants are known as pathogens. 
• Some of the viral diseases in plants are - bud blight (soyabeans), Curly tops (Beans, tomato, etc.), Mosaic leaf (Tomato, pea, potato,tobacco, etc.).
• Some of the bacterial diseases in plants are - Blights (vegetable crops), Bacterial wilts (Tobacco, potatoes, etc), Cankers (Woody plants), Leaf Spots, Soft Wrots, etc.
• Some of the fungal diseases in the plants are - Cankers, Ergot, Rusts, Root rots, Scabs, Smuts, etc.
   

The correct answer is Canada.

Key Points

• The federal government system of India has been taken from the Canadian Constitution.

Additional Information

• Only the Parliament has the power to make laws on the subjects of the Union List.
• Article 245 to 255 of the Constitution discusses the Centre-State legislative relations in Part-XI.
• In the Constitution of India, three types of lists are present in the Seventh Schedule as the legislative powers between the Center and the States.
• The 'Union List' mentions important subjects, which include defence, communication, foreign policy, etc., and where only the laws of the Center are effective.

In alphabet group there is difference of five except ‘QU’

E + 5 → J

O + 5 → T

Q + 4 → U

 M + 5 → R