Q. Disadvantage of using DDT as pesticide is -
1) it becomes ineffective after sometime.
2) Not easily degraded in nature.
3) less effective than others.
4) its high cost .
Q. The presence of Entamoeba histolytica in drinking water is an indication of -
1) bacterial outbreak
2) polluted water
3) clean water
4) decay of organic matter
Q. The heat of a reaction does not depend on -
1) temperature of the reaction.
2) the path by which the final product is obtained.
3) Physical state of the reactants and products
4) Whether the reaction is carried out at constant pressure or at constant volume .
Q. Which of the following is a natural polymer?
1) Bakelite
2) Cellulose
3) PVC
4) Nylon
Q. _____________________ is unwanted e-mail or junk mail.
1) Bomb
2) phatBot
3) Spam
4) Worm
Q. The process of eliminating logical errors is known as -
1) testing
2) debugging
3) Maintenance
4) evaluation
Q. ______ programs are used to create numeric-based documents such as budgets .
1) Word processing
2) Presentation
3) Spread sheet
4) Graphics
Q. Radio telescopes are better than optical telescopes because -
1) They can detect faint galaxies which cannot be done by optical telescopes.
2) They an work even in cloudy conditions.
3) They can work during the day and night.
4) All of the above .
Q. Light year is a unit of -
1) time
2) distance
3) light
4) intensity of light
Q. A transformer is used to -
1) increase A.C. voltage.
2) increase D.C. voltage.
3) Convert electrical energy to heat energy.
4) convert A.C. energy to D.C. energy .
Interior design is a fun and creative field. It mixes art and practicality to make spaces look good and work well. With more people wanting great places to live and work, the need for skilled interior designers is rising. Let’s look at what it takes to have a career in interior design, including nee →
Foundation Date: December 8, 1991 Headquarters: The Republic of Belarus Executive Secretaries: Sergei Lebedev Member Countries: 12 Commonwealth of Independent States (CIS) was established on December 8, 1991, and the leaders of the Republic of Belarus, the Russian Federation, and Ukraine signed an a →
In 2009, an unknown programmer by the name of Satoshi Nakamoto put forward a whitepaper that proposed a creation of new form of digital currency - cryptocurrency. Cryptocurrency functions the same way as regular currencies do in that its used as a means of exchange, unit of account and a store of va →
Headquarter: New Delhi Function and Objective of the Organization: The Food Safety and Standards Authority of India (FSSAI)has been established under Food Safety and Standards Act, 2006 which consolidates various acts & orders that have hitherto handled food-related issues in various Ministries →
If you contribute your content to our site. Please mail us your content to editor@onlinegk.net