Science Short Question Suggestions for PEC 2015 ( English Version)

Life and our environment

Ø  What do you mean by the environment?

Ø  Which gas do the green plants absorb during the time of manufacturing food?

Ø  Write the names of our elements of air.

Ø  What is food chain?

Ø  What are the places where air does exist?

Ø  What are the important factors that influence the biotic life?

Environment pollution

Ø  How many kinds of pollution are there in existence?

Ø  What is environment pollution?

Ø  How does air become polluted?

Ø  What is acid rain?

Ø  What is the main reason of environment change?

Ø  What do you mean by environment conservation?

Water for life

Ø  Why it is said that the other name of water is life?

Ø  What is arsenic?

Ø  What are the chemicals usually used to purify water?

Ø  What is the cause of Arsenic pollution?

Ø  What kind of water is not safe for drinking?

Ø  What is Arsenicosis?

Air

Ø  Why is black smoke of cars is harmful?

Ø  What is atmosphere?

Ø  What is a windmill?

Ø  How many elements are there in the air?

Ø  What is energy?

Ø  What is polluted air?

Ø  What is the atmosphere?

Ø  Write down the name of any two places, where less oxygen does exist.

Matter and energy

Ø  What is are the main property (ies) of a matter?

Ø  What is matter made of?

Ø  What is the source of nuclear energy?

Ø  What is called the process of transmission of heat through solid bodies?

Ø  What are the factors that control the state of matters?

Food for good health

Ø  What is food?

Ø  What is junk food?

Ø  Write down the six elements of ideal food.

Ø  Write down any two reasons for food preservation.

Ø  Which foods are mixed with artificial colour?

Healthy lifestyle

Ø  Write the name of an infectious disease.

Ø  What is childhood?

Ø  What is called water borne diseases?

Ø  Which of the insects can cause elephantiasis?

Ø  What is the name of the germ that causes swine flue?

Ø  Which mosquito causes dengue fever?

Ø  How dengue fever spread?

Ø  What is HINI?

Ø  What is adolescent stage?

The Universe

Ø  What is a galaxy?

Ø  What is the reason for change of seasons?

Ø  What is Milky way?

Ø  What is the universe?

Ø  What is lunar month?

Technology in our life

Ø  What are the central objectives of studying science?

Ø  What is the aim of science?

Ø  What is the latest and modern technology you use?

Ø   What is genetic engineering?

Ø  Write the name of an agricultural technology.

Ø  What is the main function of scientists?

Ø  What are the functions of the technologist?

Ø  What are the three ages of agricultural technology?

Information in our life

Ø  What are the names of the input devices of a computer?

Ø  What is the input of mechanical technology?

Ø  What is the input of information technology?

Ø  What is the output of information technology?

Ø  What is information revolution?

Ø  What is the main specialty of the modern age?

Ø  How long time will be required to be doubled the world’s store of knowledge if the present trend of expansion of knowledge goes on?

Ø  How can information be exchanged?

Ø  What is laptop?

Ø  What is Firefox?

Ø  What is CD?

Ø  What is information?

Ø  What is output?

Weather and climate

Ø  Write the names of three natural calamities of Bangladesh.

Ø  What does humidity of air mean?

Ø  What is the main factor creating the difference between weather and climate?

Ø  Which of the directions does Kalboishakhi come from in Bangladesh?

Ø  What is called the storm created in Japan and East Asia?

Ø  Where does cyclone create?

Ø  What is tidal wave?

Ø  What are the factors of changes in weather?

Ø  What does humidity of air mean?

Ø  What is weather?

Ø  What is climate?

Climate change

Ø  What is global warming?

Ø  What is the main cause of global warming?

Ø  Why is carbon dioxide getting increase in atmosphere?

Ø  What is green house?

Natural resources

Ø  Discuss what is fossil fuel?

Ø  What are the natural resources of Bangladesh?

Ø  What is meant by renewable resources?

Ø  What is the device used to convert solar energy to electricity?

Ø  What is solar panel?

Ø  What is “Green Energy”?

Ø  What is solar electricity?

Population and natural environment

Ø  For what is mankind regarded as unique above all creatures on the earth?

Ø  What is population census?

Ø  When is population census done usually?

Ø  What was the population of Bangladesh according to the population census done is 2011?

Ø  What are the impacts of excess population?

Ø   What do you mean by population?

Ø  What are the basic needs of people?