"To every action there is an equal and oposite reaction"-- this theory has been given by--
"To every action there is an equal and oposite reaction"-- this theory has been given by--
Which gas is present under pressure in soft drinks?
Which gas is present under pressure in soft drinks?
When we breathe which of the following gases do we use?
When we breathe which of the following gases do we use?
Which one of the following serves as host tree for silkworm to produce good silk?
Which one of the following serves as host tree for silkworm to produce good silk?
Which one of the following has the shortest wave length?
Which one of the following has the shortest wave length?
Light year is related to—
Light year is related to—
Which of the following acids is most important in building tissue proteins?
Which of the following acids is most important in building tissue proteins?
বস্তুর ওজন সবচেয়ে বেশি—
বস্তুর ওজন সবচেয়ে বেশি—
A citrus fruit means that the fruit is rich in-
A citrus fruit means that the fruit is rich in-
Which one of the following substances undergoes chemical change on heating?
Which one of the following substances undergoes chemical change on heating?
The first attempt in printing was made in England by—
The first attempt in printing was made in England by—
How many legs do butterflies have?
How many legs do butterflies have?
For which of the following purposes is a transformer used?
For which of the following purposes is a transformer used?
Which human gland does secret growth hormone?
Which human gland does secret growth hormone?
A universal doner is a person having blood group of—
A universal doner is a person having blood group of—
Oncology is the study of—
Oncology is the study of—
The length of the days and nights is equal at the—
The length of the days and nights is equal at the—
Meteorology is the science of—
Meteorology is the science of—
Which one of the following is used for bleaching purposes?
Which one of the following is used for bleaching purposes?
Joule is the unit of—
Joule is the unit of—
Which of the followings is not a part of milk?
Which of the followings is not a part of milk?
Which of the following pairs is incorrect?
Which of the following pairs is incorrect?
The unit of current is—
The unit of current is—
The virus of Swine Flu is named as—
The virus of Swine Flu is named as—
Which of the following is not the name of Greek God?
Which of the following is not the name of Greek God?
Which one of the following gases is predominant in the atmosphere?
Which one of the following gases is predominant in the atmosphere?
How many Dynes are there in one gram weight?
How many Dynes are there in one gram weight?
A nuclear reactor is a device to produce nuclear energy with the help of---
A nuclear reactor is a device to produce nuclear energy with the help of---
The credit of developing the polio vaccine goes to—
The credit of developing the polio vaccine goes to—
Mark the wrong combination—
Mark the wrong combination—
The center of the earth is known as the—
The center of the earth is known as the—
Which of the following is a unit of pressure?
Which of the following is a unit of pressure?
Who proposed the chemical evolution of life?
Who proposed the chemical evolution of life?
Which of the following is not a part of the human eye?
Which of the following is not a part of the human eye?
The velocity of light was measured by—
The velocity of light was measured by—
Which of the following is the main source of energy of the sun?
Which of the following is the main source of energy of the sun?
What causes an eclips of the sun?
What causes an eclips of the sun?
The universal blood group donor is—
The universal blood group donor is—
Which organization of UNO declared prohibition on Clone human chiled?
Which organization of UNO declared prohibition on Clone human chiled?
In tritinum, electrons, protons and neutrons are present in the ratio of—
In tritinum, electrons, protons and neutrons are present in the ratio of—
Which one of the following contributes largely to the green-house gas effect?
Which one of the following contributes largely to the green-house gas effect?
The blood group which is univershal recipient is—
The blood group which is univershal recipient is—
Who developed the small pox vaccination?
Who developed the small pox vaccination?
What invention bought Alfred Nobel fame and fortune?
What invention bought Alfred Nobel fame and fortune?
Decible is unit of-
Decible is unit of-
Every molecule of water contains—Oxygen and Hydrogen.
Every molecule of water contains—Oxygen and Hydrogen.
In Y2K, K stands for—
In Y2K, K stands for—
Every atom of Carbon di-oxide contains -- Oxygen and --- Carbon.
Every atom of Carbon di-oxide contains -- Oxygen and --- Carbon.
To glavanise iron, iron is coated with which of the followiing?
To glavanise iron, iron is coated with which of the followiing?
What is the difference between Bangladesh Standard Time and Greenwich Mean Time?
What is the difference between Bangladesh Standard Time and Greenwich Mean Time?
SMS available in mobile phone stands for—
SMS available in mobile phone stands for—
Eugenics is the study of-
Eugenics is the study of-
The telephone was invented by-
The telephone was invented by-
Which of these is not a planet in the Solar System?
Which of these is not a planet in the Solar System?
Which of the following is necessary for a substance to burn?
Which of the following is necessary for a substance to burn?
Which of the following is the most toxic gas?
Which of the following is the most toxic gas?
Which of the following statements is true?
Which of the following statements is true?
Which planet has recently been the target of a lot of controversy?
Which planet has recently been the target of a lot of controversy?
Which of the following is the mde of propagation of heat from the sun to the earth?
Which of the following is the mde of propagation of heat from the sun to the earth?
What are metal bearing rocks called?
What are metal bearing rocks called?
Who among the following evolved the concept of relationship between mass and energy?
Who among the following evolved the concept of relationship between mass and energy?
What is there in the North Polar region?
What is there in the North Polar region?
Which one of the following forms an irreversible complex with hemoglobin of the blood?
Which one of the following forms an irreversible complex with hemoglobin of the blood?
Anopheles mosquito causes which of the following deases?
Anopheles mosquito causes which of the following deases?
Which one of the following is used for bleaching purposes?
Which one of the following is used for bleaching purposes?
Natural hot water springs occuring in New Zealand, Italy and Iceland are known as—
Natural hot water springs occuring in New Zealand, Italy and Iceland are known as—
The credit of inventing the television goes to-
The credit of inventing the television goes to-
Anatomy is the branch of science which deals with—
Anatomy is the branch of science which deals with—
What is the name given to the respiratory holes on the surface of a leaf?
What is the name given to the respiratory holes on the surface of a leaf?
Which one of the following crops requires continuous semi-aquatic condition for cultivation?
Which one of the following crops requires continuous semi-aquatic condition for cultivation?
Wright Brothers are regarded inventors of the-
Wright Brothers are regarded inventors of the-
The tendency of a liquid drop to assume spherical shape is due to—
The tendency of a liquid drop to assume spherical shape is due to—
What is known as the universal solvent?
What is known as the universal solvent?
Study of earthquakes is known as—
Study of earthquakes is known as—
Where is the headquarters of the UN Security council located at?
Where is the headquarters of the UN Security council located at?
The hardness of the bone tissue is due to the phosphates and carbonates of which of the following pairs of elements?
The hardness of the bone tissue is due to the phosphates and carbonates of which of the following pairs of elements?
Sir Jagadish Chandra Bose is famous for his contribution in the field of—
Sir Jagadish Chandra Bose is famous for his contribution in the field of—
Which one of the following is not a noble gas?
Which one of the following is not a noble gas?
ডুবোজাহাজে কোন যন্ত্রের সাহায্যে পানির নিচ থেকে উপরের দৃশ্য দেখা যায়?
ডুবোজাহাজে কোন যন্ত্রের সাহায্যে পানির নিচ থেকে উপরের দৃশ্য দেখা যায়?
Fish preathe through—
Fish preathe through—
What do scientists beleve global warming is caused by?
What do scientists beleve global warming is caused by?
Which of the following compounds are responsible for acid rain?
Which of the following compounds are responsible for acid rain?
Which instrument is used to measure pressure?
Which instrument is used to measure pressure?
Which of the following is a main component of comon glass?
Which of the following is a main component of comon glass?
Which planet is nearest to the Sun?
Which planet is nearest to the Sun?
Heating element of an electric heater is made up of--
Heating element of an electric heater is made up of--
One liter of water is equivalent to how many kilograms?
One liter of water is equivalent to how many kilograms?
Starch is a mixture of—
Starch is a mixture of—
Who invented the ball point pen?
Who invented the ball point pen?
Hepatitis C increases the risk of—
Hepatitis C increases the risk of—
What is the correct increasing order of abundance of the main components of air?
What is the correct increasing order of abundance of the main components of air?
On burning charcoal which of the following gases is produced?
On burning charcoal which of the following gases is produced?
Which of the following is a device for storing electric charge?
Which of the following is a device for storing electric charge?
Stainless steel is an alloy of iron and—
Stainless steel is an alloy of iron and—
Hygrometer is used to measure—
Hygrometer is used to measure—
What is the name given to molten rocks that are erupted by a volcano?
What is the name given to molten rocks that are erupted by a volcano?
Solar Energy is a—
Solar Energy is a—
What is the acceptable safe limit of Arsenic per liter of water?
What is the acceptable safe limit of Arsenic per liter of water?
With which device are earthquakes recorded?
With which device are earthquakes recorded?
