- What is ,the chemical formula, for (hydrogen peroxide)?
Answer: “H2O2”.. - What is, the main function of ,(white blood cells), in the human body?
Answer: “To fight infection”.. - What is, the chemical symbol, for (calcium),?
Answer: “Ca”.. - What is, the process, by which rocks ,are formed ,from pre-existing rocks called,?
Answer: “Rock cycle”.. - What is ,the unit, of measurement, for (force),?
Answer: “Newton (N)”.. - What is, the chemical symbol, for (carbon dioxide),?
Answer: “CO2”.. - What is, the study, of (the Earth’s history), called?
Answer: “Geology”.. - What is, the chemical formula, for (table sugar),?
Answer: “C12H22O11”.. - What is, the main function, of the (respiratory system), in the human body?
Answer: “To breathe”.. - What is, the chemical symbol, for (chlorine),?
SeeAnswer: “Cl”..
60.The process, by which rocks, are changed ,into different types of rocks known as…….?
Ans: “Metamorphism”..
- What is ,the unit of measurement for (frequency),?
Answer: “Hertz (Hz)”.. - What is, the chemical symbol for (hydrogen),?
Answer: “H”..
63.The study of the structure, and behaviour of atoms, known as…….?
Answer: “Atomic physics”..
64.: What is, the chemical formula ,for (sulphuric acid),?
Answer: “H2SO4”..
- What is, the main function of the nervous system, in the (human body),?
Answer: “To transmit signals”.. - The study ,of the interaction ,between organisms, and their environment known as……?
Answer: “Ecology”.. - What is, the chemical formula ,for (sodium chloride),?
Answer: “NaCl”.. - What is, the main function, of the skeletal system, in the (human body),?
Answer: “To provide structure and support”.. - What is, the chemical symbol, for (silicon),?
Answer: “Si”.. - The process, by which an organism develops, from a fertilized egg known as…..?
Ans: “Development”.. - What is, the unit of measurement ,for (temperature),?
Answer: “Celsius (°C) or Fahrenheit (°F)”.. - What is, the chemical formula, for (vinegar),?
Answer: “CH3COOH”.. - What is, the main function ,of the circulatory system, in the (human body),?
Answer: “To transport nutrients and oxygen to cells, and remove waste products”.. - What is, the chemical symbol, for (mercury),?
Answer: “Hg”..
75.The process, by which an organism grows ,and develops over time known as…..?
Answer: “Growth”..
- What is, the unit of measurement, for (pressure),?
Answer: “Pascal (Pa) or Atmosphere (atm)”.. - What is, the chemical formula, for (aspirin),?
Answer: “C9H8O4”.. - What is, the main function, of the digestive system, in the human body?
Answer: “To break down food and absorb nutrients”.. - What is, the chemical symbol, for (lead),?
Answer: “Pb”.. - The process, by which an organism produces offspring known as…….?
Ans: “Reproduction”.. - What is, the unit of measurement ,for (volume),?
Answer: “Liter (L) or Cubic meter (m^3)”.. - What is, the chemical formula ,for (hydrogen sulphide),?
Answer: “H2S”.. - What is, the main function of, the excretory system, in the human body?
Answer: “To remove waste products from the body”.. - What is, the chemical symbol for, (potassium nitrate),?
Answer: “KNO3”..
85.The process ,by which an organism, responds to stimuli, in its environment known as…….?
Answer: “Sensitivity”..
- What is ,the unit of ,measurement, for (speed),?
Answer: “Meters per second (m/s) or Kilometre’s per hour (km/h)”.. - What is, the chemical formula, for (baking soda),?
Answer: “NaHCO3”.. - What is, the main function of, the endocrine system, in the human body?
Answer: “To regulate hormones and metabolism”.. - What is, the chemical symbol, for (copper),?
Answer: “Cu”.. - The process, by which an organism obtains, and uses energy known as……?
Answer: “Metabolism”.. - What is, the unit of measurement, for (power),?
Answer: “Watt (W)”.. - What is ,the main function of the immune system, in the human body?
Answer: “To defend against pathogens and foreign substances”.. - What is, the chemical symbol, for (sulphur),?
Answer: “S”.. - The process, by which an organism adapts ,to its environment over time known as……?
Answer: “Evolution”.. - What is, the unit of measurement, for (electric potential),?
Answer: “Volt (V)”.. - What is, the chemical formula, for (citric acid),?
Answer: “C6H8O7”..
- What is ,the main function of, the muscular system, in the human body?
Answer: “To produce movement and provide support”.. - What is, the chemical symbol ,for (nitrogen dioxide),?
Answer: “NO2”.. - The study ,of matter ,and energy is known as…..?
Answer: “Physics”.. - What is, the chemical symbol, for (oxygen),?
Answer: “O”.. - What is, the force, that pulls objects towards,(the centre of the Earth), 🌎?
Answer: “Gravity”..
103.The process ,by which plants make, their own food …….?
Answer: “Photosynthesis”..
- What is, the main component, of (the Earth’s atmosphere),?
Answer: “Nitrogen”.. - What is, the chemical symbol, for (gold),?
Answer: “Au”.. - The study ,of living organisms ………?
Answer: “Biology”..
107.The process, by which water changes, from a liquid ,to a gas ……..?
Answer: “Evaporation”..
- What is, the chemical symbol, for (carbon dioxide),?
Answer: “CO2”..
109.: What is, the main function of ,red blood cells, in the human body?
Answer: “Oxygen transport”..
- What is, the chemical symbol ,for (sodium),?
Answer: “Na”.. - The process, by which rocks, are broken down, into smaller pieces ……..?
Answer: “Weathering”.. - What is ,the unit of measurement, for (electric current),?
Answer: “Ampere (A)”.. - What is ,the chemical symbol ,for carbon?
Answer: “C”.. - What is ,the layer of, the Earth’s atmosphere, where (weather occurs),?
Answer: “Troposphere”.. - What is ,the only planet, in the solar system, identified to (support life),?
Answer: “The Earth”.. - The study of, the behaviour ,and properties of matter …….?
Answer: “Chemistry”.. - What is ,the chemical symbol ,for (potassium),?
Answer: “K”.. - What is, the main function of, white blood cells ,in the human body?
Answer: “Immune defense”.. - What is, the chemical symbol, for (helium),?
Answer: “He”..
120.The process, by which rocks, are formed, from pre-existing rocks ……?
Answer: “Rock cycle”..
- What is, the unit of ,measurement ,for (energy),?
Answer: “Joule (J)”.. - What is, the chemical symbol ,for (nitrogen),?
Answer: “N”.. - The study of, the Earth’s physical features……..?
Answer: “Geography”.. - What is, the chemical formula, for (water),?
Answer: “H2O”.. - What is ,the main function of, the respiratory system, in the human body?
Answer: “Gas exchange”.. - What is, the chemical symbol, for (phosphorus),?
Answer: “P”.. - The process ,by which an organism develops, from a fertilized egg …….?
Answer: “Development”.. - What is, the unit of measurement ,for (frequency),?
Answer: “Hertz (Hz)”.. - What is, the chemical symbol, for (hydrogen),?
Answer: “H”.. - The study of the structure, and behaviour of atoms…….?
Answer: “Atomic physics”.. - What is, the chemical formula ,for (sulphuric acid),?
Answer: “H2SO4”.. - What is, the main function of the nervous system, in (the human body),?
Answer: “Control and coordination”.. - What is, the chemical symbol, for (chlorine),?
Answer: “Cl” - The process ,by which an organism responds, to stimuli in its environment…….?
Answer: “Sensitivity”.. - What is, the unit of measurement, for (speed),?
Answer: “Meter per second (m/s)” - What is, the chemical formula ,for (sodium chloride),?
Answer: “NaCl”.. - What is, the main function of the immune system ,in the human body?
Ans. “Defense against pathogens”.. - What is, the chemical symbol, for (sulphur),?
Ans. “S”..
139.The process, by which an organism adapts ,to its environment over time …….?
Ans. “Evolution”..
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