Understand the science behind daily life through questions covering health, energy, environment, inventions and natural phenomena.
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Which of the following is an example of a chemical change?
Which part of the human ear helps in maintaining balance?
The main function of the xylem tissue in plants is to:
Which of the following is the primary component of bones that provides rigidity?
Which gas is filled in balloons to make them float in air?
What is the primary function of the respiratory system?
The process by which solid turns directly into gas without becoming liquid is called:
The energy stored in a stretched rubber band is an example of:
Which of the following is the chemical name for baking soda?
Which instrument is used to measure humidity?
The gas exchanged during cellular respiration that is released as a waste product is:
Which of the following is the lightest gas?
Which of the following is used as a disinfectant for drinking water?
The main function of the alveoli in the lungs is to:
Which of the following elements is a key component of the hemoglobin molecule besides iron?
The pigment responsible for the green color in plants is:
Which of the following is the chief component of natural rubber?
The medical term for the surgical removal of the appendix is:
Which organ is primarily responsible for filtering blood and removing waste as urine?
What is the primary function of the human liver?