A. Oxygen – Carbon dioxide B. Carbon dioxide – Oxygen C. Oxygen – Carbon monoxide D. None of theseCarbon monoxide – Oxygen During daylight hours, plants take in carbon dioxide and release oxygen through photosynthesis, and at night only about half that carbon is then released through respiration. However, plants still remain a net carbon … Read more
A. Kidneys B. Lungs C. Large intestine D. Liver Urine is formed in the kidneys through a filtration of blood. The urine is then passed through the ureters to the bladder, where it is stored. During urination, the urine is passed from the bladder through the urethra to the outside of the body. The correct … Read more
A. Mercury B. Venus C. Mars D. Jupiter The correct answer to the question: “The planet which is easily visible from the Earth is?” is “Venus”.
A. Saturn B. Venus C. Mars D. Jupiter The correct answer to the question: “The Great Spot is on the planet __________?” is “Jupiter”.
A. 9.5×106 km B. 9.5×109 km C. 9.5×1012 km D. 9.5×1018 km
A. Mars B. Saturn C. Uranus D. Jupiter The correct answer to the question: “The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids.” is “Jupiter”.
A. 3 B. 4 C. 5 D. 6 There are 5 planets visible without a telescope, Mercury, Venus, Mars, Jupiter and Saturn. The largest planet in our solar system by far is Jupiter. The correct answer to the question: “The planets visible to us without using a telescope are __________?” is “5”.
A. 10 – 20 B. 20 – 30 C. 30 – 40 D. 40 – 50 The correct answer to the question: “According to Big Bang Theory, the Universe began about __________ billion years ago.” is “10 – 20”.
A. Blood glucose level B. The body pH value C. Amount of hemoglobin D. Salinity in Urine A biosensor is a sensor exploiting a biomolecule and is used to measure the presence of a certain substance in a liquid. For example, the medical world uses biosensors to detect a virus in the blood or to … Read more
A. E = mc2 B. E = cm2 C. M = ec2 D. M = ce2