A reptile with a four-chambered heart is______________?
A reptile with a four-chambered heart is______________?
A. Snake
B. Turtle
C. Lizard
D. Crocodile
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_______________ causes biomagnification problem in the Ecosystem.
_______________ causes biomagnification problem in the Ecosystem.A. Lead
B. Mercury
C. Chromium
D. CopperThe respiratory problem common in smokers is______?
The respiratory problem common in smokers is______?A. tuberculosis
B. Emphysema
C. Asthma
D. CancerBiosensor is used to measure?
Biosensor is used to measure?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 measure glucose levels in blood. These are mainly point-of-care applications, where direct results are important.Ring planet is Saturn; least dense and 2nd largest planet is_________?
Ring planet is Saturn; least dense and 2nd largest planet is_________?A. Jupiter
B. Saturn
C. Neptune
D. MercuryHow many ounces in a pound?
How many ounces in a pound?A. 10
B. 12
C. 14
D. 16The Doppler’s effect is applicable for_________?
The Doppler’s effect is applicable for_________?A. light waves only
B. sound waves only
C. Both Light waves and sound ways
D. None of theseAn apparent change in the frequency of waves, as of sound or light, occurring when the source and observer are in motion relative to each other, with the frequency increasing when the source and observer approach each other and decreasing when they move apart.
Hence, it is applicable for both sound and light waves.