← SetsScience — Set 6
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Science Practice Questions — Set 6
10 free Science reviewer questions with answers and explanations. Pindutin ang sagot mo para makita agad kung tama — kasama na ang paliwanag. Set 6 of 10.
51
Why is antibiotic resistance considered a major example of natural selection?
52
A patient's blood test shows low oxygen levels and high carbon dioxide levels. This indicates a failure of which two body systems to interact properly?
53
A cell needs to move a substance from a low concentration inside to a high concentration outside. Which process must it use?
54
What is the *most likely* immediate effect of a single base-pair mutation (like A -> G) in a DNA sequence?
55
Why does a wound stop bleeding?
56
You are cold, so your body shivers. Shivering is an example of:
57
If you boil an enzyme (like one that digests protein), it stops working. Why?
58
A person with Type A blood receives a transfusion of Type B blood. What will happen?
59
Two different organisms are in the same *Order*. What other classification level *must* they also share?
60