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Science Practice Questions — Set 3
10 questions with answers and explanations.
21
Which enzyme in the human stomach helps digest proteins?
22
What is the chemical symbol for Gold?
23
Which of the following is a scalar quantity?
24
What process occurs in the ribosomes?
25
Which gas is produced as a byproduct of anaerobic respiration in yeast?
26
What is the charge of a neutron?
27
Which part of the brain is primarily responsible for balance and coordination?
28
What is the most reactive group of metals in the periodic table?
29
If the frequency of a wave increases while its speed remains constant, what happens to its wavelength?
30