Skip to content
โ† SetsMajorship: Science โ€” Set 1
0 of 10

Majorship: Science Practice Questions โ€” Set 1

10 free Majorship: Science reviewer questions with answers and explanations. Pindutin ang sagot mo para makita agad kung tama โ€” kasama na ang paliwanag. Set 1 of 2.

1

During DNA replication, which enzyme is responsible for unwinding the double helix at the replication fork by breaking the hydrogen bonds between nitrogenous bases?

2

How many moles of oxygen gas (O2) are required to completely react with 4.0 moles of propane (C3H8) during combustion (C3H8 + 5O2 -> 3CO2 + 4H2O)?

3

In the photoelectric effect, what happens to the emitted electrons if the frequency of the incident light is increased while keeping the intensity constant?

4

Which geological era is known as the "Age of Reptiles," characterized by the dominance of dinosaurs and the appearance of the first birds and mammals?

5

In aerobic cellular respiration, which process occurs in the mitochondrial matrix and generates the most electron carriers (NADH and FADH2)?

6

Which of the following elements has the highest first ionization energy?

7

What is the theoretical maximum efficiency of a heat engine operating between a hot reservoir at 600 K and a cold reservoir at 300 K?

8

In certain flowers, a cross between a homozygous red flower and a homozygous white flower produces all pink offspring. Which type of inheritance pattern does this demonstrate?

9

Which functional group is characterized by a carbonyl group (C=O) bonded to at least one hydrogen atom, usually found at the end of a carbon chain?

10

What is the final evolutionary stage for a star with a mass similar to our Sun after it sheds its outer layers as a planetary nebula?