Explanation

In the journey of electrons from photosystem II to photosystem I, plastocyanin is reduced by the cytochrome complex.

The cytochrome complex facilitates the transfer of electrons to plastocyanin, which then carries them to Photosystem I.

Explanation

There's Mr. Hashim, who they say is the best portrait painter in the town.

This sentence is correct in terms of punctuation, capitalization, and grammar, using "who" and the proper form of "the best portrait painter."

Explanation

The appropriate Doppler equation when the source is approaching the stationary observer is 𝑓𝑜 = 𝑣/𝑣 − 𝑣𝑠 𝑓𝑠.

This equation accounts for the increased frequency observed when the source moves toward the observer, as the sound waves are compressed.

Explanation

The Lyman series falls in the ultraviolet region.

It corresponds to electronic transitions in a hydrogen atom where the electron drops to the n=1 energy level, emitting ultraviolet radiation.

Explanation

Geometric isomerism is displayed by compounds having the same structural formula but different positions of atoms or groups on either side of a double bond.

It involves Geometric isomerism is displayed by compounds having the same structural formula but different positions of atoms or groups on either side of a double bond.

It involves cis-trans or E-Z isomers.

Explanation

According to the endosymbiosis theory, flagella may have derived by the ingestion of prokaryotes similar to spirochete.

This theory suggests that eukaryotic cells may have evolved through symbiotic relationships with engulfed prokaryotic organisms.

Explanation

The immediate next stage of spermatogonia differentiation is primary spermatocytes.

These cells undergo meiosis to eventually develop into secondary spermatocytes and ultimately mature into sperms.

Explanation

The supervisor has not compromised nor will ever compromise.

This sentence is correct in both verb tense and structure, maintaining parallelism with "has not compromised" and "will ever compromise."

Explanation

The soup tastes good.

سوپ کا ذائقہ اچھا ہے۔

In this context, "tastes" is the correct verb form.

Because it refers to the general characteristic of the soup, not a temporary action.

Explanation

Projectile motion is a type of two-dimensional motion where an object moves under the influence of gravity, with a constant acceleration of g (9.8 m/s²).

It involves a combination of horizontal motion with a constant velocity and vertical motion with a constant acceleration, resulting in a curved trajectory.