1, 2 and 4 don't really seem surreal, those are the options that could happen anytime in your life. However, is it possible for a human being to transform into an insect? Since it is not, the correct answer to your question, what can be considered surreal in the Metamorphosis is 'Gregor transforming into an insect'.
What is photosynthesis ?

The process through which green plants prepare their own food is known as photosynthesis.

<u>Photosynthesis- The food making process in Plants:</u>
The synthesis of food in plants occurs in their leaves. Hence, leaves are called the food factories of the plants. The leaves have a green pigment called chlorophyll. It helps leaves to capture the energy of the sunlight. This energy is used by the pants to synthesise their food using carbon dioxide and water. This process is known as Photosynthesis.
(photo = light ; synthesise = to combine) as it takes place in the presence of sunlight.

Answer:
Yes
Explanation:
An oxymoron is a figure of speech containing words that seem to contradict each other. It's often referred to as a contradiction in terms. As with other rhetorical devices, oxymorons are used for a variety of purposes. Sometimes they're used to create a little bit of drama for the reader; sometimes they're used to make a person stop and think, whether that's to laugh or to wonder.
C.a way of discussing a topic that leads to critical thinking and complex understanding.
Hope this helps! Have a good day!