D. ALL OF THE ABOVE.
A verbal phrase consists of a verbal and a modifier or any object. Verbal is the term used to define a verb form that does not function as a verb in a sentence. Instead it functions as a noun, adjective, or adverb.
Three types of verbal phrase
Gerund phrase - consists of a gerund (-ing) and a modifier or object. Functions as a noun and can be a subject, subject complement, object, or appositive int he sentence.
Infinitive phrase - begins with an infinitive and is followed by an object or modifier. It almost always begin with "to" and is followed by the verb.
Participial phrase - always functions as an adjective in the sentence; consists of past or present participle with any object or modifier.
Answer:
B). Four.
Explanation:
Photorespiration is demonstrated as the respiratory process that involves a light-dependent release of carbon-dioxide and uptake of oxygen in photosynthetic organisms that helps in completing the Calvin cycle.
As per the question, 'four' molecules of PGO(phosphoglycolate) is required to produce the two molecules of PGA through the given route as one-fourth of them are lost during the process in the form of Carbon-dioxide due to the chain of reactions. Thus, <u>option B</u> is the correct answer.
