Explore topic-wise MCQs in Biochemistry.

In the Calvin cycle, carbon dioxide is fixed in a reaction with the

During the light-dependent reactions of photosynthesis, which of the following does not occur?

Oxidative phosphorylation is to respiration as __________ is to photosynthesis

In cells having organelles, the steps of the Krebs cycle and the electron transport system occur in the

Which of the following structures or processes are logically associated with chloroplasts?

What do NAD⁺, NADP⁺, and FAD⁺ all have in common?

Which enzyme is involved in carbon-fixation reaction?

In the initial step of photosynthesis, sunlight energizes the electron pair of

A cyclic electron transport process is the characteristic of

Antenna complexes, electron transport chains, and carbon fixation are all found in

Where does the O₂ come from that is essential for the proper functioning of oxidative phosphorylation?

In oxygenic photosynthesis, the electron donor is

The vast majority of the molecules that act as energy carriers to power cellular activities are made in

More ATP is manufactured during __________ than at any other time in all of cellular metabolism.

Electron transport systems play a vital role in

The electrons that are released by the splitting of water during photosynthesis ultimately end up in

Carbon dioxide is reduced in

In noncyclic photophosphorylation, the ultimate acceptor of electrons that have been produced from the splitting of water is

The breakdown of glucose occurs by the process known as

The manufacture of ATP in both photosynthesis and respiration is made possible by

In algae, photosynthesis takes place in

What is the maximum absorption wavelength for photosystem I in green plants?

Which one of the following is a product of both cyclic and noncyclic photophosphorylation?

Which of the following represents a correct ordering of the events that occur during the respiration of glucose in the absence of O2?

Glycolysis takes places in the __________ and produces __________ , which in the presence of oxygen then enters the __________ .

What process in cellular respiration is essentially the reverse of carbon fixation in photosynthesis?

What do coenzyme A, CO₂, oxaloacetate, and FADH₂ all have in common?

The followings are the products of the light reactions of photosynthesis except

Carbon fixation requires the expenditure of ATP molecules which is generated by

The cytochrome c oxidase complex

NADP⁺ is reduced to NADPH during

If the oxygen is labeled in CO₂ and provide this CO₂ to a plant, where it is expected to find this labeled oxygen after the plant had undergone photosynthesis?

As a result of the photosynthetic process, which product is formed?