Photosynthesis

Plants are __________, they make their own food.

• Heterotrophs

• Autotrophs

• Mitochondria

• A black hole into an intergalactic void

If we enclosed a plant in an air-proof bottle, what would happen to the rate of photosynthesis 

• Gradually slow down to zero because CO₂ is used up
• Shows a constant rate as long as the light remains on
• Gradually speeds up because O₂ builds up
• Gradually slows down because glucose builds up

Most plants appear green because chlorophyll

• absorbs green light.
• absorbs violet light.
• reflects green light.
• does not absorb violet light.

What is the common product of mitochondria and chloroplasts?

• oxygen

• water

• ATP

• glucose

In Hill Reaction, which one is the oxidising agent?

• electron

• DCPIP

• NADP

• NAD

What is the compound produced right after the fixation of carbon dioxide by a C4 plant?

• malate

• oxaloacetate

• pyruvate

• PEP

Photosystem I gets its electron replaced by water photolysis.

• True

• False

Photosystem II is also known as _____ .

• P680

• P700

• P720

• P750

What is the best unit to measure wavelength of light?

• cm

• mm

• nm

• pm

Which of the following names is/are enzyme(s)?

• rubisco

• RUBP

• PEP

• PEP carboxylase