Plant Structure
Which of the following observations is not used as evidence to support the concept of endosymbiotic origin of chloroplasts and mitochondria?

Both have their own ribosomes
Both strongly resemble prokaryotes, especially in size
Both can live and function independently of the cell
Both have their own DNA

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Plant Structure
Which is not true about a photon?

It is a packet of light energy
The shorter the wavelength, the greater the energy of the photons
It donates electron to reduce carbon dioxide to glucose
It is trapped by photosynthetic unit

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