What is the benefit of thunder and lightning to farmers?
Addition of nitrates to the soil
Aeration of the soil
Removal of harmful bacteria from the soil
Addition of rain water to the soil
Correct answer is A
No explanation has been provided for this answer.
The main raw materials required for photosynthesis are
oxygen and water
oxygen and carbon dioxide
oxygen and chlorophyll
carbon dioxide and water
Correct answer is D
No explanation has been provided for this answer.
The brightly coloured petals in some plants is an adaptive colouration for
feeding
pollination
dispersal
shedding
Correct answer is B
No explanation has been provided for this answer.
I
II
III
IV
Correct answer is B
No explanation has been provided for this answer.
The major role played by accessory pigments during photosynthesis is to?
add colour to plants but not to trap light energy
trap light energy that chlorophyll cannot absorb
transfer energy from chlorophyll to other pigments
prevent chlorophyll from absorbing unnecessary light
Correct answer is B
Accessory pigments are light-absorbing compounds, found in photosynthetic organisms, that work in conjunction with chlorophyll.
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