Development in plants is influenced by both intrinsic and extrinsic factors. Which of the following is included under intrinsic factors?
A
Growth regulators
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B
Oxygen
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C
Water
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D
All of the above
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Solution
The correct option is A Growth regulators
Development is the sequence of events that occur in the life history of a
plant which includes seed germination, growth, differentiation,
maturation, flowering, seed formation and senescence. The process.of
development is considered as the sum of growth and differentiation
controlled by several intrinsic factors (including genetic and hormonal)
and extrinsic factors (including light, temperature, water, oxygen,
nutrients, etc).