The endosperm in angiosperm develops from

The endosperm in angiosperm develops from

Options

(a) zygote (b) secondary nucleus (c) chalazal polar nucleus (d) micropylar polar nucleus

Correct Answer:

secondary nucleus

Explanation:

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The oxygen toxicity is related with

The oxygen toxicity is related with

Options

(a) blood poisoning (b) collapse of alveolar walls (c) failure of ventilation of lungs (d) blood poisioning and collapse of alveolar walls

Correct Answer:

failure of […]

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