Which of  the  following  describes carbon dioxide,  methane, and  water  vapor re-reflecting infrared radiation back toward Earth?

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#Question id: 35168

#XL - R Botany

Which of the following are essential for pollen germination on the stigma?

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#Question id: 35169

#XL - R Botany

Sites of pollen germination in angiosperms

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#Question id: 35170

#XL - R Botany

Which statements are correct?

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#Question id: 35171

#XL - R Botany

In most angiosperms, the primary endosperm nucleus is:

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#Question id: 35505

#XL - R Botany

Which of the following are true regarding embryogenesis in dicotyledonous plants like Capsella bursa-pastoris?

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#Question id: 35506

#XL - R Botany

Which of the following structures or cells are correctly matched with their roles during embryogenesis?