O, P, Q, R elements electronic configuration is given below

O = 1s² P = 1s² , 2s ² , 2p²

Q = 1s² , 2s ² , 2p⁵ R = 1s² , 2s² , 2p⁶

Which atom has strong behaviour of electrovalent bond ?

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#Question id: 27465

#XL - R Botany

The first land inhabitant plants are__

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#Question id: 27466

#XL - R Botany

Which of the following is incorrect with respect to bryophytes?

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#Question id: 27467

#XL - R Botany

Which of the following is diploid in the moss plant?

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#Question id: 27468

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Which of the following are the specialized organ of sporophyte by which attached to the gametophyte?

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#Question id: 27469

#XL - R Botany

The protonema is a stage in the life cycle of___

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#Question id: 27470

#XL - R Botany

Bryophytes differ from the pteridophytes in being___