During which geological period was there an first definite evidence of land plants and algae dominant of many plants?

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#Question id: 19549

#SCPH05 I Biotechnology

The alkaline earth metal present in chlorophyll is ———–

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#Question id: 4959

#SCPH28 | Zoology

If a fossil is encased in a stratum of sedimentary rock without any strata of igneous rock (e.g., lava, volcanic ash) nearby, then it should be

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#Question id: 14123

#SCPH05 I Biotechnology

Which of the following statement is true about CATH? 

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#Question id: 9284

#SCPH05 I Biotechnology

Following are some facts regarding spatial separation of PSI and PSII. Which one would be INCORRECT?

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#Question id: 70

#SCPH06 I Botany

The dimensions of living cells are limited, on the lower end by the minimum number of biomolecules necessary for function, and on the upper end by the rate of diffusion of solutes such as oxygen. Except for highly elongated cells, they usually have lengths and diameters in the range of