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Vaishali Hosea 8 years, 3 months ago

Angiosperm :- the main plant body is sporophytic and bears flowers , reduction division takes place in microsporangia... Gymnosperm:-the main plant body is sporophytic but bears 2 types of leaves - microsporophylls and megasporophylls,reduction division takes place in anthers of a stamen
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Naveen Sharma 8 years, 3 months ago

Oxygen is absorbed passively through the moist skin of the earthworm while gas diffusion takes place through the spiracles of the cockroach.

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Sweety Sheoran 8 years, 3 months ago

itosis: (1)It occur in all kind afterms. (2)It involve a single division, resulting in two daughter cells. (3)A cell can repeat mitosis almost indefinitely. (4)Cytokineses usually follows karyokinese. (5)It may occur in haploid or diploid cells. Meoisis:(1)It occur in special kind of cells. (2)It involve two successive divisions,resulting four daughter cells. (3)It take place only once. (4)Cytokineses often does not occur after meiosis -1,but occur after meiosis -2. (5)It occur in only diploid cells.
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Vandana Amol 8 years, 3 months ago

The gymnosperms are the plants in which the ovules are not enclosed by an ovary wall and remain exposed both before and after fertilisation.
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Sia ? 4 years, 6 months ago

Water potential is the difference between the free energy of water molecules in pure water and solution, whereas diffusion pressure deficit (DPD) is the difference in diffusion pressure between a solution and pure solvent. Moreover, water potential has negative value, whereas diffusion pressure deficit has positive value.
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Rishita Gupta 8 years, 3 months ago

The organisms which have both the sexes present
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Dr Pathikrt Banerjee 8 years, 3 months ago

Parallel 

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Lavanya S 8 years, 3 months ago

No it has highly concentrated HCl(pH-1-3.5)

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