ICSE /Class 8
Biology MCQ Based On Diffusion definition
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ICSE Class 8 Biology Diffusion definition
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Plants absorb nitrogen from the soil as both NH₄⁺ and NO₃⁻ ions.
pH value of Sap is above 7.
Hormones are transported same as food is transported.
The opening and closing of stomata can be regulated by guard cells. There is no opening and closing mechanism for hydathodes.
Air sac is Functional unit of lungs.
Mesophyll cells of leaves are chlorophyllous and are the site of photosynthesis.
Munch hypothesis is also called the pressure flow hypothesis.
Translocation is the conduction of materials from leaves to other tissues throughout the plant by the vascular bundles.
The ascent of sap in the xylem tissue of plants is the upward movement of water and minerals.
Guttation is the process in which liquefied water is given off from plants.
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