general unit 4 science revision 2.0 / 5 based on 2 ratings ? ScienceBiologyGCSEOCR Created by: tom rickardCreated on: 21-04-13 15:06 what process in plants never stops? respiration 1 of 32 what does respiration get from glucose? energy 2 of 32 which cell layer in a leaf is most transparent? upper epidermis 3 of 32 which layer contains most chloroplasts? palisade 4 of 32 how are chloroplasts arranged in the leaf cells? vertically 5 of 32 what shape are mesophyll cells? irregular 6 of 32 what is the name given to a cell FULL of water? turgid 7 of 32 what is the name given to a cell LACKING water? plasmalysed 8 of 32 other than water, what do the xylem carry? minerals 9 of 32 which direction do solutions flow in the Phloem? both 10 of 32 which direction do solutions flow in the Xylem? up 11 of 32 what part of the vascular bundle contains lignin? xylem 12 of 32 group 1 elements are know as... alkali metals 13 of 32 group 7 elements are known as... halogen metals 14 of 32 what is more reactive; hydrogen or francium? francium 15 of 32 where are the more reactive group 7 elements located in group 7? top 16 of 32 2 Metal + 2 H2O => 2 Metal OH + ??? H2 17 of 32 more shells means the atom will be ....... more reactive 18 of 32 endothermic reactions mean bonds are... broken 19 of 32 sharing electrons is known as a .... bond covalent 20 of 32 which ions don't move? positive 21 of 32 what colours are earth wires? ... and ... yellow and green 22 of 32 what is the charge in a neutral wire? neutral 23 of 32 what type of current is in a live wire? alternating 24 of 32 ultra sound uses ... waves longitudinal 25 of 32 gamma rays use ... waves transverse 26 of 32 x-rays use ... waves transverse 27 of 32 what is the process given to nuclear splitting? fission 28 of 32 what decay type makes no difference to the atomic mass? beta 29 of 32 what decay type makes +1 difference to the atomic number? beta 30 of 32 what decay emits rays? gamma 31 of 32 how many protons are there in alpha decay? two 32 of 32
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