Science- Biology- Life Processes Set 1

oxygen ✘ temperature ✘ water in guard cells ✘ concentration of CO? in stomata ✔

water ✘ chlorophyll ✘ carbon dioxide ✘ glucose ✔

ureter ✘ urethra ✘ neurons ✘ nephrons ✔

Stomach ✘ Small intestine ✘ Large intestine ✘ Oesophagus ✔

oxygen ✘ carbon dioxide ✘ nitrogen ✘ water vapour ✔

Deoxygenated blood is poured into right atrium of heart. ✘ The excretory units of flatworms are flame cells. ✘ Human kidney has about 1 million nephridia ✘ Tracheids and vessels are non-living conducting tissues. ✔

120/80 mm of Hg ✘ 160/80 mm of Hg ✘ 120/60 mm of Hg ✘ 180/80 mm of Hg ✔

barometer ✘ sphygmomanometer ✘ photometer ✘ manometer ✔

vessels ✘ heart ✘ skeleton ✘ sinuses ✔

water ✘ urea ✘ haemoglobin ✘ acetylcholine ✔