Summary 100% 2014 WAEC GCE BIOLOGY (PRATICAL) (1a) A- Bird B- snake C- Earthworm D- Grasshoper (1bi) F- pooter G- Butterfly net/Insect net H- Rainguage (1bii) Specimen G- Butterfly net (1biii) By holding the handle and swinging it towards the direction of the flying organism (1c) i. it stimulates the microbial activity of the soil ii. it improves water holding capacity of the soil iii. it provide channel for root growth of the plant (1d) i. Compound eye to detect the predator on sight ii. strong hind and fore limbs for movement (1e) The leaves will rust and decompose, it add nutrients to the soil (1f) E->D->B->A (2ai) Formation of image on the retina (2aii) II - Image III - Vitreous Humor Iv- lens v- object (2bi) Light rays from the object V pass through the conjuctiva, cornea, aquous humor,lens and vitreous humor to the retina. The image II of the object formed on the retina is inverted and smaller than the object V (2bii) In dim light the pupil dilate allowing more light raays to enter the eye but in bright light the iris contract allowing the pupil to contract to reduce amount of light rays reaching the retina (2ci) Accomodation is defined as the ability of the eye to focus object on the retina (2cii) i. Long sightedness ii. short sightedness iii. Night blindness (2ciii) i. use clean water to wash face always ii. use a clean handkerchief for cleaning of the eyes iii. use antibistic eye drops incase it is inflamed or reddish iv. avoid rubbing the eyes with dirty fingers v. consult a doctor incase of eyes infections (4bi) Plasmodium (4bii) kingdom: Animalia Phylum: Protozoan (4biii) i. plasmodium is responsible for malaria through the carrier of particular species of moquito called Anopheles ii. infected person by plasmodium will demostrate high temperature and if untreated the person will suffer sevier anemia and oxygen deficiency (4biv) i. by cutting of nearby bushes and destroying mosquito breeding places ii. Using of insecticides iii.fumigation of the environment
Posted on: Mon, 15 Sep 2014 15:27:15 +0000
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