Neco 2016 BIOLOGY (Obj And Theory) Answers – May/ July Expo Share This On Facebook

MORE ANSWERS WILL BE UPDATED ONCe WE ARE DONE WITH THE SUBSCRIBERS Pls U can use this one, is more Acurate Bio Obj; 1-10: DDAACDCCDC 11-20: BABCABEBCB 21-30: EDDAEEACEA 31-40: ACBCDAADED 41- 50: ECEBEEDAED 51- 60: AABBDADDAA Neco BIOLOGY ANSWERS (1a) (i) Morphological variation: Refers to the noticeable physical appearance of individual of the same species. (ii)Pollination: The transfer of pollen from the anthers of a flower to the stigma of the same flower or of another flower. (iii)niche: is a term that is used in ecological biology to define an organism' s role in an ecosystem. (1bi) (i)Both processes release energy (ii)Both start with the breakdown of a nutrient (glucose) (iii)Both yield byproducts (1bii) (i)draught (ii)flood (iii)pests (iv)poor storage facilities (1ci) -Pterophyta -Anthophyta -Bryophyta (1cii) -Embryo with two cotyledons -Flower parts in multiples of four or five -Roots develop from radicle -Pollen with three furrows or pores ================================ (2a) DRAW THE DIAGRAM (2bi) -They have two pairs of libs -They have naked or moist and glandular skin with no external scales -They carry out gaseous by gills,lungs,skin and mouth -Reproduction is sexual -They have poisonous gland for defence -They have three chambered heart (2bii) -Flowers are dull coloured -Absence of scent -Flower have small,incouspicious petals/sepals -Pollen grain are small smooth light and not sticky (2biii) -Possession of succullent stems by desect plant to enable them store excess water -Possession of tiny and scanty leaves to reduce water loss through transpiration -Possession of extensive root system for anchorage water absortion ================================ (3ai) Nutrition is defined as the intake of food that has all nutrients for growth and development (3aii) Mutation is defined as a change in the DNA configuration of a cell (3aiii) Gene is defined as the basic unit of inheritance.They carry characteristics or traits from parents to offspring (3b) The ray is reflected from the object into the pupil and iris.The rays travels through the cornea,lens,aqeous humour and vitreous humour and the image is formed on the retina.The image is then sent to the brain through the optic lobe of the brain Conjuctiva->Cornea->Iris&pulpil- >aqeous humour->lens->Vitreous humour->Retina->Brain (3c) TABULATE Amoeba: -They have false foot -They are parasitic -They have singular nucleus Euglena: -They have flagella -They are holozoic -They have micro and mega nucleus (3cii) -Proper sewage disposal -Proper refuse disposal -Control of disease -Protection of food ================================ (4ai) -General weakness -Headache -Sore throat -Muscle pain -Diarrhea and nausea (4b) TABULATE Living thing: -They can move -They reproduce -They grow -They respond to stimulus -They excrete Non living: -Most do not move -They do not reproduce -They do not grow -They do not respond to stimulus -They do not excrete (4c) -Large cylindrical centrum -Large neural canal -Short tranverse process -Long neural spine (4b) DRAW THE DIAGRAM KEEP REFRESHING THIS PAGE EVERY 10MINS ================================ KEEP REFRESHING ================================ U Like It? Kindly Drop Your Comments Below& Hit Share