VERIFIED NECO 2015 BIOLOGY ANSWER IS NOW READY. GET IT NOW.

VERIFIED NECO JUNE/JULY 2015 

EXAM DAY: TUESDAY 

SUBJECT: BIOLOGY

Answers

The 100% Correct 2015 Neco Biology Answers

BIOLOGY OBJ Type B

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11-20. BEAEABECDC

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31-40. DABDBBCCEC

41-50. CAECBAAEBC

51-60. CEBADBEDAC

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(1ai) Population can be defined as the total number of organisms of the same species living together in a given area at a particular time.

(1aii) Biotic factors

(i)  food

(ii) pathogens Abiotic factors

(i) rainfall

(ii) temperature

(1aiii) National agencies

(i)  NEMA

(ii) NMA International agencies

(i) WHO

(ii)international Red cross society

(1b) A longitudinal section of the mammalian skin

(2ai) -Parasitic plants

(i) dodder plant

(ii) Mistletoe 
-Insectivorous plants

(i) sundew

(ii) bludderwort
 -Xerophytic plants

(i) cactic 
(ii) Aloe

(2aii) Tabulate intra-specific competition

(i)Organisms of the same species are involved 
(ii)The number of species are many Inter-specific competition 
(i)Organisms of different species are involved (ii)The number of the species are not too many

(2aiii) (i)Holophytic nutrition 
(ii) parasitic nutrition 
(iii) carnivorous nutrition

(2bi) Stem tuber: (a) potato

(b) yam Root tuber : (a) cassava 
(b)carrot

(2bii) -Mitochondrion: it is where energy is released from simple sugar 
-Chlorophyll: it traps light energy from sunlight for photosynthesis 
-Contractile vacuole: it is used for excretion -Flagellum : it is used for movement 
-Ribosome: it meant for protein synthesis ----------------------- . - .

(3ai) Transpiration can be defined as removal of excess water from plants into the atmosphere in form of water vapour

(3aii) (i)The size of stomata pores 
(ii) Humidity 
(iii) temperature

(3aiii) (i)Stomata 
(ii) lenticels 
(iii) cuticle

(3bi) (i)Height of the body 
(ii) shape of the body 
(iii) fingerprint

(3bii) (i)It protects important and delicate organs of the body 
(ii)It gives support to the body 
(iii)It aids in respiration 
(iv)It gives shapes to the body 
(v)It provides place for attachment of muscles

(3biii) (i)Epigeal germination – bean 
(ii)Hypogeal germination – maize 

(4ai) Micro-nutrients: 
(i) zinc 
(ii) boron 
Macro- nutrients: (i) nitrogen 
(ii) phosphorus 
(iii) sulphur 
(4aii) (i)Neural canal 
(ii) centrum 
(4aiii) (i)It helps the plants in mineral conduction 
(ii)It helps the plants in water conduction 
(iii)It store food for plant

 (4aiv) The process of breathing in man involves two phases. These are external and internal respiration. The external respiration involves breathing in oxygen into the lungs called inhalation and breathing out of carbon(iv)oxide called exhalation. The inhalation process is as follows. The thoracic cavity increases in volume; diaphragm contracts, the sternum moves forward together with the ribs, there is an increase in the volume of thoracic cavity and air from outside is drawn into the lungs through the nose -----------------------

(5ai) (i)Cutting 
(ii) layering 
(iii) grafting 
(iv) marcothing 

(4aii) (i)Pepsin – protein 
(ii) Renin – milk

(4aiii) Phytoplanletone ==>mosquito larva ==>tilapia ==> shark 

(4bi) Tabulate Aerobic respiration 
(i)Oxygen is required 
(ii)More energy is release 
(iii)It takes place in the mitochondria 
(iv)Water is given off as by-product 

Anaerobic respiration 
(i)Oxygen is not required 
(ii)Less energy is released 
(iii)It takes in cytoplasm 
(iv)Alcohol is given of as by-product 

(4bii) (i)Carbon dioxide 
(ii) water vapour 
(4biii) (i)The liver regulates the blood sugar level 
(ii)It helps in the storage of vitamins 
(iii)It detoxifies poisonous and toxic materials

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