Biology NECO ORAL HAS BEEN POSTED HERE...clic To See It

By 07:25 Tue, 25 Jun 2013 Comments


----------------------------------------------------------------------------------------------

Tuesday 25th June

Paper II: Objective & Essay - Biology 10.00 am -

12.30 pm

-----------------------------------------------------------------------------------------------------

Pls make sure u share this on facebook and twitter to help others to achieve. Too....

I promise to post todays. Biology very early if u continue to share this on facebook and twitter

.

NECO BIOLOGY

OBJECTIVE AND ESSAY

1-10: ADBBEDABEB

11-20: ABECBCEBAA

21-30: BBCEBBAABD

31-40: ABAADADEAC

41-50: CBCEACBBAB

51-60: EDCDCCAEDE

4(a)i 1 it results to continous

dehydration

2 it causes exhaustion

3 it may lead to blurred vision 4 it also leads to loss of

weight

ii 1 remoaval of meta ic waste

product from the

body

2 maintaining the balance

between water and salts in the

body

(b)i 1 erosion . 2. heavy rainfall

ii 1 international red cross

society

2 united nations childrens education fund

(UNICEF)

3 world Health orgnization

(WHO)

4 Nigerian medical association

(NMA) (C)i 1 sunlight 2.salinity 3.wind

4.temperature

ii 1it leadsto cellular differention

2 their surface area to volume

ratio is small

iii 1 olumu forest reserve in kwara

2 yankari game reserve in

bauchi state

3 Borgu game reserve in Niger

state

3(a)i Diffusion is the rapid movement of

molecules of

substances gas,or liuid from a

higher

concentration to a

lower concentration .it occurs in living orgnism

ii 1 gamates are formed/no

gamates are formed

2 involves fusion of male and

female gametes/no

fusion occur

3 zygote is formed/no zygotes

if formed

4 usually involves two

individuals/only one

organism involved

(b)i external respiration is the

exchange of gases

between

the environment and

respiratory organs of organism.

ii 1 it provides food for both

plants and animals

2 it release oxygen to the

environment

3 it serves as a building blocks for substances

4 it involves in the purification

of the atmosphere

(c) i 1.dodder 2.mushroom

3.venus sun trap

ii 1 possession of pairs of limb 2 possession of feather

3 possession of wings

4 possession of pentadacty

3(a)i Diffusion is the rapid

movement of

molecules of substances gas,or liuid from a

higher

concentration to a

lower concentration .it occurs in

living orgnism

ii 1 gamates are formed/no gamates are formed

2 involves fusion of male and

female gametes/no

fusion occur

3 zygote is formed/no zygotes

if formed 4 usually involves two

individuals/only one

organism involved

(1a) Draw and label yourself

(1bi) eyelid and cornea

(1bii)

- it brings about shortage of

blood

- it brings about disease

epidemy

-it brings about discomfort

(1ci)

- Pappus

-Tridax

-Mustard seed

(1cii)

Efferent nerve cell

Afferent nerve cell

4ai)

-excessive urine

-weakness of the body

-irregular heartbeat

4aii)

-it excretes nitrogenous waste

-it regulate water level

4bi)

-poor housing plan

-poor drainage system

4bii)

-DFID

-RED CROSS

-WORLD HEALTH ORGANIZATION

-ENVIRONMENT AGENCY

4ci)

-temperature

-high salinity

-hydrogen ion concentration

-high pressure

4cii)

-diffussion of labour gives room

for

efficient exploitation ofthe

environment

-specialization of various cell

4ciii)

-yankari game reserve

-olomu game reserve

-borgu game reserve

(2ai)Ecosystem is a unit which

involves the relationship

between plants and animals and

their relationship between them

and their environment

(2aii)

- Fire disaster brings about

distruction of soil fertility

- Its brings about death of useful

soil organisms like earthworm

-it exposes the soil todirect solar

radiations

-it enhances problem of soil

erosion

(2bi)

-Evaporation

-Condensation

-Precipitation

(2bii) Tabulate

Endocrine system: it involves

hormones in action

Nervous system: it nvolves

electrical reflexes

Endocrine system: it isslow

action

Nervous system: it is fast action

Endocrine system: it issecreted

by special organ

Nervous system: it is not

secreted but exerted

Endocrine system: transmit effect

through blood

Nervous system: transmit effects

through nerves

(2c)

Micro orgnism is an orgnism or

living component which cannot

be seen through the naked eyes

but through microscope

(2cii)

- Blood aids in transmission of

digested food substances to

where they are needed

-White blood cells (lymphocytes)

help in fighting against

infections

-Red blood cells (erythrocytes)

help in transport of oxygen

during respiration

- Blood helps in transportation of

waste products to their

excretory organs.


DOWNLOAD NOW

DOWNLOAD MUSIC





Related Article

Comment
Name




.....................

Please LOGIN or REGISTER To Gain Full Access To This Article