Neco Gce 2016 Biology Obj And Theory Answers – Nov/Dec Expo

Neco Gce 2016 Biology Obj And Theory Answers – Nov/Dec Expo

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Biology obj

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1a) oint: The area where two bones are attached for the purpose of permitting body parts to move

1bi)Arboreal animals are animals that live on trees with strong tails
-They possess strong arms
-They possess claws for good grip
-They possess sticky feet
-They possess small light ....
ii)Tapeworms possess tegument for absorbing via diffusion
-They possess hooks for absorption
-They possess sicken for attaching to hosts
-Their body are capable of absorbing digested food
-They can survive by producing a lot of eggs

1c)Mammalian blood has the ability to maintain body temperature.
ii) The red blood cells help in transporting oxygen around the body
iii)It helps in transportation of digested food


ii) ii) . A dislocation is an injury to a joint — a place where two or more of your bones come together — in which the ends of your bones are forced from their normal positions


2a)
-the mamalian blood helps to transport oxygen
to all cells in the body
-it also transports harmone from where it is
secreted to the target organs
-it helps in distributing heat uniformly to all
flight disease causing organisms eg white
blood cells
-it transports digested food in soluble form to
all parts of the body
-it helps to fight disease causing organisms
eg white blood cell


2aii

1)In Male gamete: sperm is motile while IN FEMALE GAMETE sperm is not motile
2)IN MALE GAMETE ;head is present while in FEMALE GAMETE head is not present
3)IN MALE GAMETE tail is present while in FEMALE GAMETE tail is not present

2bi)
Pollination is the transfer of pollen grains from matured anther to stigma of the same or different flower.It can be self or cross pollination.
2bii)
Fertilization is the process by which male and female gamete fuse together to form zygote which develop into embryo.
2bii)
Implantation is process by which an embryo is attached to the lining of the uterus

2ci)
Grasshopper
I)It constitute nuisance to sight
ii)it damages book

Mosquito
I)it is a vector of malaria parasite
ii)The female added transmit the virus causing yellow fever
ii)The female anlex mosquito transmit round worm which causes elephantiasis

Termite
I)It destroy wood
ii)It serve as food in some places e.g Africa


3a)drawing loading...
3b)
i)tolerance:loading


3bii)Adaptation: this is the ability of an animal to survive in a given habitat.

3c)loading

4a)conservation of natural resources is the use and save keeping of natural resources for the good of mankind to ensure their continuous availability and to preserved the original nature of the environment

4b)Coagulation (also known as clotting ) is the
process by which blood changes from a liquid
to a gel, forming a blood clot . It potentially
results in hemostasis , the cessation of blood
loss from a damaged vessel, followed by
repair. The mechanism of coagulation involves
activation, adhesion, and aggregation of
platelets along with deposition and maturation
of fibrin.
4bii)4b
Malaria
Causative - Plasmodium
Symptom - fever
Control - cover drains

Typhoid -
Causative - salmonella typhi
Symptom - continued fever
Control - personal cleanliness

Tuberculosis
Causative - mycobacterium
Symptom- fever
Control - Isolation of TB patients

Common cold
Causative - Rhinovirus
Symptom - sneezing
Control - use of hand sanitized

5a)loading

5b)
5bi)

i. auxin
ii. gibberellin

5bii)

i. insulin
ii. estrogen

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