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Author Topic: 2015 NECO GCE BIOLOGY  (Read 739 times)

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Offline JEFFREY96

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2015 NECO GCE BIOLOGY
« on: November 17, 2015, 02:54:51 pm »



BIOLOGY OBJ:
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 1ai)
- Borgu Game Reserve
- Yankari Game Reserve

(1 aii )
(i ) Preservation of genetic variation within the species
(ii ) Preservation of species with potential benefits to
humans
(iii) Preservation of natural beauty

(1 bi)
Germination is defined as the process which involves the
gradual development of the embryo seed into seedling or
young plant

(1 bii )
- Epigeal germination
- Hypogeal germination

(1 biii )
- Water or moisture
- Warmth or suitable temperature
- Enzymes
- Viable seeds

(1ci)
TABULATE
(i)
-Hormonal is a chemical reaction.
-Nervous coordination is an electrical reaction

(ii)
-Hormonal co-ordination is slower.
-Nervous co-ordination is faster

(iii)
-Homonal has longer life span
-Nervous has shorter life span

(1cii)
-Prophase
-Metaphase
-Anaphase
-Telophase


3ai)
Gene: This is the hereditary unit which posses traits and characteristics that are transferred from parent to offspring

3aii)
Implantation: This is the process by which male gametes is injected into the ovarian follicle of the female sex organ

3aiii)
Species: This is a group of organisms that are related in certain characteristics that can make them interbreed freely among themselves

3aiv)
Saprophytes: They are organisms that rely on decaying organic matter as their nutrients

3bi)
-The mammalian skeleton gives shape to the animal
-It protects the delicate parts of the body
-It gives room for production of blood cells ie in the bone marrow

3bii)
Biceps and Triceps

3biii)
Amylase-Degrades carbonhydrate(starch) to maltose
Maltase-Degrades maltose into glucose
Sucrose-Degrades sucrose into glucose and fructose


5ai)
ecosystem refers to a community of plants and animals fucntioning together with their non-living environment.

5aii)
-Disruption to transport
-death of peple and animal
-degredation of environment
-ecomonic and commercial loss
-damage to cultural or heritage sites

5aiii)
-Stay in well-screened areas at night
-Always use a bed-net treated with insecticides.
-Use mosquito repellent.
-Seek immediate medical advice if you have the symptoms.

5bi)
TABULATE :
i )
- Aerobic require the use of oxygen to
occur
- Anaerobi does not requires use of
oxygen
ii)
- Aerobic is faster in operation
- Anaerobic is slow in operation
iii)
- Aerobic occurs in higher animals
- Anaerobic occurs in micro organisms
iv )
- Aerobic occurs in the mitochondrion
- Anaerobic occurs in the cytoplasm
5bii )
- It posses light weight bones
- Their bones are made up of air space
- They posses gills for respiration
- They posses fins for movement
- They posses scales for protection against
mechanical injuries
   
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