![2023 NECO GCE Geography (OBJ & Practical) Answers [13th December]](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEit60GqUzL1yU6CEh1H4FVh2SXuOwdumCPBDVGnE8lUyiEpq5sQ7C8cupUjnyxQlFKBzKnLnh66F7OzHBjil1nY6hZCdESmk_ADBxHUgxKWTvA6JMsmFE0GOCf5P3QSeWqf10azbIKOoq0/s1600/NECO.jpg "2023 NECO GCE Geography (OBJ & Practical) Answers [13th December]")
NECO GCE GEOGRAPHY (OBJECTIVE & PRACTICAL) ANSWERS 2023:
1-10: BDDCEBCC#E
11-20: DDEBECDAEE
21-30: BDCCBAADBD
31-40: ADDCBEBDDB
41-50: ACBECCADEE
51-60: BDBBCBBAAB
4a)
(PICK ANY THREE)
(i)
Changes in temperature: Climate change can result in increased
temperatures, leading to heat stress in animals. This can negatively
affect their health, reproduction, and productivity.
(ii) Changes in
precipitation: Climate change can lead to alterations in rainfall
patterns, resulting in droughts or heavy rainfall events. Both of these
extremes can have significant impacts on animal husbandry, affecting the
availability of water and forage for animals.
(iii) Increased
disease risk: Climate change can create more favorable conditions for
the spread of diseases in animals. Warmer temperatures can promote the
survival and reproduction of disease-carrying vectors, such as ticks and
mosquitoes, increasing the risk of diseases like Lyme disease or West
Nile virus.
(iv) Changes in vegetation: Climate change can alter the
composition and distribution of vegetation, which can impact animal
grazing patterns and the availability of nutritious forage. This can
result in reduced animal productivity and the need for supplemental
feeding.
(v) Changes in water resources: Climate change can affect
the availability and quality of water resources for animals. This can
impact water availability for drinking and bathing, as well as the
ability to irrigate pastures or crops for feed.
(4b)
(PICK ANY FOUR)
(i)
Implementing sustainable and climate-smart management practices, such
as rotational grazing and agroforestry, which can help sequester carbon,
improve soil health, and conserve water resources.
(ii) Improving
animal genetics and breeding programs to select for traits that are more
resilient to climate change, such as heat tolerance and disease
resistance.
(iii) Promoting efficient use of water resources through
technologies like drip irrigation systems, water recycling, and
rainwater harvesting.
(iv) Enhancing animal health management through
the development and deployment of vaccines, biosecurity measures, and
integrated pest management strategies to reduce the impact of
climate-induced diseases.
(v) Implementing proper waste management
systems to reduce emissions of greenhouse gases from livestock waste,
such as methane from manure.
(vi) Investing in research, innovation,
and technology development to develop climate-resilient animal breeds,
improve feed efficiency, and explore alternative feed sources that
mitigate the environmental impact.
(3a)
Rocks are naturally
occurring solid materials composed of minerals or mineral-like
substances. They are formed through various geological processes such as
cooling and solidification of molten materials (igneous rocks)rocks),
or metamorphism of existing rocks (metamorphic rocks).
(3b)
(i)
Mechanically Formed Sedimentary Rock: These sedimentary rocks are
formed from the accumulation and consolidation of fragments of
pre-existing rocks. The fragments, known as clasts, are transported by
various agents such as water, wind, or ice, and then deposited in
layers. Examples include sandstone, shale, and conglomerate.
(ii)
Chemically Formed Sedimentary Rock: These sedimentary rocks are formed
from the precipitation of minerals dissolved in water. When water
evaporates or becomes oversaturated with dissolved minerals, these
minerals can crystallize and form rocks. Examples of chemical rocks
include limestone, dolomite, and rock salt.
(iii) Organically Formed
Sedimentary Rock: These sedimentary rocks are formed from the
accumulation and compaction of organic remains, such as plants or animal
fossils. Over time, the organic matter undergoes chemical and physical
changes, resulting in the formation of organic rocks. Examples of
organic rocks include coal, oil shale, and chalk.
(3c)
(PICK ANY TWO)
(i) Rocks like granite, limestone, and sandstone are widely used as building and construction materials.
(ii)
Rocks such as bauxite, which is the primary source of aluminum, and
hematite is used in iron production and for manufacturing processes.
(iii) Rocks like phosphate rock and limestone are used as fertilizers to enrich soil fertility and improve crop yields.
(iv)
Precious stones and gemstones, such as diamonds, rubies, and emeralds,
are used in jewelry and decorative items, adding value and aesthetic
appeal.
(v) Rocks like particularly coal and uranium-bearing rocks, are important sources of energy.
(5a)
A
spring is a natural source of water that emerges from the ground. It is
formed when water from an underground aquifer (a layer of permeable
rock, gravel, or sand that can hold and transmit water) finds a pathway
to the surface. This can happen when the pressure in the aquifer pushes
the water upward or when the water flows downhill along a slope. Springs
can be found in various forms, such as a gentle trickle or a large
gushing flow.
(5b) DRAW THE DIAGRAM
An artesian basin is a type of aquifer that is confined between layers of impermeable rock or clay. This geological formation traps water within the basin and creates a natural pressure system. When a well is drilled into an artesian basin, the water is forced to rise to the surface without the need for a pump. This occurs because the pressure in the aquifer is higher than the atmospheric pressure, allowing the water to flow upward.
(5c)
(i) Infiltration
(ii) Fracture Flow
(iii) Porosity
(iv) Karst Topography
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