GCE 2018 BIOLOGY Answer Obj and Essay – Verified GCE questions and answers, expo runz for real on Biology practical alternative, GCE biology objective, GCE biology theory/essay and above all past questions on all upcoming GCE exams.

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GCE 2018 BIOLOGY Answer Obj and Essay

VERIFIED 2018 BIOLOGY THEORY QUESTIONS

Biology OBJ:
1-10 BBEADBEEEC
11-20 DADBDCDDDB
21-30 ADECBDADEC
31-40 DADAAAACBA
41-50 BCEABCECDD
51-60 EABBDDCCBB

Biology Theory – GCE 2018 BIOLOGY Answer Obj and Essay

1a)
I. Plants need sunlight for the process of photosynthesis.
ii. Plants use chlorophyll and light to make food.

1b)
i.humerus
ii.radius
iii.ulna
iv.the ball and socket shoulder joint
v. Scapula

1d.An ecosystem includes all of the living things (plants, animals and organisms) in a given area, interacting with each other, and also with their non-living environments (weather, earth, sun, soil, climate, atmosphere). ..
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(2ai)
Gene can be defined as the basic unit of iheritance which carries hereditary factors or materials such DNA. It is found in the chromosone of all cells

(2aii)
Implantation refers specifically to the attachment of the fertilized egg to the uterine lining, which occurs approximately 6 or 7 days after conception (fertilization).

(2aiii)
Group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.

(2aiv)
A saprophytes are organism which feeds on dead decayed organic matter.

GCE 2018 BIOLOGY Answer Obj and Essay

(2bi)

(i)It gives support and shape to the body
(ii) It helps in the production of white blood cells
(iii) It aids free movements
(iv) It helps in the attachment of muscles

(2bii)
(i) Biceps
(ii) Triceps

(2biii)
(i) Lipase
(ii) Maltase
(iii) Amylase

FUNCTION:
-Lipase breaks down dietary fats into smaller molecules called fatty acids and glycerol.
-Maltase converts maltose to glucose
-Amylase converts starch to maltose
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(3a)
(i) Diabetes modditues
(ii) Gell stone
(iii) infective hepatitis
(iv) cancer of the Liver

(3aii)
TABULATE:
Under Plant cell
(i) presence of cell wall
(ii) presence of chloroplast
(iii) Presence of sparse cytoplasm
(iv) presence of small vacuole
(v) Absence of centrosome

Under Animal cell
(i) Absence of cell wall
(ii) Absence of chloroplasts
(iii) Presence of dense cytoplasm
(iv) Presence of small vacuole
(v) Presence of Centrosome

(3b) DRAW THE DIAGRAM

(3ci)
(i) Parenchyma
(ii) Collenchyma

(3cii)
(i) it ensure fertilization takes place intenolsy
(ii) the released the eggs and despite on the egg as they move down the widuct

GCE 2018 BIOLOGY Answer Obj and Essay

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(4ai)
Diffusion is the movement of (molecules atoms ions) from a region in which they are in higher concentration until an equilibrium is established
(4ai)
Osmosis this is a spontaneous movement of water molecules through a semi-permeable membrane into a region of higher solute concentration
(4aii)
Plasmolysis this is a shrinking away of protoplam linear from a cell wall of a paintor bacterium due to water loss from osmosis

(4b)
(i) lack of sleep
(ii) lack of privacy
(iii) poor hygiene
(iv) lost if physical contact
4bii) conservation of wild life are;
Indiscriminate killing of wildlife should be discouraged
Deforestation which destroy the habitat of animal should be discouraged
Killing of young developing animals should be allow

GCE 2018 BIOLOGY Answer Obj and Essay