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Test (elaborations) Life Sciences (Biology)
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this is a pratise test with questions and answers, as well as clear explanation of the answers , there are also a little bit of notes .
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Practice test 1Section 1[multiple-choice Questions]
Time: 1 hour
MARKS[108]
Four questions
Section A
Directions: the following statements or questions are followed by possible
answers .Choose the suitable answer.
Question 1
1.1 in which phase does DNA replication take place?
A metaphase
B prophase
C telophase
D interphase [2]
1.2 the chamber of the heart that pumps deoxygenated blood to the lungs via the
pulmonary artery is the ….
A right atrium
B left ventricle
C right ventricle
D left atrium [2]
1.3 which one of the following is a meristematic tissue ?
A epidermis
B cambium
C parenchyma
D sclerenchyma
1.4 striated muscle tissue is found [2]
A in the walls of the heart
B in voluntary muscles
C lining the blood vessels
D lining the intestine walls [2]
1.5 the following elements are found in some organic compounds
I. hydrogen
II. nitrogen
III. oxygen
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, IV. carbon
Which of the above elements are found in proteins but not in carbohydrates and lipids? [2]
A [I], [II], [III] only C [i] and [iii] only
B [i] only D [ii] only
1.2 Give the correct biological term for each of the following descriptions. Write only the
term next to the question number
1.2.1 Part of the skeleton made up of the skull, vertebral column, ribs and sternum
1.2.2 Unicellular epidermal outgrowths that increase the absorption surface of the
root
1.2.3 The triangular bone that forms the shoulder blade
1.2.4 Openings in the lower epidermis, responsible for gaseous exchange
1.2.5 An organelle within the cell where proteins are synthesised
1.2.6 The apparatus that is used to investigate the effect of environmental factors on
the rate of transpiration
1.2.7 The part of the skull that contains and protects the brain
1.2.8 The membrane system in a cell on which ribosomes sometimes occur
1.2.9 A type of involuntary muscle found only in the heart
1.2.10 the membrane around a vacuole [20] [2 marks each]
1.3 indicate whether each of the descriptions in column I A ONLY .B ONLY .BOTH A AND BOR
NONE of the items in column II. Write an ONLY, B ONLY, BOTH A AND B, OR NONE next to
the question number.
Column I Column II
1.3.1 a bone of the pectoral girdle A pubis
B scapula
1.3.2 a movable joint A hinge
B gliding
1.3.3 joins bone to bone A ligaments
B tendons
1.3.4 contraction of the heart muscles A systole
B diastole
1.3.5 source of reserve energy A vitamins
B fats
1.3.6 site of protein synthesis A ribosomes
B lysosomes
1.3.7 found between the right atrium and A bicuspid valve
the right ventricle B tricuspid valve
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